RA8816
Preliminary Version 1.6
144x65 Character/Graphic LCD Driver
Address[7-1]
RW
Ack
RS=1
Don’t Care
Ack
D7D6…..D0
Ack
D7D6…..D0
Ack
Ack
1
---
7
8
9
1
2
---
8
9
1
---
8
9
1
---
8
9
9
3rd ~ Nth Memory
DATA
Stop
Condition
1st Memory
DATA
2nd Memory
DATA
Start
Condition
Slave
Address
‘0’(write)
Figure 6-19a：Memory Write Access on IIC
Address[7-1]
RW
Ack
RS=1
Don’t Care
Ack
Stop
Start
Address[7:1]
RW
Ack
D7D6…..D0
Ack
NA
1
---
7
8
9
1
2
---
8
9
1
---
7
8
9
1
---
8
9
9
Stop
Condition
Start
Condition
Slave
Address
Repeat Start Or
Stop + Start
Slave
Address
Memory
Data
N Bytes Memory
Data + Ack
Register
Number
‘0’(write)
‘1’(Read)
圖 6-19b：Memory Read Access on IIC
CS
RW
RS(1)
MD7 MD6 …………….. MD0
SDA
SCK
Mem. R/W DATA.
Figure 6-20: Memory Read/Write Access on 3-Wries I/F
CS
RS
1
Don’t Care
RW
MD7 MD6 ……….……. MD0
SDA
SCK
Mem. R/W Data
Figure 6-21: Memory Read/Write Access on 4-Wires(A-Type) I/F
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