W83627THF_06 Datasheet, PDF (102/142 Pages) Winbond – Winbond LPC I/O

W83627THF/W83627THG
Bit 1
Bit 0
: MSXKEY.
This bit combining with MSRKEY (bit 4 of CRE0 of logical device A) and ENMDAT_UP
(bit 7 of CRE6 of logical device A) define what kind of mouse wake-up event can trigger
an active low pulse on PSOUT#. Their combination is described in the following table.
ENMDAT_UP MSRKEY MSXKEY
WAKE UP EVENT
1
x
1 Any button click or any movement
1
x
0 one click of left/right button
0
0
1 one click of left button
0
1
1 one click of right button
0
0
0 two times click of left button
0
1
0 two times click of right button
: KBXKEY. Enable any character received from Keyboard to wake-up the system
= 0 Only predetermined specific key combination can wake up the system.
=1
Any character received from Keyboard can wake up the system.
CRE1 (Default 0x00) Keyboard Wake-Up Index Register
This register is used to indicate which Keyboard Wake-Up Shift register or Predetermined key
Register is to be read/written via CRE2. The first set of wake up key combination is in the range of
0x00 - 0x0E, the second set 0x30 – 0x3E, and the third set 0x40 – 0x4E. Incoming key combination
can be read through 0x10 – 0x1E.
CRE2 Keyboard Wake-Up Data Register
This register holds the value of wake-up key register indicated by CRE1. This register can be
read/written.
CRE3 (Read only) Keyboard/Mouse Wake-Up Status Register
Bit 7-5 : Reserved.
Bit 4 : PWRLOSS_STS: This bit is set when power loss occurs.
Bit 3 Reserved
Bit 2
: PANSW_STS. The Panel switch event is caused by PANSW_IN. This bit is cleared by
reading this register.
Bit 1
: Mouse_STS. The Panel switch event is caused by Mouse wake-up event. This bit is
cleared by reading this register.
Bit 0
: Keyboard_STS. The Panel switch event is caused by Keyboard wake-up event. This
bit is cleared by reading this register.
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Publication Release Date: September 26, 2006
Revision 1.2