W83627EHF Datasheet, PDF (97/141 Pages) Winbond – evolving product from Winbonds most popular I/O family

W83627EHF/EF, W83627EHG/EG
7. CONFIGURATION REGISTER
7.1 Chip (Global) Control Register
CR 02h. (Software Reset; Write Only)
BIT READ / WRITE
7~1 Reserved.
0 Write “1” Only Software RESET.
DESCRIPTION
CR 07h. (Logic Device; Default 00h)
BIT READ / WRITE
7~0
R/W
Logical Device Number.
DESCRIPTION
CR 20h. (Chip ID, MSB; Read Only)
BIT READ / WRITE
DESCRIPTION
7~0 Read Only Chip ID number = 88h (higher byte).
CR 21h. (Chip ID, LSB; Read Only)
BIT READ / WRITE
DESCRIPTION
7~0 Read Only Chip ID number = 6Xh (lower byte). X for IC version
CR 22h. (Device Power Down; Default FFh)
BIT READ / WRITE
7 Reserved.
6
R/W
HM Power Down.
5
R/W
URB Power Down.
4
R/W
URA Power Down.
3
R/W
PRT Power Down.
2 Reserved.
1 Reserved.
0
R/W
FDC Power Down.
DESCRIPTION
0: Power down. 1: No power down.
0: Power down. 1: No power down.
0: Power down. 1: No power down.
0: Power down. 1: No power down.
0: Power down. 1: No power down.
CR 23h. (IPD; Default 00h)
BIT READ / WRITE
DESCRIPTION
7~1 Reserved.
0
R/W
IPD (Immediate Power Down). When set to 1, whole chip is put into power
down mode immediately.
Publication Release Date: January 18, 2006
-91-
Revision 1.0