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| LPC47M997 LPC Super I/O with Hardware Monitoring Block Data Brief Product Features 3.3 Volt Operation (SIO Block is 5 Volt Tolerant) LPC Interface ACPI 1.0/2.0 Compliant Fan Control - Fan Speed Control Outputs (2) - Fan Tachometer Inputs (2) Keyboard Controller - - - - - - - - - - 8042 Software Compatible 8 Bit Microcomputer 2k Bytes of Program ROM 256 Bytes of Data RAM Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface Asynchronous Access to Two Data Registers and One Status Register Supports Interrupt and Polling Access 8 Bit Counter Timer Port 92 Support Fast Gate A20 and KRESET Outputs Programmable Wake-up Event Interface PC98, PC99, PC01 Compliant Dual Game Port Interface MPU-401 MIDI Support General Purpose Input/Output Pins (37) ISA Plug-and-Play Compatible Register Set Intelligent Auto Power Management System Management Interrupt 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 - Configurable Open Drain/Push-Pull Output Drivers - Supports Vertical Recording Format - 16-Byte Data FIFO - 100% IBM Compatibility - Detects All Overrun and Underrun Conditions Serial Ports - Two Full Function Serial Ports - High Speed 16C550A 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 Infrared Port - - - - Multiprotocol Infrared Interface IrDA 1.0 Compliant SHARP ASK IR 480 Addresses, Up to 15 IRQ Sophisticated Power Control Circuitry (PCC) Including Multiple Powerdown Modes for Reduced Power Consumption - DMA Enable Logic - Data Rate and Drive Control Registers - 480 Address, Up to 15 IRQ and Three DMA Options Multi-Mode Parallel Port with ChiProtect 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 Three DMA Options Enhanced Digital Data Separator - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates - Programmable Precompensation Modes SMSC LPC47M997 Page 1 Rev. 01-12-07 PRODUCT PREVIEW LPC Interface - Multiplexed Command, Address and Data Bus - Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems - PME Interface Phoenix Keyboard BIOS ROM 128 Pin QFP, lead-free RoHS compliant package, 3.2mm footprint Hardware Monitor - Monitor Power supplies (+2.5V, +3.3V, +5V, +12V, +1.8V, +1.5V, Vccp (processor voltage), and VCC or HVSB) - Remote Thermal Diode Sensing for Two External Temperature Measurements - Internal Ambient Temperature Measurement - Limit Comparison of all Monitored Values - System Management Bus (SMBus) Interface - THERM# Pin for out-of-limit Temperature or Voltage Indication - RESET# Pin for generating 20msec Low Reset Pulse - Configurable offset for internal or external temperature channels ORDERING INFORMATION Order Number: LPC47M997-NW for 128 pin, QFP lead-free RoHS compliant package Rev. 01-12-07 Page 2 SMSC LPC47M997 PRODUCT PREVIEW 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright (c) 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. SMSC LPC47M997 Page 3 Rev. 01-12-07 PRODUCT PREVIEW Block Diagram FAN_TACH1* J1B1, J1B2* J2B1, J2B2* FAN_TACH2* J1X, J1Y* IRRX2* IRTX2* J2X, J2Y* FAN1* FAN2* LED1* CLK32 CLOCKI CLOCK GEN 2nd Infrared Port Game Port Fan Control LEDs LED2* PD[7,0] SER_IRQ PCI_CLK SERIAL IRQ Internal Bus (Data, Address, and Control lines) Multi-Mode Parallel Port with ChiProtectTM / FDC MUX (see LPC47B27x) Busy, Slct, PE, ERROR, ACK STROBE, INIT, SLCTIN, ALF LAD[3:0] LFrame LDRQ PCI_RESET LPCPD IO_PME* IO_SMI* GP1[0:7]* GP2[0:2,4:7]* GP3[0:7]*, GP4[0:3]* GP5[0:7]*, GP6[0:1]* SDA SCL VID0 VID1 VID2 VID3 12V_IN/VID4 +5V_IN +3.3V_IN +2.5V_IN +1.8V_IN +1.5V_IN Vccp_IN HVCC HVSS A0/RESET#/THERM#/ XNOR_OUT Hardware Monitoring SMBus General Purpose I/O LPC Bus Interface TXD1, RXD1 Power Mgmt LPC47M997 (128 QFP) High-Speed 16550A UART PORT 1 CTS1, RTS1 DSR1, DTR1 DCD1, RI1 TXD2 (IRTX)*, RXD2 (IRRX)* High-Speed 16550A UART PORT 2 CTS2*, RTS2 * DSR2*, DTR2* DCD2*, RI2* WDATA WCLOCK DIGITAL DATA SEPARATOR WITH WRITE PRECOMPENSATION Keyboard/Mouse 8042 controller MIDI_IN* MPU-401 Serial Port MIDI_OUT* SMC PROPRIETARY 82077 COMPATIBLE VERTICAL FLOPPYDISK CONTROLLER CORE KCLK, MCLK KDATA, MDATA GateA20* KRESET* P12*, P16*, P17* RCLOCK RDATA DIR, STEP, DSKCHG, DS0, DS1* DRVDEN0*, DRVDEN1* WGATE, HDSEL MTR0, MTR1*,TRK0, INDEX, WRTPRT 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). D1+ D0+ D1- D0- Figure 1 - LPC47M997 Block Diagram Rev. 01-12-07 Page 4 SMSC LPC47M997 PRODUCT PREVIEW Package Outline Figure 2 - 128 PIN QFP Package Outline, 14x20x2.7 Body, 3.2 mm Footprint MIN ~ A 0.05 A1 2.55 A2 23.00 D 19.90 D1 17.00 E 13.90 E1 0.09 H 0.73 L ~ L1 e o 0 0.10 W 0.08 R1 0.08 R2 ~ ccc Notes: 1. Controlling Unit: millimeter. 2. Tolerance on the position of the leads is 0.04 mm maximum. 3. Package body dimensions D1 and E1 do not include the mold protrusion. Maximum mold protrusion is 0.25 mm. 4. Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane. 5. Details of pin 1 identifier are optional but must be located within the zone indicated. SMSC LPC47M997 Page 5 Table 1 - 128 PIN QFP Package Parameters NOMINAL MAX REMARKS ~ 3.4 Overall Package Height ~ 0.5 Standoff ~ 3.05 Body Thickness 23.20 23.40 X Span 20.00 20.10 X body Size 17.20 17.40 Y Span 14.00 14.10 Y body Size ~ 0.20 Lead Frame Thickness 0.88 1.03 Lead Foot Length 1.60 ~ Lead Length 0.50 Basic Lead Pitch ~ 7o Lead Foot Angle ~ 0.30 Lead Width ~ ~ Lead Shoulder Radius ~ 0.30 Lead Foot Radius ~ 0.08 Coplanarity Rev. 01-12-07 PRODUCT PREVIEW |
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