z8fmc16100 ZiLOG Semiconductor, z8fmc16100 Datasheet - Page 230

• Manufacturer Part Number: z8fmc16100
• Description: Z8 Encore Motor Control Flash Mcus
• Manufacturer: ZiLOG Semiconductor

Table 119. Flash Sector Protect Register (FPROT)
BITS
FIELD
RESET
R/W
ADDR
Note: R/W1 = Register is accessible for Read operations. Register can be written to 1 only (through user code).
PS024611-0408
Bit Position
[7]
INFO_EN
[6:0]
PAGE
Bit Position
[7:0]
SECTn
Flash Sector Protect Register
Flash Frequency High and Low Byte Registers
SECT7
R/W1
7
0
The Flash Sector Protect register
programmed or erased from user code. The Flash Sector Protect register shares its Regis-
ter File address with the Flash Page Select register. The Flash Sector protect register can
be accessed only after writing the Flash Control register with
User code can only write bits in this register to 1 (bits cannot be cleared to 0 by user code).
The Flash Frequency High and Low Byte registers
form a 16-bit value (FFREQ) to control timing for Flash program and erase operations.
Value
Value
0
1
0
1
SECT6
R/W1
6
0
Description
Sector Protect
Sector n can be programmed or erased from user code.
Sector n is protected and cannot be programmed or erased from user code.
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].
SECT5
R/W1
5
0
SECT4
R/W1
(Table
4
0
FF9H
119) protects Flash memory sectors from being
SECT3
R/W1
3
0
(Table 120
Z8FMC16100 Series Flash MCU
SECT2
R/W1
2
0
5Eh
and
Flash Sector Protect Register
Product Specification
.
Table
SECT1
R/W1
1
0
121) combine to
SECT0
R/W1
0
0
218