W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 26

• Manufacturer Part Number: W83627UHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627UHG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.5
5.6
CASEOPEN#
SYMBOL
SYMBOL
KBRST#
GA20M
HEAD#
SYMBOL
MDAT
MCLK
KCLK
KDAT
GP30
GP40
GP50
RID#
RIE#
RIF#
BEEP
GP21
VIN2
KBC Interface
Hardware Monitor Interface
PIN
124
PIN
17
58
59
62
63
65
66
4
PIN
107
76
98
I/OD
I/OD
I/OD
I/OD
I/OD
I/OD
I/OD
OD
I/O
IN
IN
IN
I/OD
O
O
I/O
OD
AIN
I/O
t
t
t
24
IN
12
12
12t
12t
12t
16ts
16ts
16ts
16ts
12
t
12t
General-purpose I/O port 3 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
General-purpose I/O port 4 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
General-purpose I/O port 5 bit 0.
Ring Indicator. An active-low signal indicates that a ring signal is
being received from the modem or data set.
Head select. This open drain output determines which disk drive
head is active.
Logic 1 = side 0
Logic 0 = side 1
Gate A20 output. This pin is high after system reset. (KBC P21)
Keyboard reset. This pin is high after system reset. (KBC P20)
Keyboard Clock.
Keyboard Data.
PS2 Mouse Clock.
PS2 Mouse Data.
Beep function for hardware monitor. This pin is low after
system reset.
General-purpose I/O port 2 bit 1.
CASE OPEN Detection. An active-low input from an external
device when the case is open. This signal can be latched if pin
VBAT is connected to the battery, even if the W83627UHG is
turned off.
Pull up a 2-MΩ resistor to VBAT is recommended if useless.
Analog Inputs for voltage measurement (Range: 0 to 2.048 V)
-11-
DESCRIPTION
DESCRIPTION
DESCRIPTION
Publication Release Date: March 24, 2008
W83627UHG
Revision 1.44