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AN.No.G1216B1N000-3D0E
- 20 -
(5) Status read
ON/OFF
DB
0
Code
D/I DB
7
RESET
0 0 0 0
R/W
1 0 0
BUSY
BUSY: When BUSY=1, it means that the the module is operating internally and the next instruction is
not accepted until BUSY=0. After confirming that BUSY=0, it is necessary to perform the
next write.
ON/OFF: Indicates that the display is OFF when ON/OFF=1.
Indicates that the display is ON when ON/OFF=0.
RESET: Indicates that initial setup is performed by the RST signal.
Indicates that the initialization is being performed when RESET=1 and instructions other than
the Status Read instruction are not accepted.
When RESET=0, initialization is completed and operation status is normal.
(6) Display data write
DB
0
Code
D/I DB
7
D D D D D D D D
R/W
0 1
Upper bits
Lower bits
Writes 8-bit binary data DDDDDDDD in the display data RAM. After the write is completed, the Y-
address is automatically advanced by one
(7) Display data read
DB
0
code
D/I DB
7
D D D D D D D D
R/W
1 1
Upper bits
Lower bits
Read 8-bit binary data DDDDDDDD from the display data RAM. After read is performed, the Y-
address is automatically advanced by one. A dummy read is necessary once, immediately after the
address set is completed. For details, refer to segment driver output register section.