HD66717 Datasheet, PDF (46/90 Pages) Hitachi Semiconductor – (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)

HD66717
Transfer start
Transfer end
CS*
(Input)
SCL
(Input)
SDA
(Input)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
MSB
ID5 ID4 ID3 ID2 ID1 ID0 RS 0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
Device
RS
ID code
1st instruction
2nd instruction
Start byte
Instruction
(a) Basic data transfer (receive) timing
CS*
(Input)
SCL
(Input)
SDA
(Input)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
1st byte
Instruction 1
Instruction 2
Instruction 3
Start
Instruction 1 execution
Instruction 2 execution
End
time
time
(b) Consecutive data transfer timing
Note: Adjust the transfer rate so that the HD66717 can complete instruction 1 before the 8th bit of
instruction 2 is transferred.
Figure 23 Clock-Synchronized Serial Interface Timing Sequence
498