W83627EHF_0611 Datasheet, PDF (102/144 Pages) Winbond – WINBOND LPC I/O

W83627EHF/EF, W83627EHG/EG
CR 2Ah. (I²C pin select; Default 00h)
BIT READ / WRITE
7~6 ^Reserved.
DESCRIPTION
Serial flash interface configuration register.(VBAT)
5
R/W
= 0 Normal mode.
= 1 Extend dummy cycle mode.
Note: The bit will be ignored while CR24 bit-1 is low.
Serial flash interface configuration register.(VBAT)
4
R/W
= 0 Normal mode.
= 1 Fast mode.
Note: The bit will be ignored while CR24 bit-1 is low.
3~2 Reserved.
1
R/W
PIN89, PIN90 function select (I²C interafce)
= 0 {PIN89, PIN90} Æ set by CR2C[6:5].
= 1 {PIN89, PIN90} Æ SDA, SCL.
KB, MS pin function select
0
R/W
= 0 KB, MS function.
= 1 GPIO function.
(VSB Power)
CR 2Bh. (Reserved)
CR 2Ch. (GPIO3, GPIO4 multi-function selection; Default 00h)
(VSB Power)
BIT READ / WRITE
DESCRIPTION
PIN88 Select
7
R/W
= 0 PIN88Æ GP34
= 1 PIN88Æ RSTOUT4#
PIN89 Select
6
R/W
= 0 PIN89Æ GP33
= 1 PIN89Æ RSTOUT3#
Note: The bit will be ignored while CR2A bit-1 is High.
PIN90 Select
5
R/W
= 0 PIN90Æ GP32
= 1 PIN90Æ RSTOUT2#
Note: The bit will be ignored while CR2A bit-1 is High.
4 Reserved
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.
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