W83627DHG Datasheet, PDF (192/268 Pages) Winbond – WINBOND LPC I/O

W83627DHG
20. CONFIGURATION REGISTER
20.1 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. (Logical Device; Default 00h)
BIT READ / WRITE
7~0
R/W
Logical Device Number.
DESCRIPTION
CR 20h. (Chip ID, High Byte; Read Only)
BIT READ / WRITE
DESCRIPTION
7~0 Read Only Chip ID number = A0h (high byte).
CR 21h. (Chip ID, Low Byte; Read Only)
BIT READ / WRITE
DESCRIPTION
7~0 Read Only Chip ID number = 2Xh (low byte). X is the IC version
CR 22h. (Device Power Down; Default FFh)
BIT READ / WRITE
7 Reserved.
DESCRIPTION
6
R/W
HM Power Down. 0: Powered down. 1: Not powered down.
5
R/W
UARTB Power Down. 0: Powered down. 1: Not powered down.
4
R/W
UARTA Power Down. 0: Powered down. 1: Not powered down.
3
R/W
PRT Power Down. 0: Powered down. 1: Not powered down.
2~1 Reserved.
0
R/W
FDC Power Down. 0: Powered down. 1: Not powered down.
CR 23h. (IPD; Default 00h)
BIT READ / WRITE
DESCRIPTION
7~1 Reserved.
0
R/W
IPD (Immediate Power Down). When set to 1, the whole chip is put into
power-down mode immediately.
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Publication Release Date: Aug, 22, 2007
Version 1.4