SMSC SCH5617

SCH5617
Desktop System
Controller Hub with
Advanced, 8051µC-Based
Auto Fan Control
PRODUCT FEATURES
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Data Brief
ACPI 2.0 Compliant
PC2001 Compliant
PECI Interface
Temperature Monitor
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— Monitoring of up to Two Remote Thermal Diodes
— Supports temperature readings from -63 degrees to
+192 degrees
– Supports monitoring of discrete diodes (3904 type
diodes)
– Supports monitoring substrate diodes (65nm
processor diodes)
— 1/8th degree temperature resolution
— Internal Ambient Temperature Measurement
— Limit Comparison of all Monitored Values
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PROCHOT_IN# Pin
PROCHOT_OUT Pin
Auto-Fan Control with ProcHot Features
— PWM (Pulse width Modulation) Outputs (3)
– Legacy PWM control dc fan outputs
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High Frequency PWM Options (15kHz up to 30kHz)
2 second delayed start-up for PWM outputs
Fan Tachometer or Lock Rotor Inputs (3)
Programmable linear automatic fan control based on
temperature (diode or PECI)
Acoustic enhancement mode
ProcHot pins modulate Tmin
Fan PWM duty cycle is a function in linear mode of
multiple temperatures and ProcHot signals
PWM Ramp Rate Closed Loop Control
Internal Ring Oscillator for VTR Powered Logic
Low Battery Warning
Programmable Wake-up Event Interface
21 Dedicated Scratchpad registers
ISA Plug-and-Play Compatible Register Set
System Management Interrupt
46 General Purpose Input/Output Pins
SMSC SCH5617
Resume Reset Signal Generation
Power Supply Turn On Circuitry
Power Sequencing
Power Good Output
Power OK Signal Generation
IDE Reset/Buffered PCI Reset Outputs
Hard Drive Front Panel LED
Power LED Control
SMBus Isolation Logic
2.88MB Super I/O Floppy Disk Controller
— Licensed CMOS 765B Floppy Disk Controller
— Software and Register Compatible with SMSC's
Proprietary 82077AA Compatible Core
— Supports Two Floppy Drives
— Configurational Open Drain/Push-Pull Output Drivers
— 100% IBM® Compatibility
— Detects All Overrun and Underrun Conditions
— Sophisticated Power Control Circuitry (PCC) Including
Multiple Powerdown Modes for Reduced Power
Consumption
— 480 Address, Up to Eight IRQ and Four DMA Options
— Enhanced Digital Data Separator
— 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data
Rates
— Programmable Pre compensation Modes
— Mapped into Temperature monitoring interrupt
generation logic
— May be used to adjust fan control limits
— May be configured to force fans on full
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GLUE Logic
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Keyboard Controller
— 8042 Software Compatible
— Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
— Port 92 Support
— Fast Gate A20 and KRESET Outputs
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Serial Ports
— Two Full Function Serial Ports
— High Speed NS16C550A Compatible UARTs with
Send/Receive 16-Byte FIFOs
— Supports 230k and 460k Baud
— Programmable Baud Rate Generator
— Modem Control Circuitry
— 480 Address and 15 IRQ Options
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Infrared Port
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Multi protocol Infrared Interface
IrDA 1.0 Compliant
SHARP ASK IR
480 Addresses, Up to 15 IRQ
PRODUCT PREVIEW
Revision 0.5 (05-29-07)
Desktop System Controller Hub with Advanced, 8051µC-Based Auto Fan Control
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Multi-Mode™ Parallel Port with ChiProtect™
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— Standard Mode IBM PC/XT®, PC/AT®, and PS/2™
Compatible Bi-directional Parallel Port
— Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
— IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
— ChiProtect Circuitry for Protection
— 960 Address, Up to 15 IRQ and Four DMA Options
LPC Interface
— Multiplexed Command, Address and Data Bus
— Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
— PME Interface
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1.8 Volt Low Power Core Operation
3.3 Volt I/O
128 Pin QFP Lead-Free RoHS Compliant Package
ORDER NUMBER(S):
SCH5617-NS for 128 pin, QFP Lead-Free RoHS Compliant Package
80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123
Copyright © 2007 SMSC or its subsidiaries. All rights reserved.
Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for
construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC
reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications
before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent
rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated
version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors
known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not
designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property
damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of
this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered
trademark of Standard Microsystems Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders.
SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE
OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL
DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT;
TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD
TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Revision 0.5 (05-29-07)
2
PRODUCT PREVIEW
SMSC SCH5617
Desktop System Controller Hub with Advanced, 8051µC-Based Auto Fan Control
General Description
The SCH5617 is a 3.3V PC 2001 compliant Super I/O controller with an LPC interface. All legacy
drivers used for Super I/O components are supported making this interface transparent to the
supporting software. The LPC bus also supports power management, such as wake-up and sleep
modes.
The SCH5617 provides temperature monitoring with auto fan control. The temperature monitor is
capable of monitoring two external diodes, one internal ambient temperature sensor or retrieving
temperatures from external processors that implement the PECI Interface. This device offers
programmable automatic fan control support based on one or more of these measured temperatures.
There are three pulse width modulation (PWM) outputs with high frequency support as well as three
fan tachometer inputs. In addition, there is support for a PROCHOT_IN# pin that may be used to
generate an interrupt, adjust the programmed temperature limits in the auto fan control logic, or force
the PWM outputs on full. There is also a separate PROCHOT_OUT output pin. The RRCC feature
provides a linear relationship of temperature to fan speed.
The GLUE Logic includes various power management logic; including generation of RSMRST# and
Power OK signal generation. There are also four LEDs to indicate power status and hard drive activity.
Also included is SMBus Isolation logic, which can be used to isolate SMBus signals during power down
modes. The part also provides a low battery warning circuit.
SCH5617 provides 46 General Purpose I/O control pins, which offer flexibility to the system designer.
There are 21 Scratchpad read/write runtime registers for custom use.
The SCH5617 incorporates the following Super I/O components: a parallel port that is compatible with
IBM PC/AT architecture, as well as the IEEE 1284 EPP and ECP; two serial ports that are 16C550A
UART compatible; one infrared port that is IrDA 1.0 compliant; a keyboard/mouse controller that uses
an 8042 micro controller; floppy disk controller, which uses SMSC's true CMOS 765B core. The true
CMOS 765B core provides 100% compatibility with IBM PC/XT and PC/AT architectures and is
software and register compatible with SMSC's proprietary 82077AA core.
The SCH5617 is ACPI 1.0b/2.0 compatible supports multiple low power-down modes. It incorporates
sophisticated power control circuitry (PCC), which includes keyboard and mouse wake-up events.
The SCH5617 supports the ISA Plug-and-Play Standard register set (Version 1.0a). The I/O Address,
DMA Channel and hardware IRQ of each logical device in the SCH5617 may be reprogrammed
through the internal configuration registers. There are up to 480 (960 for Standard Mode Parallel Port)
I/O address location options, a Serialized IRQ interface, and four DMA channels.
SMSC SCH5617
3
PRODUCT PREVIEW
Revision 0.5 (05-29-07)
Desktop System Controller Hub with Advanced, 8051µC-Based Auto Fan Control
Block Diagram
IDE_RSTDRV#*, PCI_RST_SYS#*
PCI_RST_SLOTS#*, PS_ON#*
PWR_GOOD_3V*, PWRGD_PS, RSMRST#*
14.318 MHz
SER_IRQ
PCI_CLK
LAD[3:0]
LFRAME#
LDRQ#
PCI_RESET#
LPCPD#
IO_PME#*
IO_SMI#*
GP10*, GP11*, GP15*, GP21*,
GP22*, GP23*, GP25*, GP26*,
GP31*, GP33*, GP35*, GP36*,
GP37*, GP40*, GP41*, GP42*,
GP52*, GP53*, GP55*, GP57*,
GO60*, GP61*, GP75*, GP76*,
GP77*, GP80*, GP81*, GP82,
GP83*, GP84*, GP8051_[12:1]*,
GP8051_[17:14]*
CLOCK
GEN
LEDs
Glue Logic
SERIAL
IRQ
LPC
Bus Interface
Power Mgmt
Internal Bus
(Data, Address, and Control lines)
SCH5617
(128 QFP)
Multi-Mode
Parallel Port
with ChiProtectTM
PD[7:0]
BUSY,SLCT,PE
ERROR#, ACK#
STROBE#, INIT#
SLCTIN#
ALF#
High-Speed
16550A
UART
PORT 1
TXD1*,RXD1*
CTS1#*, RTS1#*
DSR1#*, DTR1#*
DCD1#*, RI1#*
High-Speed
16550A
UART
PORT 2
TXD2*,RXD2*
CTS2#*, RTS2#*
DSR2#*, DTR2#*
DCD2#*, RI2#*
General
Purpose
I/O
8051
TACH1
TACH2
TACH3
HVSS
Remote1+
Remote1Remote2+
Remote2HVTR
PWM1
PWM2
PWM3
PROCHOT_IN#
PROCHOT_OUT
SECONDARY_HD#*
PRIMARY_HD#*
SCSI#*
HD_LED#*
LED2*
LED3*
LED1*
ROM
Auto
Fan
Control
Analog
Interface
Analog
Block
WDATA
WCLOCK
DIGITAL DATA
SEPARATOR
WITH WRITE
PRECOMPENSATION
SMC PROPRIETARY
82077 COMPATIBLE
VERTICAL
FLOPPYDISK
CONTROLLER CORE
RCLOCK
SMBus Isolation
Circuits
SCLK*, SDAT*
SCLK_1*, SDAT_1*
Keyboard/Mouse
8042
controller
KCLK, MCLK
KDAT, MDAT,
KBDRST#, A20M
P12*,P16*,P17*
RDATA
PECI VREF
PECI IO
PECI READY
PECI
Interface
MRT0#, MRT1#*, TRK0#,
INDEX#,WRTPRT#,WGATE#,
HDSEL#,DRVDEN0*,
DIR#, STEP#, DSKCHG#,DS0#, DS1#*
RDATA#,
WDATA#
Note 1: This diagram does not show power and ground
connections.
Note 2: Functions with "*" are located on multifunctional
pins. This diagram is designed to show the various
functions available on the chip (not pin layout).
Figure 1 SCH5617 Block Diagram
Revision 0.5 (05-29-07)
4
PRODUCT PREVIEW
SMSC SCH5617
REVISION HISTORY
DESCRIPTION
REVISION
D
-
D1
SEE SPEC FRONT PAGE FOR REVISION HISTORY
DATE
RELEASED BY
-
-
R1
3
R2
0.25
e
0°-7°
GAUGE PLANE
b
2
3 E1
L 4
E
5
D1/4
L1
DETAIL "A" (SCALE: 3/1)
5
PRODUCT PREVIEW
E1/4
TOP VIEW
SEE DETAIL "A"
A2
C
A
SEATING PLANE
c
SIDE VIEW
ccc C
A1
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
AND TOLERANCES ARE:
3-D VIEW
SMSC SCH5617
NOTES:
1. ALL DIMENSIONS ARE IN MILLIMETER.
2. TOLERANCE OF THE TRUE POSITION OF THE LEADS IS ± 0.04mm MAXIMUM.
3. PACKAGE BODY DIMENSIONS "D1" AND "E1" DO NOT INCLUDE MOLD PROTRUSIONS. MAXIMUM MOLD PROTRUSION IS 0.25 mm.
4. DIMENSION "L" IS MEASURED AT THE GAUGE PLANE, 0.25mm ABOVE THE SEATING PLANE.
5. DETAILS ON PIN 1 IDENTIFIER ARE OPTIONAL BUT MUST BE LOCATED WITHIN THE ZONE INDICATED.
DECIMAL
X.X
±0.1
X.XX ±0.05
X.XXX ±0.025
THIRD ANGLE PROJECTION
80 ARKAY DRIVE
HAUPPAUGE, NY 11788
USA
ANGULAR
±1°
INTE RPRET DIM AND TOL PER
ASME Y14.5M - 1994
MATERIAL
TITLE
NAME
DATE
DRAWN
FINISH
S.K.ILIEV
11/30/04
CHECKED
PRINT WITH "SCALE TO FIT"
DO NOT SCALE DRAWING
S.K.ILIEV
Figure 2 128-Pin QFP Package Outline (3.9mm footprint)
REV
DWG NUMBER
MO-128 QFP-14x20-3.9FP
11/30/04
APPROVED
S.K.ILIEV
PACKAGE OUTLINE
128 QFP-14x20x2.7mm BODY-3.9mm FOOTPRINT
SCALE
11/30/04
1:1
STD COMPLIANCE
JEDEC: MO-112 (B) & MS-029 (A)
C
SHEET
-
Desktop System Controller Hub with Advanced, 8051µC-Based Auto Fan Control
Revision 0.5 (05-29-07)
Package Outline