hd66712u Renesas Electronics Corporation., hd66712u Datasheet - Page 40

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

i) Continuous data write by boring processing
SCLK
(input)
SID
(input)
SOD
(output)
ii) Continuous data write by CPU wait insert
SCLK
(input)
SID
(input)
iii) Continuous data read by CPU wait insert
SCLK
(input)
SID
(input)
SOD
(output)
Figure 15 Procedure for Continuous Data Transfer
Start
Start
Start
byte
byte
byte
Instruction (1)
Execution time
1st byte
1st byte
Instruction (1)
Instruction (1)
2nd byte
2nd byte
Wait
Wait
Instruction (1)
Execution
time
Instruction (1)
Execution time
1st byte
Instruction (2)
Start
byte
2nd byte
read (1)
Data
Instruction waiting time (not busy state)
Busy
read
Instruction (2)
Execution time
Instruction (2)
Execution time
Wait
Wait
Start
byte
1st byte
Instruction (3)
1st byte
2nd byte
Instruction (2)
read (2)
Data
2nd byte
Instruction (3)
Execution time
HD66712U
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