W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 192

• Manufacturer Part Number: W83627EHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627EHG

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

GATEA20 and KBRESET are controlled by either software or hardware logic, and they are mutually
exclusive. Then, GATEA20 and KBRESET are merged with Port92 when the P92EN bit is set.
11.5.2 Port 92 Control Register
SGA20 (Special GATE A20 Control)
1: Drives GATE A20 signal to high.
0: Drives GATE A20 signal to low.
PLKBRST# (Pull-Low KBRESET)
A logical 1 on this bit causes KBRESET to drive low for 6 μS(Min.) with a 14 μS(Min.) delay. Before
issuing another keyboard-reset command, the bit must be cleared.
NAME
BIT
Res. (0)
7
Res. (0)
6
Res. (1)
5
W83627EHF/EF, W83627EHG/EG
Res. (0)
-181-
4
Res. (0)
3
Publication Release Date: April 7, 2009
Res. (1)
2
SGA20
1
Version 1.94
PLKBRST
0
#