RA6963
Preliminary Version 1.3
Dot Matrix LCD Controller
6-12 Data Read/Write
< Table 6-19 >
Function
Code
Hex.
Operand
Data
－
11000000
11000001
11000010
11000011
11000100
11000101
C0h Data Write and Increment ADP
C1h Data Read and Increment ADP
C2h Data Write and Decrement ADP
C3h Data Write and Decrement ADP
C4h Data Write and Non-variable ADP
C5h Data Read and Non-variable ADP
Data
－
Data
－
This command is used for writing data from the MPU to external display RAM, and reading data from
external display RAM. Data Write / Data Read should be executed after setting address using Set
Address Pointer command, The address pointer can be automatically incremented or decremented
using this command.
Note: This command is necessary for each 1-byte datum.
Refer to the following flowchart.
Data Write Start
(Example)
Address Pointer=1000h
Set Address Pointer
STA0, 1
Status Check 1
Set Write Data
(Example)
Data = AAh
Status Check 1
AAh is written in 1000h Address.
Address Pointer is 1001h
Data Write C0h
END
< Figure 6-9 >
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