HD66727 Datasheet, PDF (90/97 Pages) Hitachi Semiconductor – Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function

HD66727
Clock-Synchronized Serial Interface Timing
Item
Symbol Min Typ Max Unit
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
t _SCYC
t _SCH
t _SCL
t_scr, t_scf
t _CSU
t _CH
t _SISU
t _SIH
t _SOD
t _SOH
1
—
400 —
400 —
—
—
60
—
200 —
200 —
200 —
—
—
0
—
20
µs
—
ns
—
ns
50
ns
—
ns
—
ns
—
ns
—
ns
400 ns
—
ns
Test Condition
Figures 57 and 58
Figures 57 and 58
Figures 57 and 58
Figures 57 and 58
Figures 57 and 58
Figures 57 and 58
Figure 57
Figure 57
Figure 58
Figure 59
I²C bus Interface Timing
Item
Symbol Min
Typ
SCL clock cycle time
SCL clock high-level width
SCL clock low-level width
SCL/SDA rise/fall time
Bus free time
Bus free time
Start hold time
Retransmit start set-up time
Stop set-up time
SDA data set-up time
SDA data set-up time
SDA data hold time
t _SCL
t _SCLH
t _SCLL
t_sr, t_sf
t _BUF
t _BUF
t _STAH
t _STAS
t _STOS
t _SDAS
t _SDAS
t _SDAH
2
—
500
—
1000 —
—
—
140
—
100
—
500
—
500
—
500
—
140
—
100
—
0
—
Max
20
—
—
300
—
—
—
—
—
—
—
—
Unit
Test Condition
µs
Figure 59
ns
Figure 59
ns
Figure 59
ns
Figure 59
ns
V_CC = 2.4–4.5V
ns
V_CC = 4.5–5.5V
ns
Figure 59
ns
Figure 59
ns
Figure 59
ns
V_CC=2.4V–4.5V
ns
V_CC =4.5V–5.5V
ns
Figure 59
Reset Timing
Item
Reset low-level width
Symbol Min
Typ
Max
Unit
Test Condition
t _RES
10
—
—
ms
Figure 60
90