W83L951DG View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W83L951DG

Mobile Keyboard and Embedded Controller

Winbond 

W83L951DG/W83L951FG

Pin configuration table, continued.

SYMBOL

PIN

I/O

GP72

46

MPS2_CLK

I/O16tsh

GP71

47

KPS2_DAT

I/O16tsh

GP70

48

KPS2_CLK

I/O16tsh

VCC1

49

Ivdd

RESET#

50

Its

LCLK

51

Its

LFRAME# 52

LRESET# 53

SERIRQ

54

GND

55

LAD0

56

LAD1

57

LAD2

58

LAD3

59

LPWRSTS 60

GP47

61

GP46

62

CLKRUN#

GP45

63

GATE_A20

GP44

64

KBRST#

Its

Its

I/O24ts

Ivss

I/O24ts

I/O24ts

I/O24ts

I/O24ts

Its

I/O16tsh

I/O16tsh

I/O16tsh

I/O16tsh

FUNCTION

General Purpose I/O Function

Mouse PS2 Clock Signal

General Purpose I/O Function

Keyboard PS2 Data Signal

General Purpose I/O Function

Keyboard PS2 Clock Signal

Normal Power Input, +3.3V

System Reset.

PCI clock input. Same 33MHz clock as PCI clock

on the host.

Same clock phase with typical PCI skew.

Indicates start of a new cycle or termination of a

broken cycle.

Reset signal. It can connect to PCIRST# signal on

the host.

Serial IRQ input/Output.

Normal GND

LAD[3..0] are multiplexed address, control, and

data in LPC bus.

LAD[3..0] are multiplexed address, control, and

data in LPC bus.

LAD[3..0] are multiplexed address, control, and

data in LPC bus.

LAD[3..0] are multiplexed address, control, and

data in LPC bus.

Power status. Indicates current power status of

LPC interface.

General Purpose I/O Function

General Purpose I/O Function

Advance LPC function: It is used to request starting

the clock

General Purpose I/O Function

Gate A20 output

General Purpose I/O Function

CPU reset output

- 10 -

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