hd66712u Renesas Electronics Corporation., hd66712u Datasheet - Page 38

• Manufacturer Part Number: hd66712u
• Description: Dot-matrix Liquid Crystal Display Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

a) Basic transfer serial data input (receive)
CS*
(input)
SCLK
(input)
SID
(input)
b) Basic transfer of serial data output (transmit)
Figure 14 Basic Procedure for Transferring Serial Data
1
1
CS*
(input)
SCLK
(input)
SID
(input)
SOD
(output)
Synchronizing
1
bit string
2
1
Starting byte
3
1
4
1
1
1
5
Synchronizing
R/W RS
1
bit string
2
6
1
3
7
Starting byte
1
0
4
8
D0 D1 D2 D3
1 R/W RS 0
5
9
Lower
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
data
6
7
1st byte
8
0
D0 D1 D2 D3 D4 D5 D6 D7
0
9
Lower
0
0
10 11 12 13 14 15 16
data
Busy flag/data read
0
0
Instruction
0
0
D4 D5 D6 D7
0
Upper
0
Upper
data
data
0
2nd byte
0
0
0
0
0
HD66712U
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