Z8FMC04100 ZILOG [Zilog, Inc.], Z8FMC04100 Datasheet - Page 239

• Manufacturer Part Number: Z8FMC04100
• Description: Z8 Encore-R Motor Control Flash MCUs
• Manufacturer: ZILOG [Zilog, Inc.]

PS024604-1005
Bit
Position
[7:0]
FCMD
RESET
FIELD
ADDR
BITS
R/W
Flash Control Register
Value
73H
8CH
95H
63H
5EH
7
Table 116. Flash Control Register (FCTL)
•
•
•
•
•
•
•
•
The Flash Control Register, shown in Table 116, unlocks the Flash Controller for pro-
gramming and erase operations, or to select the Flash Sector Protect Register.
The Write-Only Flash Control Register shares its Register File address with the Read-
Only Flash Status Register.
The Flash Write Protect option bit is ignored
The Flash Sector Protect Register is ignored for programming and erase operations
Programming operations are not limited to the page selected in the Page Select Register
Bits in the Flash Sector Protect Register can be written to one or zero
The second write of the Page Select Register to unlock the Flash Controller is not nec-
essary
The Page Select Register can be written when the Flash Controller is unlocked
The Mass Erase command is enabled through the Flash Control Register
The page erase and programming operations are disabled if the Memory Read Protect
option is enabled
Description
Flash Command:
First unlock command.
Second unlock command.
Page erase command.
Mass erase command.
Flash Sector Protect register select.
All other commands, or any command out of sequence, locks the Flash
Controller.
6
5
P R E L I M I N A R Y
4
FCMD
FF8H
00H
W
3
Z8FMC16100 Series Flash MCU
2
Product Specification
Flash Control Register
1
0
217