w83627thg Winbond Electronics Corp America, w83627thg Datasheet - Page 16

• Manufacturer Part Number: w83627thg
• Description: Winbond Lpc I/o
• Manufacturer: Winbond Electronics Corp America

PIN DESCRIPTION, continued.
3.1
OD
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
AOUT
AIN
LFRAME#
LRESET#
TYPE
SYMBOL
LAD[3:0]
t
tp3
td
tu
ts
tsp3
c
cd
cs
csu
SERIRQ
PCICLK
LDRQ#
CLKIN
12p3
PME#
LPC Interface
3.3V open-drain output pin with 12 mA sink capability
TTL level input pin
3.3V TTL level input pin
TTL level input pin with internal pull down resistor
TTL level input pin with internal pull up resistor
TTL level Schmitt-trigger input pin
3.3V TTL level Schmitt-trigger input pin
CMOS level input pin
CMOS level input pin with internal pull down resistor
CMOS level Schmitt-trigger input pin
CMOS level Schmitt-trigger input pin with internal pull up resistor
Analog output
Analog input
24-27
PIN
18
19
21
22
23
29
30
OUT
I/OD
I/O
IN
IN
IN
OD
I/O
IN
12tp3
tsp3
tsp3
tsp3
12tp3
12tp3
t
8
System clock input. According to the input frequency 24MHz or
48MHz, it is selectable through register. Default is 24MHz input.
erated P
PCI 33 MHz 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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DESCRIPTION
W83627THF/W83627THG
Publication Release Date: September 26, 2006
FUNCTION
Revision 1.2