ATMEL ATSAM2193-G

Features
• Single-chip All-in-one Design, Only Requires External DAC
•
•
•
•
•
•
– MIDI Control Processor, Serial and Parallel Interface
– Synthesis, General MIDI Wavetable Implementation
– Compatible Effects: Reverb + Chorus
– Spatial Effect
– 4-band Stereo Equalizer
State-of-the-art Synthesis for Best Quality/Price Products
– 38-voice Polyphony + Effects
– On-chip CleanWave™ Wavetable Data, Firmware, RAM Delay Lines
Synthesizer Chipset: ATSAM2193/ATSAM2193-G + DAC
Hardware Programmable DAC Mode
– I2S: 16 to 20 bits
– Japanese: 16 bits
Typical Applications
– Battery-operated Musical Keyboards
– Portable Phones
– Karaokes
TQFP44 (10 mm x 10 mm) Package for ATSAM2193
TFBGA44 (7 mm x 7 mm) Package for ATSAM2193-G
– Both Options Provide Small Footprint, Low Pin Count
Low-power
– 95 mW Typical Operating, <5 µA Power-down
– 2.5V and 3.3V Power Supply or Single 2.5V Supply
– Built-in Power Switch
Sound
Synthesis
ATSAM2193
ATSAM2193-G
Low-power
Single-chip
Synthesizer
with Effects
Description
The ATSAM2193 provides a single-chip, low-cost MIDI sound system. Equipped with
a serial and a parallel MIDI input, it provides state-of-the-art sound synthesis using a
full GM sound set together with a range of compatible effects. Its low power consumption makes it ideal for all battery-powered applications such as portable Karaoke or
any other device using MIDI synthesis.
The ATSAM2193-G has the same functionality as the ATSAM2193 but is presented in
a TFBGA44 package.
Figure 1. Typical Hardware Configuration
MIDI IN
MPU-401
(Parallel MIDI)
ATSAM2193
or
ATSAM2193-G
Stereo
DAC
Audio
Out
Rev. 2695A–DRMSD–06/03
1
Pin Description
44-lead TQFP Package
Table 1. Pin by Function - 44-lead TQFP Package
Pin Name
Pin Number
Type
Function
Power Supply Group
GND
9, 11, 20, 22,
30, 34, 38, 42
PWR
Digital ground - all pins should be connected to a ground plane.
VC3
10, 29
PWR
I/O power supply, 2.25V to 3.6V. All pins should be connected to a nominal 3.3V power.
VC2
1, 12, 32, 41,
44
PWR
Core power supply, 2.25V to 2.75V. All pins should be connected to nominal 2.5V. If the
built-in power switch is used for minimum power-down consumption, then all these pins
should be connected to the output of the power switch PWROUT (pin 36).
PWRIN
35
PWR
Power switch input, 2.25V to 2.95V. Even if the power switch feature is not used, this pin
must be connected to nominal 2.5V.
Serial MIDI, Parallel MIDI (MPU-401)
MIDI IN
17
IN
Serial TTL MIDI IN. Connected to the built-in synthesizer at power-up or after MPU reset.
Connected to the D0 - D7 bus (read mode) when MPU switched to UART mode. This pin
should be tied HIGH if not used.
D0 - D7
6, 8, 14, 16,
18, 21, 24, 26
I/O
8-bit bi-directional bus, under control of CS, RD, WR. These pins should be left
unconnected if not used.
A0
2
IN
This pin has built-in pull-down. Should be left unconnected if not used.
Select:
0 = data registers (read/write)
1 = status register (read), control register (write)
CS
4
IN
Chip select, active low. This pin has a built-in pull-down. It should be left unconnected if not
used.
RD
31
IN
Read, active low. When CS and RD are low, data (A0 = 0) or status (A0 = 1) is read on D0D7. Read data is acknowledged on the rising edge of RD. This pin has a built-in pull-down.
It should be left unconnected if not used.
WR
33
IN
Write, active low. When CS and WR are low, data (A0 = 0) or control (A0 = 1) is written from
the D0 -D7 bus to the ATSAM2193 on the rising edge of WR. This pin has a built-in pull-up.
It should be left unconnected if not used.
IRQ
28
OUT
A rising edge indicates that a MIDI byte is available for read on D0 - D7. Acknowledged by
reading the byte.
Digital Audio Group
CLBD
3
OUT
Digital audio bit clock.
WSBD
23
OUT
Digital audio left/right select.
DABD
27
OUT
Digital audio stereo output.
DACSEL
15
IN
DAC type:
0 = I2S 16 to 20 bits
1 = Japanese 16 bits
Miscellaneous Group
X1, X2
2
39, 40
-
9.6 MHz crystal connection. An external 9.6 MHz clock can also be used on X1 (2.5VPP
max through 47 pF capacitor). X2 cannot be used to drive external circuits, use CKOUT
instead.
ATSAM2193/ATSAM2193-G
2695A–DRMSD–06/03
ATSAM2193/ATSAM2193-G
Table 1. Pin by Function - 44-lead TQFP Package (Continued)
Pin Name
Pin Number
Type
Function
CKOUT
7
OUT
Buffered X2 output, can be used to drive external DAC master clock (256 * Fs)
LFT
43
-
RESET
5
IN
Reset input, active low. This is a Schmitt trigger input, allowing direct connection to an RC
network.
PWROUT
36
PWR
Power switch output. Use this pin to supply 2.5V nominal core voltage by connecting it to all
VC2 pins.
PDWN
37
IN
Power down, active low. When power down is active, all outputs are set to logic level 0. The
PLL and crystal oscillator are stopped. If the power switch feature is used, then 2.5V supply
is removed from the core. To exit from power down, PDWN must be set to VC2, then RESET
applied. When unused this pin must be connected to VC2.
TEST0 TEST1
13, 25
IN
Test pins, should be grounded.
RUN
19
OUT
PLL external RC network.
When high, indicates synthesizer is up and running.
Table 2. Pinout by Pin Number - 44-lead TQFP Package
Pin Number
Signal Name
Pin Number
Signal Name
Pin Number
Signal Name
Pin Number
Signal Name
1
VC2
12
VC2
23
WSBD
34
GND
2
A0
13
TEST0
24
D6
35
PWRIN
3
CLBD
14
D2
25
TEST1
36
PWROUT
4
CS
15
DACSEL
26
D7
37
PDWN
5
RESET
16
D3
27
DABD
38
GND
6
D0
17
MIDI IN.
28
IRQ
39
X1
7
CKOUT
18
D4
29
VC3
40
X2
8
D1
19
RUN
30
GND
41
VC2
9
GND
20
GND
31
RD
42
GND
10
VC3
21
D5
32
VC2
43
LFT
11
GND
22
GND
33
WR
44
VC2
3
2695A–DRMSD–06/03
44-ball TFBGA Package
Table 3. Pin by Function - 44-ball TFBGA Package
Pin Name
Pin Number
Type
Function
Power Supply Group
GND
A4, B4, C3,
C5, E3, E5,
G2, G6
PWR
Digital ground - all pins should be connected to a ground plane.
VC3
A7, D1
PWR
I/O power supply, 2.25V to 3.6V. All pins should be connected to a nominal 3.3V power.
VC2
D6, F2, F4, F7,
G5
PWR
Core power supply, 2.25V to 2.75V. All pins should be connected to nominal 2.5V. If the
built-in power switch is used for minimum power-down consumption, then all these pins
should be connected to the output of the power switch PWROUT (pin 36).
PWRIN
F1
PWR
Power switch input, 2.25V to 2.95V. Even if the power switch feature is not used, this pin
must be connected to nominal 2.5V.
Serial MIDI, Parallel MIDI (MPU-401)
MIDI IN
B5
IN
Serial TTL MIDI IN. Connected to the built-in synthesizer at power-up or after MPU reset.
Connected to the D0 - D7 bus (read mode) when MPU switched to UART mode. This pin
should be tied HIGH if not used.
D0 - D7
D7, C7, B6,
A5, B3, A2, B1,
C1
I/O
8-bit bi-directional bus, under control of CS, RD, WR. These pins should be left
unconnected if not used.
A0
F5
IN
This pin has built-in pull-down. Should be left unconnected if not used.
Select:
0 = data registers (read/write)
1 = status register (read), control register (write)
CS
E6
IN
Chip select, active low. This pin has a built-in pull-down. It should be left unconnected if not
used.
RD
E2
IN
Read, active low. When CS and RD are low, data (A0 = 0) or status (A0 = 1) is read on D0D7. Read data is acknowledged on the rising edge of RD. This pin has a built-in pull-down.
It should be left unconnected if not used.
WR
G1
IN
Write, active low. When CS and WR are low, data (A0 = 0) or control (A0 = 1) is written from
the D0 -D7 bus to the ATSAM2193 on the rising edge of WR. This pin has a built-in pull-up.
It should be left unconnected if not used.
IRQ
D2
OUT
A rising edge indicates that a MIDI byte is available for read on D0 - D7. Acknowledged by
reading the byte.
Digital Audio Group
CLBD
F6
OUT
Digital audio bit clock.
WSBD
A1
OUT
Digital audio left/right select.
DABD
C2
OUT
Digital audio stereo output.
DACSEL
A6
IN
DAC type:
0 = I2S 16 to 20 bits
1 = Japanese 16 bits
Miscellaneous Group
X1, X2
4
G3, G4
-
9.6 MHz crystal connection. An external 9.6 MHz clock can also be used on X1 (2.5VPP
max through 47 pF capacitor). X2 cannot be used to drive external circuits, use CKOUT
instead.
ATSAM2193/ATSAM2193-G
2695A–DRMSD–06/03
ATSAM2193/ATSAM2193-G
Table 3. Pin by Function - 44-ball TFBGA Package (Continued)
Pin Name
Pin Number
Type
Function
CKOUT
C6
OUT
Buffered X2 output, can be used to drive external DAC master clock (256 * Fs)
LFT
G7
-
RESET
E7
IN
Reset input, active low. This is a Schmitt trigger input, allowing direct connection to an RC
network.
PWROUT
E1
PWR
Power switch output. Use this pin to supply 2.5V nominal core voltage by connecting it to all
VC2 pins.
PDWN
F3
IN
Power down, active low. When power down is active, all outputs are set to logic level 0. The
PLL and crystal oscillator are stopped. If the power switch feature is used, then 2.5V supply
is removed from the core. To exit from power down, PDWN must be set to VC2, then RESET
applied. When unused this pin must be connected to VC2.
TEST0 TEST1
B7, B2
IN
Test pins, should be grounded.
RUN
A3
OUT
PLL external RC network.
When high, indicates synthesizer is up and running.
Figure 2. Pinout by Pin Coordinate - 44-ball TFBGA (Top View)
WSBD
D5
RUN
D6
TEST1
D4
D7
DABD
GND
VC3
IRQ
GND
D3
GND MIDI IN
DACSEL VC3
D2
TEST0
GND CKOUT
D1
VC2
D0
GND
CS
RESET
PWROUT RD
GND
PWRIN VC2
PDWN
VC2
A0
CLBD
VC2
X1
X2
VC2
GND
LFT
WR
GND
5
2695A–DRMSD–06/03
Absolute Maximum Ratings
Table 4. Absolute Maximum Ratings
Ambient Temperature (Power applied) ........... -40°C to +85°C
Storage Temperature ..................................... -65°C to +150°C
Voltage on Input Pins................................. -0.5V to VC3 + 0.3V
(except X1 and PDWN)
Voltage on X1 and PDWN Pins.................. -0.5V to VC2 + 0.3V
VC2 Supply Voltage (core).....................................-0.5V to +3V
*NOTICE:
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress
rating only and functional operation of the
device at these or any other conditions
beyond those indicated in the operational
sections of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
VC3 Supply Voltage (I/O) ....................................-0.3V to +4.5V
Maximum IOL per I/O pin................................................. 4 mA
Recommended Operating Conditions
Table 5. Recommended Operating Conditions
Symbol
Parameter
Min
Typ
Max
Unit
VC2
Supply voltage
2.25
2.5
2.75
V
VC3(1)
Supply voltage
2.5
3.3
3.6
V
tA
Operating ambient temperature
70
°C
Note:
0
1. When using 3.3V VCC supply in a 5V environment, care must be taken that pin voltage does not exceed VC3+0.3V. Pin X1
is powered by VC2, therefore voltage on this pin should not exceed VC2+0.3V.
VC3 should not be lower than VC2.
DC Characteristics
Table 6. DC Characteristics (tA = 25°C, VC2 = 2.5V ± 10%, VC3 = 3.3V ± 10%)
Symbol
Parameter
Min
Typ
Max
Unit
VIL
Low-level input voltage (Except X1, PDWN)
-0.3
-
1.0
V
VIH
High-level input voltage (Except X1, PDWN)
2.3
-
VC3+0.3
V
VIL
Low-level input voltage for X1, PDWN
-0.3
-
0.3
V
VIH
High-level input voltage for X1, PDWN
2
-
VC2+0.3
V
VOL
Low-level output voltage IOL = -2mA
-
-
0.4
V
VOH
High-level output voltage IOH = 2mA
2.9
-
-
V
-
95
Power consumption (crystal frequency =9.6 MHz)
Power down supply current (using power switch)
6
1
mW
5
µA
ATSAM2193/ATSAM2193-G
2695A–DRMSD–06/03
ATSAM2193/ATSAM2193-G
Parallel MPU-401
Interface Timings
Figure 3. MPU Interface Read Cycle
A0
tAVCS
CS
tCSLRDL
tPRD
tRDHCSH
RD
tRDLDV
tDRH
D0 - D7
IRQ
Figure 4. MPU Interface Write Cycle
tWRCYC
A0
tAVCS
CS
tCSLWRL
tPWR
tWRHCSH
WR
tDWS
tDWH
D0 - D7
Table 7. MPU Interface Timing Parameters
Symbol
Parameter
Min
Typ
Max
Unit
tAVCS
Address valid to chip select low
0
-
-
ns
tCSLRDL
Chip select low to RD low
5
-
-
ns
tRDHCSH
RD high to CS high
5
-
-
ns
tPRD
RD pulse width
50
-
-
ns
tRDLDV
Data out valid from RD
-
-
20
ns
tDRH
Data out hold from RD
5
-
10
ns
tCSLRWRL
Chip select low to WR low
5
-
-
ns
tWRHCSH
WR high to CS high
5
-
-
ns
tPWR
WR pulse width
50
-
-
ns
tDWS
Write data setup time
10
-
-
ns
tDWH
Write data hold time
0
-
-
ns
tWRCYC
Write cycle
3
-
-
µs
7
2695A–DRMSD–06/03
Digital Audio Timings
Figure 5. Digital Audio
tCW
tCLBD
tCW
WSBD
CLBD
tSOD
tSOD
DABD
Table 8. Digital Audio Timing Parameters
Symbol
Parameter
Min
Typ
Max
Unit
tCW
CLBD rising to WSBD change
200
ns
tSOD
DABD valid prior/after CLBD rising
200
ns
tCLBD
CLBD cycle time
416.67
ns
Figure 6. Digital Audio Frame Format
WSBD
(I2S)
WSBD
(Japanese)
CLBD
DABD
MSB
Notes:
8
LSB
16 bits
LSB
18 bits
LSB
20 bits
MSB
1. Selection between I2S and Japanese format is via pin DACSEL.
ATSAM2193/ATSAM2193-G
2695A–DRMSD–06/03
ATSAM2193/ATSAM2193-G
Reset and Powerdown
During power-up, the RESET input should be held low until the crystal oscillator and
PLL are stabilized. This takes about 20 ms. A typical RC/diode power-up network can
be used.
After RESET, the ATSAM2193 or ATSAM2193-G enters an initialization routine. It takes
around 50 ms before a MIDI IN or MPU message can be processed.
If PDWN is asserted low, then the crystal oscillator and PLL are stopped. The chip
enters a deep power-down sleep mode. To exit power down, PDWN must be asserted
high, then RESET applied.
Power-down mode is managed by an internal power switch. The equivalent schematic
and standard connection is shown in Figure 7.
All the VC2 pins must be connected to PWROUT.
Figure 7. Schematic
PDWN = L: Power-down Mode (Internal Power Switch Open)
VC2 Source from
Power Supply
ATSAM2193
ATSAM2193-G
Note:
PWROUT
PDWN
PWRIN
PDWN = H: Operating Mode (Internal Power Switch Closed)
VC2
VC2
VC2
VC2
VC2
VC2
High level for PDWN is VC2 = 2.5V ±10%.
Figure 8. PDWN Connection Example
3.3V
3.3V
2.5V
VC3
VC3
PWRIN
VC2
PWROUT
10 kOhm
PDWN
Control
(High level = 3.3V)
HOST
PDWN
ATSAM2193
ATSAM2193-G
9
2695A–DRMSD–06/03
Recommended Board
Layout
Like all HCMOS high integration ICs, the following simple rules of board layout are mandatory for reliable operation:
•
GND, VC3, VC2 Distribution and Decouplings
All GND, VC3, VC2 pins should be connected. A GND plane is strongly recommended
below the ATSAM2193 and ATSAM2193-G. The board GND + VC2 distribution should
be in grid form.
Recommended VC2 decoupling is 0.1 µF at each corner of the IC with an additional 10
µF between pins 42 and 44 for the ATSAM2193 and between pins G6 and F7 for the
ATSAM2193-G. VC3 requires a single 0.1 uF decoupling.
•
Crystal, LFT
The paths between the crystal, the crystal compensation capacitors, the LFT filter R-CR and the device should be short and shielded. The ground return from the compensation capacitors and LFT filter should be the GND plane from the device.
•
Analog Section
A specific AGND ground plane should be provided, which is connected to the GND
ground by a single trace. No digital signals should cross the AGND plane.
Refer to the Codec vendor recommended layout for correct implementation of the analog section.
10
ATSAM2193/ATSAM2193-G
2695A–DRMSD–06/03
ATSAM2193/ATSAM2193-G
Recommended
Crystal
Compensation and
LFT Filter
Figure 9. ATSAM2193
39
40
X1
43
9.6 MHz
C1
R1
1 nF
470 Ohm
X2
LFT
C4
22 pF
GND
C2
X1
22 pF
C3
GND
10 nF
ATSAM2193
GND
Figure 10. ATSAM2193-G
G3
G4
X1
G7
9.6 MHz
C4
R1
1 nF
470 Ohm
X2
LFT
C1
22 pF
GND
C2
X1
22 pF
GND
C3
10 nF
ATSAM2193-G
GND
11
2695A–DRMSD–06/03
Mechanical Dimensions
44-lead TQFP Package
Figure 11. Thin Plastic 44-lead Quad Flat Pack (TQFP44)
Table 9. 44-lead TQFP Package Dimensions (in mm)
Parameter
Min
Nom
A
1.60
A1
0.05
A2
1.35
1.40
12.00
D1
10.00
E
12.00
E1
10.00
0.45
P
B
12
0.15
D
L
Max
0.60
1.45
0.75
0.80
0.3
0.37
0.45
ATSAM2193/ATSAM2193-G
2695A–DRMSD–06/03
ATSAM2193/ATSAM2193-G
44-ball TFBGA Package
Figure 12. 44-ball TFBGA Package
0.80
0.26
0.35
0.53
Figure 13. Package Marking
F RANCE
SAM2193-G
YYWW 57541A
XXXXXXXXX
Note:
A1 Ball in lower left-hand corner.
13
2695A–DRMSD–06/03
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2695A–DRMSD–06/03
0M