TXZ Family
Flash Memory
2018-06-05
74 / 120
Rev. 2.0
5.2.12. [FCPMR3] (Flash Protect Mask Register 3)
Bit
Bit Symbol
After reset
Type
Function
31:8
-
0
R
Read as “0”
7
PM7
1
R/W
Protect mask status of code flash (Area 2).
1: Not masked (Protected)
0: Masked (Not protected)
This register masks each protected page from Page0 to
Page7 (block0). This register is initialized by a system
reset.
6
PM6
1
R/W
5
PM5
1
R/W
4
PM4
1
R/W
3
PM3
1
R/W
2
PM2
1
R/W
1
PM1
1
R/W
0
PM0
1
R/W
Note: To rewrite this register, follow the procedure below:
1. Write the specific code (0xA74A9D23) to
[FCKCR]
.
2. Rewrite the data of
[FCPMR3]
<PMn> within 16 clocks after Procedure 1.