W83627G-AW Nuvoton Technology Corporation of America, W83627G-AW Datasheet - Page 106

• Manufacturer Part Number: W83627G-AW
• Description: IC LPC SUPER I/O 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627G-AW

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

CRE0 （ Default 0x00 ） , continued
CRE1（Default 0x00）Keyboard Password Wake-Up Index Register
CRE2 Keyboard Password Wake-Up Data Register
This register is used to indicate which Keyboard Wake-Up Shift register or predetermined key Reg-
ister is to be read or written via CRE2.
This register holds the value of wake-up key register indicated by CRE1.
W83627HF supports at most 5-key password wake-up function. CRE1 is an index register to indi-
cate which byte of key code storage (0X00 ~ 0X0E) is going to be read or written. According to
IBM 101/102 keyboard specification, a complete key code contains a 1-byte make code and a 2-
byte break code. For example.The make code of Key “0” is 0x45, and the corresponding break
code is 0xF0, 0x45. The approach to implement Keyboard Password Wake-up function is to fill key
codes into the password storage. Assume that we want to set “012” as the password. The storage
must be filled as below. Please note that index 0x09 ~ 0x0e must be filled as 0x00 since the pass-
word has only three words.
Index
Data
BIT
3
2
1
0
1： Any character received from Keyboard can wake up the system.
ENCIRWAKEUP. Enable CIR to wake-up system via PANSW_OUT.
0： Disable CIR wake-up function.
1： Enable CIR wake-up function.
MSXKEY. Select either single or double click to wake-up the system.
0： Indicates mouse double click can wake the system up.
1： Indicates mouse single click can wake the system up.
KBXKEY. Enable any character received from Keyboard to wake-up the system
0： Only predetermined specific key combination can wake up the system.
KB/MS Swap. Enable Keyboard/Mouse port-swap.
0： Keyboard/Mouse ports are not swapped.
1： Keyboard/Mouse ports are swapped.
1E
00
F0
01
1E
02
03
16
F0
04
05
16
- 102 -
06
45
DESCRIPTION
F0
07
08
45
W83627HF/ F/ HG/ G
First-pressed key “0”
Second-pressed key “1”
Third-pressed key “2”
09
00
0A
00
1B
00
0C
00
0D
00
0E
00