Hanbit DOM44S3R272 44pin flash disk module min.16mb ~ max.512mb, true ide interface Datasheet

HANBit
HFDOM44S3Rxxx
44Pin Flash Disk Module Min.16MB ~ Max.512MB,
True IDE Interface
1. PRODUCT OVERVIEW
GENERAL DESCRIPTION
The HFDOM44S3Rxxx series 44Pin Flash Disk Module is a flash technology based with True IDE interface flash
memory card. It is constructed with flash disk controller chip and NAND-type (Samsung) flash memory device. The
HFDOM44S3R-xxx series operates in both 3.3-Volt and 5.0-Volt power supplies. It comes in capacity of 16, 32, 48, 64, 80,
96, 128, 144, 160, 192, 208, 224, 256, 272,288, 320, 384 and up to 512MByte formatted 44Pin type .
By optimizing flash memory management, the life of this HFDOM44S3Rxxx series can be extended to its maximum level.
Because the ECC function is included, the correctness of data transfer between the HFDOM44S3Rxxx series and a True
IDE compatible interface device can be guaranteed.
The HFDOM44S3Rxxx series is fully compatible with applications such as CPU card / board, set top box, industry /
military PC / Notebook, security equipment, measuring instrument and embedded systems.
FEATURES
-
ATA / True IDE compatible host interface
ATA command set compatible
Automatic sensing of PC Card ATA or true IDE host interface.
Very high performance, very low power consumption
Automatic error correction
Auto Standby to save power consumption.
Supports power down commands and sleep modes.
Integrated PCMCIA attribute memory of 256 bytes (CIS)
Support for 8 or 16 bit host transfers
3.3V/5.0V operation voltage
Host Interface bus width : 8/16 bit Access
Flash Interface bus width : 8 bit Access
Capacity : Min. 16MB ~ Max. 512MB
MTBF > 1,000,000 hours.
Minimum 10,000 insertions.
Shock : 2,000 G max.
Vibration : 15 G peak to peak max.
PRODUCT SPECIFICATIONS
Capacities :
16, 32, 48, 64, 80, 96, 128, 144, 160, 192, 208, 224, 256, 272,288, 320, 384 and up to 512MB (formatted)
System Compatibility :
Please refer to the compatibility list of index.
Performance :
Host Data Transfer Rates :
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up to 16.6 MB/sec, PIO mode 4; 16.6MB/sec
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HFDOM44S3Rxxx
Operating Voltage :
3.3V / 5.0V
10%
Power consumption : 3.3V ± 5%
Read mode
<30 mA
Write mode
<56 mA
Stop mode
<2 mA
Environment conditions :
Operating temperature
0°C to + 70°C
Storage temperature
- °C to + °C
Relative humidity
8% to 95%, non-condensing
ELECTRICAL SPECIFICATIONS
Table 1.1 Absolute Maximum Ratings
Symbol
VDD
VIN
VOUT
TSTG
Parameter
Power supply
Input voltage
Output voltage
Storage temperature
Rating
-0.3 to 3.6
-0.3 to VDD+0.3
-0.3 to VDD+0.3
Units
V
V
V
o
C
-55 to 150
Table 1.2 Recommended Operating Conditions
Symbol
VDD
VIN
TOPR
Parameter
Power supply
Input voltage
Operating temperature
Min.
3.0
-0.3
0
Max.
3.6
VDD+0.3
70
Units
V
V
o
C
Table 1.3 DC Characteristics
Sym.
VIL
VIH
VIL
VIH
VOL
VOH
RI
Parameter
Input low voltage
Input high voltage
Schmitt input low voltage
Schmitt input high voltage
Output low voltage
Output high voltage
Input pull up/down resistance
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Min
Typ
Max
0.2VDD
Units
V
V
V
V
0.2
0.9
2.5
0.4
Vcc – 0.8
75
2 / 30
V
V
kΩ
HANBit Electronics Co., Ltd.
HANBit
HFDOM44S3Rxxx
PHYSYCAL SPECIFICATION
Slide Switch
Master
Slave
1,2
2,3
Close
Close
3
30.5±0.3
2
1
2
1
1.7±0.08mm
42.9±0.1mm
48.4±0.1mm
52.5±0.3mm
< View from connector side >
6.3±0.2mm
4.4±0.2mm
< View from Right side >
44 pin Type Flash Disk Module Dimensions
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INSTALLTION GUIDE
1) Setting Method
①
Make sure your computer is turned off before you open the case.
②
Plug the carefully into the 44pin IDE slot on your computer.
Caution: Make sure to align pin1 on host adapter interface connector with pin 1 on your Flash Disk Module. Pin 1
is indicated by a triangle on the Flash Disk Module connector.
③
The Flash Disk Module is used power connector cable of the computer.
Caution: If you need to remove your Flash Disk Module, use both hands to pull it out carefully.
④
Check all cable connections and then replace your computer cover.
2) BIOS setting Method
Before you format or partition your new drive, you must configure your computer's BIOS so that the computer can
recognize your new drive.
①
Turn your computer on. As your computer start up, watch the screen for a message describing how to run the
system setup program on the screen (sometimes called BIOS or CMOS setup). This is usually done by pressing a
special key, such as Delete, Esc or F1 during startup. See your computer manual for details. Press the appropriate
key to run the system setup program.
②
If your BIOS provides automatic drive detection (an "AUTO" drive type), select this option. ( We
recommend to use Normal / CHS mode to partition your Flash Disk Module to get the maximum formatted
capacity. )
This allows your computer to configure itself automatically for your new drive.
If your BIOS dose not provide “AUTO” drive detection, select "User-defined" drive setting and enter the
CHS values from the table. BIOS Settings (see specification) Capacity Cylinders Heads Sectors(unformatted)
③
Save the settings and exit the System Setup program. ( your computer will automatically reboot ) After you
configure your computer, you can use the standard DOS commands to partition and format your Flash Disk Module,
as described below.
3) Formatting Method
To partition your new Flash Disk Module with Microsoft DOS program :
①
Insert a bootable DOS diskette into your diskette drive and restart your computer.
②
Insert a DOS program diskette that contains the FDISK.EXE and FORMAT.COM
programs into your diskette drive. Use the same DOS version that is on your bootable diskette. At the A:\ > prompt,
type “FDISK” and press Enter.
③
Select “Create DOS partition or logical DOS drive” by pressing 1. Then press Enter.
④
Select “Create primary DOS partition” by pressing 1 again. Then press Enter.
Create your first drive partition. If you are creating a partition that will be used to boot your computer (drive C),
make sure that the partition is marked active.
⑤
Create an extended partition and additional logical drives as necessary, until all the space on your new hard drive
has been partitioned.
⑥
When the partitioning is complete, FDISK reboots your computer.
Caution: Make sure to use the correct drive letters so that you do not format a drive that already contains data.
⑦
At the A:\ > prompt, type “format c:/s”, where c is the letter of your first new partition, Repeat the format process
for all the new partitions you have created.
⑧
After you format your drive, it is ready to use.
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HFDOM44S3Rxxx
2. PIN INFORMATION
PIN ASSIGNMENTS AND PIN TYPE
Table 2.1 Pin Assignment and Pin type
Pin
IDE
Signal
Pin Type
Pin
IDE
Signal
Pin Type
1
/RESET
I
2
GND
Ground
3
D07
I/O
4
D08
I/O
5
D06
I/O
6
D09
I/O
7
D05
I/O
8
D10
I/O
9
D04
I/O
10
D11
I/O
11
D03
I/O
12
D12
I/O
13
D02
I/O
14
D13
I/O
15
D01
I/O
16
D14
I/O
17
D00
I/O
18
D15
I/O
19
GND
DC
20
NC
--
21
NC
--
22
GND
Ground
23
/IOW
I
24
GND
Ground
25
/IOR
I
26
GND
Ground
27
IORDY
O
28
NC
--
29
NC
--
30
GND
Ground
31
IRQ
O
32
/IOIS16
O
33
A01
I
34
/PDIAG
I/O
35
A00
I
36
A02
I
37
/CS0
I
38
/CS1
I
39
/DASP(LED)
I/O
40
GND
Ground
41
VCC
Power
42
VCC
Power
43
GND
Ground
44
NC
--
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HFDOM44S3Rxxx
Signal Descriptions
Table 2.2 Signal Descriptions
Signal Name
Dir.
Pin
I
33,35,36
-PDIAG
I/O
34
-DASP
I/O
39
I
37,38
A[2:0]
-CS0, -CS1
3,4,5,6,
Description
In True IDE Mode only A[2:0] are used to select the one of eight registers in
the Task File, the remaining address lines should be grounded by the host.
This input / output is the Pass Diagnostic signal in the Master / Slave
handshake protocol.
In the True IDE Mode, this input/output is the Disk Active/Slave
Present signal in the Master/Slave handshake protocol.
CS0 is the chip select for the task file registers while CS2 is used to select
the Alternate Status Register and the Device Control Register.
All Task File operations occur in byte mode on the low order bus D00-D07
while all data transfers are 16 bit using D00-D15.
7,8,9,10,
D[15:00]
I/O
11,12,13,
14,15,16,
17,18
2,19,22,
GND
--
Ground.
24,26,
30,40,43
-IOR
I
25
This is an I/O Read strobe generated by the host.
-IOW
I
23
The I/O Write strobe pulse is used to clock I/O data on the Card Data bus
into the Storage Card controller registers when the Storage Card is
configured to use the I/O interface. The clocking will occur on the negative to
positive edge of the signal (trailing edge).
IRQ
O
31
In True IDE Mode signal is the active high Interrupt Request to the host.
-RESET
I
1
This input pin is the active low hardware reset from the host.
IORDY
O
27
This output signal may be used as IORDY.
-IOIS16
O
32
Power
41,42
This output signal is asserted low when this device is expecting a word data
transfer cycle.
Power
VCC
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HFDOM44S3Rxxx
BLOCK DIAGRAM
PCMCIA
ATA
Interface
HOST
Interface
Buffer
Management
and Control
ATA
Interface
ECC
Circuit
8032
MICOM
NAND
FLASH
NAND
DEVICE
FLASH
NAND
DEVICE
FLASH
NAND
DEVICE
FLASH
DEVICE
Flash
Sequencer
and
Control
Logic
RAM
ROM Code
Figure 2.1 Block Diagram
3. INTERFACE BUS TIMING
ACCESS SPCIFICATIONS
1 System clock timing
Sym.
Tc
Tlpd
Thpd
Description
Clock cycle time
Clock low pulse duration
Clock high pulse duration
Min.
45
0.4Tc
0.4Tc
Tlpd
Typ.
50
Max.
100
0.6Tc
0.6Tc
Unit
ns
ns
ns
Thpd
Tc
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HFDOM44S3Rxxx
2 Host Read/Write timing
Sym.
Td
Th(R)
Ts(W)
Th(W)
Description
HD bus asserted from HIOR# / HOE#
HD hold time after HIOR# / HOE#
HD set up time of HIOW# / HWE#
HD hold time of HIOW# / HWE#
Min.
Typ.
40
10
5
Max.
10
70
Unit
ns
ns
ns
ns
CE[2:1]
HA
HA Valid
Th
Td
(R)
HIOR#/HOE#
Read HD Valid
HIOW#/
HWE#
Ts
Th
(W)
(W)
HD write
3 Flash Read/Write timing
Sym.
Tc(F)
Ts(FW)
Th(FW)
Ts(FR)
Th(FR)
Description
Flash Read / Write cycle time
FD set up time of FWE#
FD hold time of FWE#
FD set up time of FRD#
FD hold time of FRD#
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Min.
80
40
10
5
8 / 30
Typ.
100
Max.
Unit
ns
ns
ns
ns
ns
HANBit Electronics Co., Ltd.
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HFDOM44S3Rxxx
REGISTERS
1) Data Register (Address – 1F0h[170h];Offset 0,8,9)
The Data Register is a 16-bit register, and it is used to transfer data blocks between the
CompactFlash Storage Card data buffer and the Host. This register overlaps the Error Register.The table below
describes the combinations of data register access and is provided to assist in understanding the overlapped Data
Register and Error/Feature Register rather than to attempt to define general PCMCIA word and byte access modes
and operations. See the PCMCIA PC Card Standard Release 2.0 for definitions of the Card Accessing Modes for
I/O and Memory cycles.
Note: Because of the overlapped registers, access to the 1F1h, 171h or offset 1 are not defined for word (-CE2 = 0
and -CE1 = 0) operations. These accesses are treated as accesses to the Word Data
Register. The duplicated registers at offsets 8, 9 and Dh have no restrictions on the operations that
can be performed by the socket.
Data Register Access
DATA Register
CE2-
CE1-
A0
Offset
0
0
X
0,8,9
D15-D0
1
0
0
0,8
D7-D0
Odd Data Register
1
0
1
9
D7-D0
Odd Data Register
0
1
X
8,9
D15-D8
Error/Feature Register
1
0
1
1,Dh
D7-D0
Error/Feature Register
0
1
X
1
D15-D8
Error/Feature Register
0
0
X
Dh
D15-D8
Word Data Register
Even Data Register
Data Bus
2) Error Register (Address – 1F1h[171h];Offset 1,0Dh Read Only)
This register contains additional information about the source of an error when an error is
indicated in bit 0 of the Status register. The bits are defined as follows:
D7
D6
D5
D4
D3
D2
D1
D0
BBK
UNC
0
IDNF
0
ABRT
0
AMNF
Error Register
This register is also accessed on data bits D15-D8 during a write operation to offset 0 with -CE2 low and -CE1 high.
Bit 7 (BBK): this bit is set when a Bad Block is detected.
Bit 6 (UNC): this bit is set when an Uncorrectable Error is encountered.
Bit 5: this bit is 0.
Bit 4 (IDNF): the requested sector ID is not valid error or cannot be found.
Bit 3: this bit is 0.
Bit 2 (Abort) This bit is set if the command has been aborted because of a CompactFlash
Storage Card status condition: (Not Ready, Write Fault, etc.) or when an invalid command
has been issued.
Bit 1 This bit is 0.
Bit 0 (AMNF) This bit is set in case of a general error happened.
3) Feature Register(Address – 1F1h[171h];Offset 1,0Dh Writer Only)
This register provides information regarding features of the CompactFlash Storage Card that the host can utilize.
This register is also accessed on data bits D15-D8 during a write operation to Offset 0 with -CE2 low and -CE1 high.
BIT DESCRIPTION7
6
5
4
3
2
1
0
Command specific
4) Sector Count Register(Address – 1F2h[172h];Offset 2)
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This register contains the numbers of sectors of data requested to be transferred on a read or
write operation between the host and the CompactFlash Storage Card. If the value in this register is zero, a count
of 256 sectors is specified. If the command was successful, this register is zero at command completion. If not
successfully completed, the register contains the number of sectors that need to be transferred in order to
complete the request.
BIT DESCRIPTION7
6
5
4
3
2
1
0
Sector Count
5) Sector Number (LBA 7-0) Register(Address–1F3h[173h];Offset 3)
This register contains the starting sector number or bits 7-0 of the Logical Block Address (LBA)
for any CompactFlash Storage Card data access for the subsequent command.
BIT DESCRIPTION - CHS
7
6
5
4
3
2
1
0
2
1
0
Sector (7: 0)
LBA
7
6
5
4
3
LBA (7 : 0)
6) Cylinder Low (LBA 15-8 )Register (Address–1F4h[174h];Offset 4)
This register contains the low order 8 bits of the starting cylinder address or bits 15-8 of the
Logical Block Address.
DIT DESCRIPTIONCHS
7
6
5
4
3
2
1
0
2
1
0
Cylinder ( 7: 0 )
LBA
7
6
5
4
3
LBA ( 15 : 8 )
7) Cylinder High(LBA 23–16)Register(Address–1F5h[175h]; Offset 6)
This register contains the high order bits of the starting cylinder address or bits 23-16 of the
Logical Block Address.
BIT DESCRIPTIONCHS
7
6
5
4
3
2
1
0
2
1
0
Cylinder ( 15 :8 )
LBA
7
6
5
4
3
LBA ( 23 : 16 )
8) Status/Alternate Status Register(Address 1F7h[177h]/3F6h[376h];Offset 7/ Eh)
These registers return the CompactFlash Storage Card status when read by the host. Reading
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the Status register does clear a pending interrupt, while reading the Alternate Status register does not. The status
bits are described as follows:
D7
D6
D5
D4
D3
D2
D1
D0
BUSY
RDY
DWF
DSC
DRQ
CORR
0
ERR
Status & Alternate Status Register
Bit 7 (BUSY): the busy bit is set when the CompactFlash Storage Card has access to the
command buffer and registers and the host is locked out from accessing the command
register and buffer. No other bits in this register are valid when this bit is set to a 1.
Bit 6 (DRDY): DRDY indicates whether the device is capable of performing CompactFlash Storage Card
operations. This bit is cleared at power up and remains cleared until the CompactFlash Storage Card is ready to
accept a command.
Bit 5 (DWF): This bit, if set, indicates a write fault has occurred.
Bit 4 (DSC): This bit is set when the CompactFlash Storage Card is ready.
Bit 3 (DRQ): The Data Request is set when the CompactFlash Storage Card requires the
information to be transferred either to or from the host through the Data register.
Bit 2 (CORR): This bit is set when a Correctable data error has been encountered and the data has been corrected.
This condition does not terminate a multi-sector read operation.
Bit 1 (IDX): This bit is always set to 0.
Bit 0 (ERR): This bit is set when the previous command has ended in some type of error. The bits in the Error
register contain additional information describing the error. It is recommended
that media access commands (such as Read Sectors and Write Sectors) that end with an
error condition should have the address of the first sector in error in the command block
registers.
9) Device Control Register( Address – 3F6h[376h]; Offset Eh)
This register is used to control the CompactFlash Storage Card interrupt request and to issue an ATA soft reset to
the card. This register can be written even if the device is BUSY. The bits are defined as follows:
D&
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
1
SW Rst
-IEn
0
Device Control Register
Bit 7: this bit is an X (don’t care).
Bit 6: this bit is an X (don’t care).
Bit 5: this bit is an X (don’t care).
Bit 4: this bit is an X (don’t care).
Bit 3: this bit is ignored by the CompactFlash Storage Card.
Bit 2 (SW Rst): this bit is set to 1 in order to force the CompactFlash Storage Card to perform an AT Disk
controller Soft Reset operation. This does not change the PCMCIA Card
Configuration Registers (4.3.2 to 4.3.5) as a hardware Reset does. The Card remains in
Reset until this bit is reset to ‘0.’
Bit 1 (-IEn): the Interrupt Enable bit enables interrupts when the bit is 0. When the bit is 1,
The interrupts from the CompactFlash Storage Card are disabled. This bit also controls the Int bit in the
Configuration and Status Register. This bit is set to 0 at power on and Reset.
Bit 0: this bit is ignored by the CompactFlash Storage Card.
10) Card (Drive) Address Register(Address 3F7h[377h]; Offset Fh)
This register is provided for compatibility with the AT disk drive interface. It is recommended that this register not
be mapped into the host’s I/O space because of potential conflicts on Bit 7. The bits are defined as follows:
D7
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D6
D5
D4
D3
11 / 30
D2
D1
D0
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HFDOM44S3Rxxx
X
-WTG
-HS3
-HS2
-HS1
-HS0
-nDS1
-nDS0
Card (Drive) Address Register
Bit 7: this bit is in High Imoedence..
Implementation Note:
Conflicts may occur on the host data bus when this bit is provided by a Floppy Disk Controller
operating at the same addresses as the CompactFlash Storage Card. Following are some
possible solutions to this problem for the PCMCIA implementation:
1) Locate the CompactFlash Storage Card at a non-conflicting address, i.e. Secondary
address (377) or in an independently decoded Address Space when a Floppy Disk Controller
is located at the Primary addresses.
2) Do not install a Floppy and a CompactFlash Storage Card in the system at the same time.
3) Implement a socket adapter, which can be programmed to (conditionally) tri-state D7 of I/0
address 3F7h/377h when a Compact Flash Storage Card is installed and conversely to tri-state
D6-D0 of I/O address 3F7h/377h when a floppy controller is installed.
4) Do not use the CompactFlash Storage Card’s Drive Address register. This may be
accomplished by either a) If possible, program the host adapter to enable only I/O addresses
1F0h-1F7h, 3F6h (or 170h-177h, 176h) to the CompactFlash Storage Card or b) if provided
use an additional Primary / Secondary configuration in the CompactFlash Storage Card
which does not respond to accesses to I/O locations 3F7h and 377h. With either of these
implementations, the host software must not attempt to use information in the Drive Address
Register.
Bit 6 (-WTG): this bit is 0 when a write operation is in progress, otherwise, it is 1.
Bit 5 (-HS3): this bit is the negation of bit 3 in the Drive/Head register.
Bit 4 (-HS2): this bit is the negation of bit 2 in the Drive/Head register.
Bit 3 (-HS1): this bit is the negation of bit 1 in the Drive/Head register.
Bit 2 (-HS0): this bit is the negation of bit 0 in the Drive/Head register.
Bit 1 (-nDS1): this bit is 0 when drive 1 is active and selected.
Bit 0 (-nDS0): this bit is 0 when the drive 0 is active and selected.
4. ATA COMMAND
CF-ATA Command Set
Table summarizes the CF-ATA command set with the paragraphs that follow describing the
individual commands and the task file for each.
Table:CF-ATA Command Set
Class
COMMAND
Code
SC
SN
CY
DH
LBA
-
-
-
-
D
-
1
Check Power Mode
1
Execute Drive Diagnostic 90h
-
-
-
-
D
-
2
Format Track
50h
-
Y
-
Y
Y
Y
1
Identify Drive
ECh
-
-
-
-
D
-
1
Idle
E3h or 97h
-
Y
-
-
D
-
1
Idel Immediate
E1h or 95h
-
-
-
-
D
-
1
Initialize Drive Parameters 91h
-
Y
-
-
Y
-
1
Read Buffer
E4h
-
-
-
-
D
-
1
Read Long Sector
22h or 23h
-
-
Y
Y
Y
Y
1
Read Multiple
C4h
-
Y
Y
Y
Y
Y
1
Read Sector(s)
20h or 21h
-
Y
Y
Y
Y
Y
1
Read Verify Sector(s)
40h or 41h
-
Y
Y
Y
Y
Y
1
Recalibrate
1Xh
-
-
-
-
D
-
1
Request Sence
03h
-
-
-
-
D
-
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FR
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HFDOM44S3Rxxx
1
Seek
7Xh
-
-
Y
Y
Y
Y
1
Set Features
EFh
Y
-
-
-
D
-
1
Set Multiple Mode
C6h
-
Y
-
-
D
-
1
Set Sleep Mode
E6h or 99h
-
-
-
-
D
-
1
Stand By
E2h or 96h
-
-
-
-
D
-
1
Stand By Immediate
E0h or 94h
-
-
-
-
D
-
1
Translate Sector
87h
-
Y
Y
Y
Y
Y
1
Wear Level
F5h
-
-
-
-
Y
-
2
Write Buffer
E8h
-
-
-
--
D
-
2
Write Long Sector
32h or 33h
-
-
Y
Y
Y
Y
3
Write Multiple
C5h
-
Y
Y
Y
Y
Y
3
WriteMultiple w/o Erase
CDh
-
Y
Y
Y
Y
Y
2
Write Sector(s)
30h or 31h
-
Y
Y
Y
Y
Y
2
Write Sector(s) w/o Erase 38h
-
Y
Y
Y
Y
Y
3
Write Verify
-
Y
Y
Y
Y
Y
3Ch
Definitions:
--FR = Features Register
--SC = Sector Count Register
--SN = Sector Number Register
--CY = Cylinder Registers
--DH = Card/Drive/Head Register
--LBA = Logical Block Address Mode Supported (see command descriptions for use).
--Y - The register contains a valid parameter for this command. For the Drive/Head Register Y
means both the CompactFlash Storage Card and head parameters are used; D - only the CompactFlash
Storage Card parameter is valid and not the head parameter.
Check Power Mode – 98h or E5h
Bit->
7
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
98h or E5h
X
Drive
X
Cly High(5)
X
Cly Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Check Power Mode
This command checks the power mode. f the CompactFlash Storage Card is in, going to, or recovering
from the sleep mode, the CompactFlash Storage Card sets BSY, sets the Sector Count Register to 00h,
clears BSY and generates an interrupt. If the CompactFlash Storage Card is in Idle mode, the
CompactFlash Storage Card sets BSY, sets the Sector Count Register to FFh, clears BSY and
generates an interrupt.
Execute Drive Diagnostic – 90h
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HANBit Electronics Co., Ltd.
HANBit
HFDOM44S3Rxxx
Bit->
7
6
5
4
Command(7)
3
2
1
0
90h
C/D/H(6)
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Execute Drive Diagnostic
This command performs the internal diagnostic tests implemented by the CompactFlash Storage Card.
If in PCMCIA configuration this command runs only on the CompactFlash Storage Card which is addressed by the
Drive/Head register when the diagnostic command is issued. This is because PCMCIA card interface does not
allows for direct inter-drive communication (such as the ATA PDIAG and DASP signals). If in True IDE Mode the
Drive bit is ignored and the diagnostic command is executed by both the Master and the Slave with the Master
responding with status for both devices.
The Diagnostic codes shown in Table 39 are returned in the Error Register at the end of the command.
Diagnostic Codes
Code
ERROR TYPE
01h
No Error Detected
02h
Formatter Device Error
03h
Sector Buffer Error
04h
ECC Circuitry Error
05h
Controlling Microprocessor Error
8Xh
Slave Error in True IDE Mode
Erase Sector(s) – C0h
Bit->
7
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
C0h
1
LBA
1
Drive
Head(LBA 27-24)
Cyl High(5)
Cylinder High (LBA 23-16)
Cyl Low(4)
Cylinder Low (LBA 15-8)
Sec Num(3)
Sector Number (LBA 7-0 )
Sec Cnt(2)
Sector Count
Feature(1)
X
Erase Sector
This command is used to pre-erase and condition data sectors in advance of a Write without
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Erase or Write Multiple without Erase command. There is no data transfer associated with this
command but a Write Fault error status can occur.
Format Track - 50h
Bit->
7
6
5
4
Command(7)
3
2
1
0
50h
C/D/H(6)
1
LBA
1
Drive
Head(LBA 27-24)
Cyl High(5)
Cylinder High (LBA 23-16)
Cyl Low(4)
Cylinder Low (LBA 15-8)
Sec Num(3)
X (LBA 7-0 )
Sec Cnt(2)
Count (LBA mode only)
Feature(1)
X
Format Track
This command writes the desired head and cylinder of the selected drive with a vendor unique data pattern
(typically FFh or 00h).
To remain host backward compatible, the CompactFlash Storage Card expects a sector buffer of data from the
host to follow the command with the same protocol as the Write Sector(s) command although the information in the
buffer is not used by the CompactFlash Storage Card.
If LBA=1 then the number of sectors to format is taken from the SecCnt register (0=256). The use of this command
is not recommended.
Identify Drive - ECh
Bit->
7
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
ECh
X
X
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Identify Drive
The Identify Drive command enables the host to receive parameter information from the
CompactFlash Storage Card. This command has the same protocol as the Read Sector(s)
command. The parameter words in the buffer have the arrangement and meanings defined in
Table . All reserved bits or words are zero. Table 40 is the definition for each field in the
Identify Drive Information.
Table: Identify Drive Information
Word
Default
Total
Address
Value
Bytes
0
848Ah
2
General configuration – signature for the CompactFlash Storage Card
1
xxxxh
2
Default number of cylinders
2
0000h
2
Reserved
3
00xxh
2
Default number of heads
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Data Field Type Information
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HANBit Electronics Co., Ltd.
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HFDOM44S3Rxxx
4
xxxxh
2
Number of unformatted bytes per track
5
xxxxh
2
Number of unformatted bytes per sector
6
xxxxh
2
Default number of sectors per track
7-8
xxxxh
4
Number of sectors per card (Word 7 = MSW , word 8 = LSW)
9
xxxxh
2
Vendor Unique
10-19
aaaa
20
Serial number in ASCII (Right Justified )
20
xxxxh
2
Buffer type
21
xxxxh
2
Buffer size in 512 byte increments
22
0004h
2
# of ECC bytes passed on Read/Write Long Commands
23-26
aaaa
8
Firmware revision in ASCII. Big Endian Byte Order in Word
27-46
aaaa
40
Model number in ASCII (Left Justified) Big Endian Byte Order in Word
47
xxxxh
2
Maximum number of sectors on Read/Write Mutliple command
48
0000h
2
Double Word not supported
49
xx00h
2
Capabilities
50
0000h
2
Reserved
51
0x00h
2
PIO data transfer cycle timing mode
52
0000h
2
DMA data transfer cycle timing mode
53
0001h
2
Translation parameters are valid
54
Xxxxh
2
Current numbers of cylinders
55
xxxxh
2
Current numbers of heads
56
xxxxh
2
Current sectors per track
57-58
xxxxh
4
Current capacity in sectors(LBAs)(Word 57 = LSW , Word 58 = MSW)
59
010xh
2
Multiple sector setting
60-61
xxxxh
4
Total number of sectors addressable in LBA Mode
62-127
0000h
138
128
xxxxh
2
Security status
129-159
0000h
64
Vendor unique bytes
160
xxxxh
2
Power requirement description
161-255
0000h
170
Reserved
Reserved
Idle – 97h or E3h
7
Bit->
Command(7)
C/D/H(6)
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Rev. 1.0 (January, 2005)
6
5
4
3
2
1
0
97h or E3h
X
Drive
16 / 30
X
HANBit Electronics Co., Ltd.
HANBit
HFDOM44S3Rxxx
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
Timer Count (5 mess increments)
Feature(1)
X
Idle
This command causes the CompactFlash Storage Card to set BSY, enter the Idle mode, clear
BSY and generate an interrupt. If the sector count is non-zero, it is interpreted as a timer count with each count
being 5 milliseconds and the automatic power down mode is enabled. If the sector count is zero, the automatic
power down mode is disabled. Note that this time base (5msec) is different from the ATA specification.
Idle Immediate – 95h or E1h
7
Bit->
6
5
Command(7)
C/D/H(6)
4
3
2
1
0
95h or E1h
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Idle Immediate
This command causes the CompactFlash Storage Card to set BSY, enter the Idle mode, clear
BSY and generate an interrupt.
Initialize Drive Parameters – 91h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
91h
X
0
X
Drive
Max Head(no. of heads-1)
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
Number of Sectors
Feature(1)
X
Initialize Drive Parameters
This command enables the host to set the number of sectors per track and the number of heads per cylinder. Only
the Sector Count and the Card/Drive/Head registers are used by this command.
Read Buffer – E4h
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7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
E4h
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Read Buffer
The Read Buffer command enables the host to read the current contents of the CompactFlash
Storage Card’s sector buffer. This command has the same protocol as the Read Sector(s) command.
Read Multiple – C4h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
C4h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
Sector Count
Feature(1)
X
Read Multiple
The Read Multiple command performs similarly to the Read Sectors command. Interrupts are not generated on
every sector, but on the transfer of a block which contains the number of sectors defined by a Set Multiple
command.
Command execution is identical to the Read Sectors operation except that the number of sectors defined by a Set
Multiple command are transferred without intervening interrupts. DRQ
qualification of the transfer is required only at the start of the data block, not on each sector.
The block count of sectors to be transferred without intervening interrupts is programmed by the Set Multiple Mode
command, which must be executed prior to the Read Multiple command.
When the Read Multiple command is issued, the Sector Count Register contains the number of sectors (not the
number of blocks or the block count) requested. If the number of requested
sectors is not evenly divisible by the block count, as many full blocks as possible are transferred, followed by a final,
partial block transfer. The partial block transfer is for n sectors, where n = remainder (sector count / block count).
If the Read Multiple command is attempted before the Set Multiple Mode command has been executed or when
Read Multiple commands are disabled, the Read Multiple operation is rejected with an Aborted Command error.
Disk errors encountered during Read Multiple commands are posted at the beginning of the block or partial block
transfer, but DRQ is still set and the data transfer will take place as it normally would, including transfer of
corrupted data, if any Interrupts are generated when DRQ is set at the beginning of each block or partial block. The
error reporting is the same as that on a Read Sector(s) Command. This command reads from 1 to 256 sectors as
specified in the Sector Count register. A sector count of 0 requests 256 sectors.The transfer begins at the sector
specified in the Sector Number Register.
At command completion, the Command Block Registers contain the cylinder, head and sector number of the last
sector read. If an error occurs, the read terminates at the sector where the error occurred. The Command
Block Registers contain the cylinder, head and sector number of the sector where the error occurred. The flawed
data is pending in the sector buffer. Subsequent blocks or partial blocks are transferred only if the error was a
correctable data error. All other errors cause the command to stop after transfer of the block which contained the
error.
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HFDOM44S3Rxxx
Read Long Sector – 22h or 23h
7
Bit->
6
5
Command(7)
C/D/H(6)
4
3
2
1
0
22h – 23h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
X
Feature(1)
X
Read Long Sector
The Read Long command performs similarly to the Read Sector(s) command except that it returns 516 bytes of
data instead of 512 bytes. During a Read Long command, the CompactFlash Storage Card does not check the
ECC bytes to determine if there has been a data error. Only single sector read long operations are supported. The
transfer consists of 512 bytes of data transferred in word mode followed by 4 bytes of ECC data transferred in byte
mode. This command has the same protocol as the Read Sector(s) command. Use of this command is not
recommended.
Read Sector(s) – 20h or 21h
7
Bit->
6
5
Command(7)
C/D/H(6)
4
3
2
1
0
20h – 21h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
Sector Count
Feature(1)
X
Read Sector(s)
This command reads from 1 to 256 sectors as specified in the Sector Count register. A sector count of 0 requests
256 sectors. The transfer begins at the sector specified in the Sector Number Register. When this command is
issued and after each sector of data (except the last one) has been read by the host, the CompactFlash Storage
Card sets BSY, puts the sector of data in the buffer, sets DRQ, clears BSY, and generates an interrupt. The host
then reads the 512 bytes of data from the buffer.
At command completion, the Command Block Registers contain the cylinder, head and sector number of the last
sector read. If an error occurs, the read terminates at the sector where the error occurred. The Command Block
Registers contain the cylinder, head, and sector number of the sector where the error occurred. The flawed data is
pending in the sector buffer.
Read Verify Sector(s) – 40h or 41h
Bit->
Command(7)
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7
6
5
4
3
2
1
0
40h – 41h
19 / 30
HANBit Electronics Co., Ltd.
HANBit
C/D/H(6)
HFDOM44S3Rxxx
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
Sector Count
Feature(1)
X
Read Verify Sector(s)
This command is identical to the Read Sectors command, except that DRQ is never set and no data is transferred
to the host. When the command is accepted, the CompactFlash Storage Card sets BSY.
When the requested sectors have been verified, the CompactFlash Storage Card clears BSY and generates an
interrupt. Upon command completion, the Command Block Registers contain the cylinder, head, and sector
number of the last sector verified.
If an error occurs, the verify terminates at the sector where the error occurs. The Command Block Registers
contain the cylinder, head and sector number of the sector where the error occurred. The Sector Count Register
contains the number of sectors not yet verified.
Recablibrate – 1Xh
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
1Xh
1
LBA
1
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Recalibrate
This command is effectively a NOP command to the CompactFlash Storage Card and is provided for compatibility
purposes.
Request Sense – 03h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
03h
1
LBA
1
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Request Sense
This command requests extended error information for the previous command. Table 41 defines the valid extended
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error codes for the CompactFlash Storage Card Series product. The extended error code is returned to the host in
the Error Register.
Extended Error Codes
Extended Error Code
Description
00h
No Error Detected
01h
Self Test OK ( No Error )
09h
Miscellaneous Error
20h
Invalid Command
21h
Invalid Address ( Requested Head or Sector Invalid )
2Fh
Address Overflow ( address Too Large )
35h , 36h
Supply or generated Voltage Out of Tolerance
11h
Uncorrectable ECC Error
18h
Corrected ECC Error
05h , 30-34h , 37h ,3Eh
Self Test or Diagnostic Failed
10h , 14h
ID Not Found
3Ah
Spare Sectors Exhausted
1Fh
Data Transfer Error / Aborted Command
0Ch , 38h , 3Bh , 3Ch , 3Fh
Corrupted Media Format
03h
Write / Erase Failed
22h
Power Level 1 Disabled
Seek –7X h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
7Xh
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
X (LBA 7 – 0)
Sec Cnt(2)
X
Feature(1)
X
Seek
This command is effectively a NOP command to the CompactFlash Storage Card although it does perform a range
check of cylinder and head or LBA address and returns an error if the address is out of range.
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HFDOM44S3Rxxx
Set Features - EFh
7
Bit->
6
5
4
3
2
1
0
Command(7) EFh
C/D/H(6)
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
Configure
Feature(1)
Feature
Set Features
This command is used by the host to establish or select certain features. Table 45 defines all features that are
supported.
Feature Supported
Feature
Operation
01h
Enable 8 – bit data transfers
0Ah
Enable Power Level 1 commands
55h
Disable Read Look Ahead
66h
Disable Power on Reset(POR) establishment of defaults at Soft Reset
69h
NOP – Accepted for backward compatibility
81h
Disable 8 – bit data transfer
8Ah
Disable Power Level 1 commands
96h
NOP – Accepted for backward compatibility
97h
Accepted for backward compatibility . Use of this Feature is not recommended
9Ah
Set the host current source capability. Allows tradeoff between current drawn and
read/write speed.
BBh
4 bytes of data apply on Read/Write Long commands
CCh
Enable Power on Reset (POR) establishment of defaults at Soft Reset
Features 01h and 81h are used to enable and clear 8 bit data transfer modes in True IDE Mode. If the 01h feature
command is issued all data transfers will occur on the low order D7D0 data bus and the IOIS16 signal will not be
asserted for data register accesses.
Features 0Ah and 8Ah are used to enable and disable Power Level 1 commands. Feature 0Ah is the default
feature for the CompactFlash Storage Card with extended power.
Features 55h and BBh are the default features for the CompactFlash Storage Card; thus, the host does not have to
issue this command with these features unless it is necessary for compatibility reasons. Feature code 9Ah enables
the host to configure the card to best meet the host system’s power requirements. The host sets a value in the
Sector Count register that is equal to one-fourth of the desired maximum average current (in mA) that the card
should consume. For example, if the Sector Count register is set to 6, the card would be configured to provide the
best possible performance without exceeding 24 mA. Upon completion of the command, the card responds to the
host with the range of values supported by the card. The minimum value is set in the Cylinder Low register, and the
maximum value is set in the Cylinder Hi register. The default value, after a power on reset, is to operate at the
highest performance and therefore the highest current mode. The card will accept values outside this
programmable range, but will operate either at the lowest power or highest performance as appropriate.
Features 66h and CCh can be used to enable and disable whether the Power On Reset (POR) Defaults will be
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set when a soft reset occurs. The default setting is to revert to the POR defaults when a soft reset occurs.
Set Multiple Mode – C6h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
C6h
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
Sector Count
Feature(1)
X
Set Multiple Mode
This command enables the CompactFlash Storage Card to perform Read and Write Multiple operations and
establishes the block count for these commands. The Sector Count Register is loaded with the number of sectors
per block. Upon receipt of the command, the CompactFlash Storage Card sets BSY to 1 and checks the Sector
Count Register.
If the Sector Count Register contains a valid value and the block count is supported, the value is loaded for all
subsequent Read Multiple and Write Multiple commands and execution of those commands is enabled. If a block
count is not supported, an Aborted Command error is posted, and Read Multiple and Write Multiple commands are
disabled. If the Sector Count Register contains 0 when the command is issued, Read and Write Multiple
commands are disabled. At power on, or after a hardware or (unless disabled by a Set Feature command) software
reset, the default mode is Read and Write Multiple disabled.
Set Sleep Mode – 99h or E6h
Bit->
7
6
Command(7)
C/D/H(6)
5
4
3
2
1
0
99h or E6h
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Set Sleep Mode
This command causes the CompactFlash Storage Card to set BSY, enter the Sleep mode, clear BSY and generate
an interrupt. Recovery from sleep mode is accomplished by simply issuing another command (a reset is permitted
but not required). Sleep mode is also entered when internal timer expires so the host does not need to issue this
command except when it wishes to enter Sleep mode immediately. The default value for the timer is 1.6
milliseconds. Note that this time base (1.6 msec) is different from the ATA Specification.
Standby – 96h or E2h
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HFDOM44S3Rxxx
7
Bit->
6
5
Command(7)
4
3
2
1
0
96h or E2h
C/D/H(6)
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Standby
This command causes the CompactFlash Storage Card to set BSY, enter the Sleep mode (which corresponds to
the ATA “Standby” Mode), clear BSY and return the interrupt immediately.
Recovery from sleep mode is accomplished by simply issuing another command (a reset is not required).
Standby Immediate – 94h or E0h
7
Bit->
6
5
Command(7)
4
3
2
1
0
94h or E0h
C/D/H(6)
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Standby Immediate
This command causes the CompactFlash Storage Card to set BSY, enter the Sleep mode (which corresponds to
the ATA “Standby” Mode), clear BSY and return the interrupt immediately.
Recovery from sleep mode is accomplished by simply issuing another command (a reset is not required).
Translate Sector – 87h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
87h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
X
Feature(1)
X
Translate Sector
This command allows the host a method of determining the exact number of times a user sector has been erased
and programmed. The controller responds with a 512 byte buffer of information containing the desired cylinder,
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head and sector, including its Logical Address, and the Hot Count, if available, for that sector. Table 46 represents
the information in the buffer. Please note that this command is unique to the CompactFlash Storage Card.
Address Information
Information
ADDRESS
00h – 01h
Cylinder MSB (00), Cylinder LSB (01)
02h
Head
03h
Sector
04h – 06h
LBA MSB (04) – LSB (06)
07h – 12h
Reserved
13h
Erased Flag (ffh) = Erased; 00h = Not Erased
14h – 17h
Reserved
18h – 1Ah
Hot Count MSB (18) – LSB (1A)
1bh – 1ffh
Reserved
Note 1: A value of 0 indicates Hot Count is not supported.
Wear Level – F5h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
F5h
X
X
X
Drive
Flag
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
Completion Status
Feature(1)
X
Wear Level
For the CompactFlash Storage Cards that do not support security mode feature set, this
command is effectively a NOP command and only implemented for backward compatibility. The Sector Count
Register will always be returned with a 00h indicating Wear Level is not needed. If the CompactFlash Storage Card
supports security mode feature set, this command shall be handled as Security Freeze Lock.
Write Buffer – E8h
Bit->
7
6
5
4
Command(7)
C/D/H(6)
3
1
0
E8h
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
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Feature(1)
X
Write Buffer
The Write Buffer command enables the host to overwrite contents of the CompactFlash Storage Card’s sector
buffer with any data pattern desired. This command has the same protocol as the Write Sector(s) command and
transfers 512 bytes.
Write Long Sector –32h or 33h
7
Bit->
6
5
Command(7)
C/D/H(6)
4
3
2
1
0
32h or 33h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
X
Feature(1)
X
Write Long Sector
This command is similar to the Write Sector(s) command except that it writes 516 bytes instead of 512 bytes. Only
single sector Write Long operations are supported. The transfer consists of 512 bytes of data transferred in word
mode followed by 4 bytes of ECC transferred in byte mode. Because of the unique nature of the solid-state
CompactFlash Storage Card, the four bytes of ECC transferred by the host may be used by the CompactFlash
Storage Card. The CompactFlash Storage Card may discard these four bytes and write the sector with valid ECC
data. This command has the same protocol as the Write Sector(s) command. Use of this command is not
recommended.
Write Multiple Command – C5h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
C5h
X
LBA
X
Drive
Head
Cyl High(5)
Cylinder High
Cyl Low(4)
Cylinder Low
Sec Num(3)
Sector Number
Sec Cnt(2)
Sector Count
Feature(1)
X
Write Multiple Command
Note: The current revision of the CompactFlash Storage Card only supports a block count of 1 as indicated in the
Identify Drive Command information. This command is provided for compatibility with future products which may
support a larger block count.
This command is similar to the Write Sectors command. The CompactFlash Storage Card sets BSY within 400
nsec of accepting the command. Interrupts are not presented on each sector but on the transfer of a block which
contains the number of sectors defined by Set Multiple.
Command execution is identical to the Write Sectors operation except that the number of sectors defined by the
Set Multiple command is transferred without intervening interrupts.
DRQ qualification of the transfer is required only at the start of the data block, not on each sector. The block count
of sectors to be transferred without intervening interrupts is programmed by the Set Multiple Mode command,
which must be executed prior to the Write Multiple command.
When the Write Multiple command is issued, the Sector Count Register contains the number of sectors (not the
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number of blocks or the block count) requested. If the number of requested
sectors is not evenly divisible by the sector/block, as many full blocks as possible are transferred, followed by a
final, partial block transfer. The partial block transfer is for n sectors, where:
n = remainder ( sector count / block count ). If the Write Multiple command is attempted before the Set Multiple
Mode command has been executed or when Write Multiple commands are disabled, the Write Multiple operation
will be rejected with an aborted command error.
Errors encountered during Write Multiple commands are posted after the attempted writes of the block or partial
block transferred. The Write command ends with the sector in error, even if it is in the middle of a block.
Subsequent blocks are not transferred in the event of an error. Interrupts are generated when DRQ is set at the
beginning of each block or partial block.
The Command Block Registers contain the cylinder, head and sector number of the sector where the error
occurred and the Sector Count Register contains the residual number of sectors that need to be transferred for
successful completion of the command, e.g., each block has 4 sectors, a request for 8 sectors is issued and an
error occurs on the third sector. The Sector Count Register contains 6 and the address is that of the third sector.
Write Multiple without Erase – CDh
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
CDh
X
LBA
X
Drive
Head
Cyl High(5)
Cylinder High
Cyl Low(4)
Cylinder Low
Sec Num(3)
Sector Number
Sec Cnt(2)
Sector Count
Feature(1)
X
Write Multiple without Erase
This command is similar to the Write Multiple command with the exception that an implied erase before write
operation is not performed. The sectors should be pre-erased with the Erase Sector(s) command before this
command is issued.
Write Sector(s) – 30h or 31h
7
Bit->
6
5
Command(7)
C/D/H(6)
4
3
2
1
0
30h or 31h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
Cylinder Low (15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
Sector Count
Feature(1)
X
Write Sector(s)
This command writes from 1 to 256 sectors as specified in the Sector Count Register. A sector count of zero
requests 256 sectors. The transfer begins at the sector specified in the Sector
Number Register. When this command is accepted, the CompactFlash Storage Card sets BSY,then sets DRQ and
clears BSY, then waits for the host to fill the sector buffer with the data to be written. No interrupt is generated to
start the first host transfer operation. No data should be transferred by the host until BSY has been cleared by the
host.
For multiple sectors, after the first sector of data is in the buffer, BSY will be set and DRQ will be cleared. After the
next buffer is ready for data, BSY is cleared, DRQ is set and an interrupt is generated. When the final sector of
data is transferred, BSY is set and DRQ is cleared. It will remain in this state until the command is completed at
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which time BSY is cleared and an interrupt is generated.
If an error occurs during a write of more than one sector, writing terminates at the sector where the error occurs.
The Command Block Registers contain the cylinder, head and sector number of the sector where the error
occurred. The host may then read the command block to determinem what error has occurred, and on which sector.
Write Sector(s) without Erase – 38h
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
38h
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
LBA(15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
Sector Count
Feature(1)
X
Write Sector(s) without Erase
This command is similar to the Write Sector(s) command with the exception that an implied erase before write
operation is not performed. This command has the same protocol as the Write Sector(s) command. The sectors
should be pre-erased with the Erase Sector(s) command before this command is issued. If the sector is not preerased with the Erase Sector(s) command, a normal write sector operation will occur.
Write Verify – 3Ch
7
Bit->
6
5
4
Command(7)
C/D/H(6)
3
2
1
0
3Ch
1
LBA
1
Drive
Head(LBA 27 – 24)
Cyl High(5)
Cylinder High (LBA 23 – 16)
Cyl Low(4)
LBA(15 – 8)
Sec Num(3)
Sector Number (LBA 7 – 0)
Sec Cnt(2)
Sector Count
Feature(1)
X
Write Verify
This command is similar to the Write Sector(s) command, except each sector is verified immediately after being
written. This command has the same protocol as the Write Sector(s) command.
Summaries of the valid status and error value for all the ATA Command set Error and Status Register
Error Register
Command
BBk
UNC
Status Register
IDNF
ABRT AMNF DRDY DWF
CheckPowerMode
ExecuteDriveDiagnostic
V
V
V
V
V
DSC
CORR ERR
V
V
V
V
Erase Sector(s)
V
V
V
V
V
V
Format Track
V
V
V
V
V
V
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Identify Drive
V
V
V
V
V
Idle
V
V
V
V
V
Idle Immediate
V
V
V
V
V
V
V
V
InitializeDriveParameter
V
Read Buffer
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Read Multiple
V
Read Long Sector
V
Read Sector(s)
V
V
V
V
V
V
V
V
V
Read Verify Sectors
V
V
V
V
V
V
V
V
V
Recalibrate
V
V
V
V
V
Request Sense
V
V
V
V
V
V
V
V
Set Features
V
V
V
V
V
Set Multiple Mode
V
V
V
V
V
Set Sleep Mode
V
V
V
V
V
Stand By
V
V
V
V
V
Stand By Immediate
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Seek
V
Translate Sector
V
Wear Level
V
V
Write Buffer
V
V
V
V
V
Write Long Sector
V
V
V
Write Multiple
V
V
V
V
V
V
V
Write Multiple w/o Erase
V
V
V
V
V
V
V
Write Sector(s)
V
V
V
V
V
V
V
Write Sector(s) w/o
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Erase
Write Verify Sector(s)
Invalid Command Code
V = Valid on this command
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Ordering Infomation
NO
Parts
Capacity
Media transfer
mode
Operation
Mode
1
DOM44S3R016
16Mbyte
BYTE
True IDE
2
DOM44S3R032
32Mbyte
BYTE
True IDE
3
DOM44S3R048
48Mbyte
BYTE
True IDE
4
DOM44S3R064
64Mbyte
BYTE
True IDE
5
DOM44S3R080
80Mbyte
BYTE
True IDE
6
DOM44S3R096
96Mbyte
BYTE
True IDE
7
DOM44S3R128
128Mbyte
BYTE
True IDE
8
DOM44S3R144
144Mbyte
BYTE
True IDE
9
DOM44S3R160
160Mbyte
BYTE
True IDE
10
DOM44S3R192
192Mbyte
BYTE
True IDE
11
DOM44S3R208
208Mbyte
BYTE
True IDE
12
DOM44S3R224
224Mbyte
BYTE
True IDE
13
DOM44S3R256
256Mbyte
BYTE
True IDE
14
DOM44S3R272
272Mbyte
BYTE
True IDE
15
DOM44S3R288
288Mbyte
BYTE
True IDE
16
DOM44S3R320
320Mbyte
BYTE
True IDE
17
DOM44S3R384
384Mbyte
BYTE
True IDE
18
DOM44S3R512
512Mbyte
BYTE
True IDE
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