W83L951DG Datasheet, PDF (14/112 Pages) Winbond – Mobile Keyboard and Embedded Controller

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
I_ts
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
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