W83627DHG Nuvoton Technology Corporation of America, W83627DHG Datasheet - Page 208

• Manufacturer Part Number: W83627DHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627DHG

• 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

20.9 Logical Device 8 (WDTO# & PLED)
CR 30h. (Default 00h)
CR F5h. (WDTO#, PLED and KBC P20 Control Mode Register; Default 00h)
7~1
7~6
BIT
BIT
0
5
4
3
2
1
0
Reserved.
Reserved.
Reserved.
READ / WRITE
READ / WRITE
R / W
R / W
R / W
R / W
R / W
R / W
0: WDTO# and PLED are inactive.
Select Power LED mode.
00: Power LED pin is driven high.
01: Power LED pin is driven low.
10: Power LED pin outputs 1Hz pulse with 50% duty cycle.
11: Power LED pin outputs 0.25Hz pulse with 50% duty cycle.
WDTO# count mode is 1000 times faster.
0: Disable.
1: Enable.
(If bit-3 is in Second Mode, the count mode is 1/1000 sec.)
(If bit-3 is in Minute Mode, the count mode is 1/1000 min.)
Select WDTO# count mode.
0: Second Mode.
1: Minute Mode.
Enable the rising edge of a KBC reset (P20) to issue a time-out event.
0: Disable.
1: Enable.
Disable / Enable the WDTO# output low pulse to the KBRST# pin (PIN60)
0: Disable.
1: Enable.
-196-
DESCRIPTION
DESCRIPTION
1: Activate WDTO# and PLED.
Publication Release Date: Aug, 22, 2007
W83627DHG
Version 1.4