W83793G Datasheet, PDF (41/131 Pages) Winbond – Winbond H/W Monitor

W83793G
8.7.2 Multi-Function Pin Control Register Details
8.7.2.1 Multi-Function Pin Control Register (MFC)
Location:
Type:
Bank 0 Address 58_HEX
Read / Write
Reset:
bit 0~6:
VSB5V (Pin 7) Rising,
Init Reset (CR40.Bit7) is set,
VDD5V (Pin 25) Rising @ RST_VDD_MD (CR40.Bit4) set,
SYSRSTIN_N (Pin 15) Falling @ SYSRST_MD (CR40.Bit5) set.
Bit7: Trapping at 100ms after VSB5V (Pin 7) Rising.
BIT
Name
Reset
7
VIDBSEL
Trap
6
SIB_SEL
0
MFC
5
4
SID_SEL
0
0
3
2
SIC_SEL
0
0
1
SIA_SEL
0
0
FAN8SEL
0
BIT
DESCRIPTION
VIDBSEL.
Pin 49~56 function select. Power On Trapping input value of Pin 46.
7
1_BIN: Pin49~56 are VIDB.
0_BIN : Pin 49~54 are fan speed control output or fan tachometer input; function of Pin
55~56 is controlled by bit SIB_SEL.
SIB_SEL.
While VIDBSEL is 0, SIB_SEL set function of Pin55~56:
6
0_BIN: Pin55~56 are FANIN8/FANCTRL8.
1_BIN: Reserved.
This bit must be set to 0.
SID_SEL.
Set function of Pin39~40:
5-4
0X_BIN: Pin 39~40 are VIDA2/VIDA3.
10_BIN: Pin 39~40 are FANIN1/FANIN12.
11_BIN:Reserved.
These two bits should not be set to 11_BIN.
- 37 -
Publication Release Date: Dec. 11, 2006
Revision 1.0