W83627EHF Datasheet, PDF (102/141 Pages) Winbond – evolving product from Winbonds most popular I/O family

W83627EHF/EF, W83627EHG/EG
Continued.
BIT READ / WRITE
DESCRIPTION
EN_VRM10 Configure bit
= 0 VID input voltage is TTL.
3
R/W
= 1 VID input voltage is VRM10.
The bit is strapping by PIN77 (GP50).--- Pull high to 3VSB.
EN_PWRDN. (VBAT)
2
R/W
= 0 Thermal shutdown function is disabled.
= 1 Enable thermal shutdown function.
PIN78~85 function select
Bit-1
Bit-0
PIN78~PIN85 function
1~0
R/W
PIN82 Æ Reserved (tri-state)
0
0
PIN83 Æ Reserved (always low)
Others Æ GPIO4
PIN82 Æ IRRX
0
1
PIN83 Æ IRTX
Others Æ GPIO4
1
0
PIN 78~85 Æ GPIO4
1
1
PIN 78~85 Æ UART B
CR 2Dh. (GPIO5 and power control signals multi-function selection; default 21h) (VSB Power)
BIT READ / WRITE
DESCRIPTION
PIN67 Select (reset by RSMRST#)
7
R/W
= 0 PIN67Æ PSOUT#
= 1 PIN67Æ GPIO57
PIN68 Select (reset by RSMRST#)
6
R/W
= 0 PIN68Æ PSIN
= 1 PIN68Æ GPIO56
PIN70 Select (reset by RSMRST#)
5
R/W
= 0 PIN70Æ SUSLED
= 1 PIN70Æ GPIO55
PIN71 Select (reset by RSMRST#)
4
R/W
= 0 PIN71Æ PWROK
= 1 PIN71Æ GPIO54
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