TXZ Family
Flash Memory
2018-06-05
78 / 120
Rev. 2.0
5.2.17. [FCAREASEL] (Flash Area Selection Register)
Bit
Bit Symbol
After reset
Type
Function
31
-
0
R
Read as “0”
30
SSF4
0
R
Selection of Area 4
1
:
Selects Area 4 (Data write mode)
0
:
Not select Area 4 (Data read mode)
29
-
0
R
Read as “0”
28
SSF2
0
R
Selection of Area 2
1
:
Selects Area 2 (Data write mode)
0
:
Not select Area 2 (Data read mode)
27
SSF1
0
R
Selection of Area 1
1
:
Selects Area 1 (Data write mode)
0
:
Not select Area 1 (Data read mode)
26
SSF0
0
R
Selection of Area 0
1
:
Selects Area 0 (Data write mode)
0
:
Not select Area 0 (Data read mode)
25:23
-
0
R
Read as “0”
22:20
-
000
R/W Write as “000”
19
-
0
R
Read as “0”
18:16
AREA4[2:0]
000
R/W
Specify Area 4 of data flash as the target to enter to
Command sequence input mode for data programming
with flash memory operation commands. (Note1)
111: Selects Area 4.
Others: Not select Area 4.
15
-
0
R
Read as “0”
14:12
-
000
R/W Write as “000”
11
-
0
R
Read as “0”
10:8
AREA2[2:0]
000
R/W
Specify Area 2 of data flash as the target to enter to
Command sequence input mode for data programming
with flash memory operation commands. (Note1)
111: Selects Area 2
Others: Not select Area 2
7
-
0
R
Read as “0”
6:4
AREA1[2:0]
000
R/W
Specify Area 1 of data flash as the target to enter to
Command sequence input mode for data programming
with flash memory operation commands. (Note1)
111: Selects Area 1
Others: Not select Area 1
3
-
0
R
Read as “0”
2:0
AREA0[2:0]
000
R/W
Specify Area 0 of data flash as the target to enter to
Command sequence input mode for data programming
with flash memory operation commands. (Note1)
111: Selects Area 0
Others: Not select Area 0
Note1: When rewrite <AREA0[2:0]>, <AREA1[2:0]> ,<AREA2[2:0]>,<AREA4[2:0]>, please perform the next
operation until read data of <SSF0>,<SSF1>,<SSF2>,<SSF4> is reflected setting.
