Z8F4822AR020SG Datasheet, PDF (196/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F64xx Series
Product Specification
176
Bit
Field
RESET
R/W
Address
The write-only Flash Control Register shares its Register File address with the read-only
Flash Status Register.
Table 93. Flash Control Register (FCTL)
7
6
5
4
3
2
1
0
FCMD
0
W
FF8H
Bit
Description
[7:0]
FCMD
Flash Command*
73H = First unlock command.
8CH = Second unlock command.
95H = Page erase command.
63H = Mass erase command
5EH = Flash Sector Protect Register select.
Note: *All other commands, or any command out of sequence, lock the Flash Controller.
PS019924-0113
PRELIMINARY
Flash Control Register Definitions