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SCH3116-NU

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

SMSC -> Microchip 

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports

Block Diagram

CLKI32

CLOCKI

SER_IRQ

PCICLK

LAD[3:0]

LFRAME#

LDRQ#

PCI_RESET#

nIO_PME

nIO_SMI

GP10-17

GP21,22,

GP27,

GP30-34,

GP36-37,

GP40, GP42,

GP44-47,

GP50-57,

GP60-67

nMTR0,

nTRK0,

nINDEX

nWGATE,

nHDSEL,

DRVDEN0*,

nWRTPRT,

nDIR, nSTEP,

nDSKCHG,

nDS0,

nRDATA,

nWDATA

nFPRST

PWRGD_PS

PWRGD_OUT

CLOCK

GEN

SERIAL

IRQ

LPC

Bus Interface

WDT

WDT*

LEDs

Internal Bus

(Data, Address, and Control lines)

Power Mgmt

General

Purpose

I/O

SMSC

Proprietary

82077

Compatible

Floppydisk

Controller with

Digital Data

Separator &

Write Precom-

pensation

Reset

Generation

Watchdog

Timer

nThremtrip

32 byte

Security

Key

Register

Hardware

Monitor

PD[7:0]

BUSY,nSCLTIN

SCLT, PE

nERROR, nACK

nSTROBE, nINIT, nALF

Multi-Mode

Parallel Port

with

ChiProtectTM/

AND FDC MUX

High-Speed

16550A

UART

PORT 1 & 2

High-Speed

16550A

UART

PORT 3& 4

PCI Reset

Outputs

Keyboard/Mouse

8042

controller

Power Control

and Recovery

High-Speed

16550A

UART

PORT 5 & 6

SCH3112,

SCH3114 ONLY

SCH3114,

SCH3116 ONLY

SCH3116 ONLY

TXD1, RXD1

nCTS1, nRTS1

nDSR1, nDTR1

nDCD1, nRI1

TXD2 (IRTX2)

RXD2 (IRRX2)

nCTS2, nRTS2

nDSR2, nDTR2

nDCD2, nRI2

TXD3, RXD3

nCTS3, nRTS3

nDSR3, nDTR3

nDCD3, nRI3

TXD4, RXD4,

nCTS4, nRTS4

nDSR4, nDTR4

nDCD4, nRI4

nIDE_RSTDRV

nPCIRST[1:3]

MCLK, MDAT

A20M,

nKBDRST,

KCLK,KDAT

PB_IN#

PS_ON#

SLP_SX#

PB_OUT#

TXD5, RXD5

nSCIN5

nSCOUT5

TXD6, RXD6

nSCIN6

nSCOUT6

Figure 1 SCH311X Block Diagram

SMSC SCH311X

5

PRODUCT PREVIEW

Revision 1.1 (06-05-07)

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