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3.9.2.2
LCD display bank register
The bank page used as LCD display memory is set to these registers. Since the bank register
for CPU and LCDC are prepared independently, the bank page for CPU (Program, Read-data,
write-data) can change during LCD display on.
bit Symbol
LOCALLX
Read/Write
(888H)
After reset
Function
(889H)
bit Symbol
Read/Write
After reset
Function
bit Symbol
LOCALLY
Read/Write
(88AH)
After reset
Function
bit Symbol
(88BH)
Read/Write
After reset
Function
bit Symbol
LOCALLZ
(88CH)
Read/Write
After reset
Function
bit Symbol
(88DH)
Read/Write
After reset
Function
LOCAL-X register for LCD
7
6
X7
X6
0
0
Set BANK number for LOCAL-X ("0" is disabled because of overlapped with Common-area.)
15
14
13
LXE
R/W
0
BANK for
LOCALX
0: Disable
1: Enable
LOCAL-Y register for LCD
7
6
15
14
13
LYE
R/W
0
BANK
for
LOCALY
0: Disable
1: Enable
LOCAL-Z register for LCD
7
6
Z7
Z6
0
0
Set BANK number for LOCAL-Z ("3" is disabled because of overlapped with Common-area.)
15
14
13
LZE
R/W
0
BANK
for
LOCALZ
0: Disable
000000000 to 001111111 CSZA
1: Enable
010000000 to 011111111 CSZB
92CZ26A-210
5
4
3
X5
X4
X3
R/W
0
0
0
12
11
Set BANK number for LOCAL-X
X8-X0 setting and CS
000000000∼011111111 CSXA
100000000∼111111111 CSXB
5
4
3
Y5
Y4
Y3
0
0
0
Set BANK number for LOCAL-Y
("3" is disabled because of overlapped with Common-area.)
12
11
5
4
3
Z5
Z4
Z3
R/W
0
0
0
12
11
Set BANK number for LOCAL-Z
Z8-Z0 setting and CS
100000000 to 101111111 CSZC
110000000 to 111111111 CSZD
TMP92CZ26A
2
1
X2
X1
0
0
10
9
2
1
Y2
Y1
R/W
0
0
10
9
2
1
Z2
Z1
0
0
10
9
0
X0
0
8
X8
R/W
0
0
Y0
0
8
0
Z0
0
8
Z8
R/W
0
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