|
HD66712 Datasheet, PDF (79/88 Pages) Hitachi Semiconductor – Dot-Matrix Liquid Crystal Display Controller/Driver | |||
|
◁ |
HD66712U
Serial Interface Sequence
Item
Serial clock cycle time
Serial clock (high level width)
Serial clock (low level width)
Serial clock rise/fall time
Chip select set-up time
Chip select hold time
Serial input data set-up time
Serial input data hold time
Serial output data delay time
Serial output data hold time
Symbol
tSCYC
tSCH
tSCL
t , t SCr SCf
tCSU
tCH
tSISU
tSIH
tSOD
tSOH
Min
0.5
200
200
â
60
100
100
100
â
0
Typ
â
â
â
â
â
â
â
â
â
â
Max Unit
20
µs
â
ns
â
50
â
â
â
â
160
â
Test Condition
Figure 36
Segment Extension Signal Timing (VCC = 2.7V to 5.5V, Ta = â20 to +75°C*3)
Item
Symbol Min
Typ
Clock pulse width High level tCWH
Low level tCWL
Clock set-up time
tCSU
Data set-up time
tSU
Data hold time
tDH
M delay time
tDM
Clock rise/fall time
tct
800
â
800
â
500
â
300
â
300
â
â1000 â
â
â
Max
â
â
â
â
â
1000
100
Unit
ns
Test Condition
Figure 37
Reset Timing (VCC = 2.7V to 5.5V, Ta = â20 to +75°C*3)
Item
Reset low-level width
Symbol Min
Typ
Max
Unit
Test Condition
tRES
10
â
â
ms
Figure 38
Power Supply Conditions Using Internal Reset Circuit
Item
Power supply rise time
Power supply off time
Symbol Min
Typ
Max
Unit
Test Condition
trCC
0.1
â
10
ms
Figure 39
tOFF
1
â
â
442
|
▷ |