Z8FMC16100 Datasheet, PDF (241/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8FMC16100 Series Flash MCU
Product Specification
219
Table 118. Flash Page Select Register (FPS)
BITS
7
6
5
4
3
2
1
0
FIELD ^INFO_EN
PAGE
RESET
0
000_0000B
R/W
R/W
R/W
ADDR
FF9H
Bit
Position
[7]
INFO_EN
Value
0
1
[6:0]
PAGE
Description
Information Area Enable
Information area is not selected.
Information Area is selected.
The Information area is mapped into the Program Memory address space at
addresses FE00H through FFFFH.
Page Select
This 7-bit field selects the Flash memory page for Programming and Page Erase
operations. Program Memory Address[15:9] = PAGE[6:0].
Flash Sector Protect Register
The Flash Sector Protect Register, shown in Table 119, protects Flash memory sectors
from being programmed or erased from user code. The Flash Sector Protect Register
shares its Register File address with the Flash Page Select Register. The Flash Sector pro-
tect Register can be accessed only after writing the Flash Control Register with 5Eh.
User code can only write bits in this register to 1 (bits cannot be cleared to 0 by user code).
Table 119. Flash Sector Protect Register (FPROT)
BITS
7
6
5
4
3
2
1
0
FIELD ^{SECT7 SECT6 SECT5 SECT4 SECT3 SECT2 SECT1 SECT0}
RESET
0
0
0
0
0
0
0
0
R/W
R/W1
R/W1
R/W1
R/W1
R/W1
R/W1
R/W1
R/W1
ADDR
FF9H
R/W1 = Register is accessible for Read operations. Register can be written to 1 only (through user code).
PS024604-1005
PRELIMINARY
Flash Sector Protect Register