w83637hg Winbond Electronics Corp America, w83637hg Datasheet - Page 15

• Manufacturer Part Number: w83637hg
• Description: Winbond Lpc I/o Lpc I/o
• Manufacturer: Winbond Electronics Corp America

5.1 LPC Interface
SYMBOL
CLKIN
PME#
PCICLK
LDRQ#
SERIRQ
LAD[3:0]
LFRAME#
LRESET#
PIN
18
19
21
22
23
24-27
29
30
I/O
IN
OD
IN
O
I/O
I/O
IN
IN
12t
t
ts
ts
ts
12t
12t
12t
System clock input. According to the input frequency 24MHz or
48MHz, it is selectable through register. Default is 24MHz input.
Generated PME event.
PCI clock input.
Encoded DMA Request signal.
Serial IRQ input/Output.
These signal lines communicate address, control, and data
information over the LPC bus between a host and a peripheral.
Indicates start of a new cycle or termination of a broken cycle.
Reset signal. It can connect to PCIRST# signal on the host.
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FUNCTION
Publication Release Date: March, 2006
W83637HF/HG
Revision 1.6