參數(shù)資料
型號: HD66728
廠商: Hitachi,Ltd.
英文描述: 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器)
中文描述: 112 × 80點圖形LCD控制器/驅動器(112 × 80點圖形液晶顯示控制器)
文件頁數(shù): 126/138頁
文件大小: 2158K
代理商: HD66728
HD66728
126
80-system Bus Interface Timing Characteristics
(Vcc = 1.8 to 2.7 V)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Bus cycle time
Write
t
CYCW
t
CYCR
PW
LW
PW
LR
PW
HW
PW
HR
t
WRr
,
WRf
t
AS
t
AH
t
DSW
t
H
t
DDR
t
DHR
600
ns
Figure 76
Read
800
ns
Figure 76
Write low-level pulse width
120
ns
Figure 76
Read low-level pulse width
350
ns
Figure 76
Write high-level pulse width
300
ns
Figure 76
Read high-level pulse width
300
ns
Figure 76
Write/Read rise/fall time
25
ns
Figure 76
Setup time (RS to CS*, WR*, RD*)
50
ns
Figure 76
Address hold time
20
ns
Figure 76
Write data setup time
60
ns
Figure 76
Write data hold time
20
ns
Figure 76
Read data delay time
300
ns
Figure 76
Read data hold time
5
ns
Figure 76
(Vcc = 2.7 to 5.5 V)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Bus cycle time
Write
t
CYCW
t
CYCR
PW
LW
PW
LR
PW
HW
PW
HR
t
WRr, WRf
t
AS
t
AH
t
DSW
t
H
t
DDR
t
DHR
380
ns
Figure 76
Read
500
ns
Figure 76
Write low-level pulse width
70
ns
Figure 76
Read low-level pulse width
250
ns
Figure 76
Write high-level pulse width
150
ns
Figure 76
Read high-level pulse width
150
ns
Figure 76
Write/Read rise/fall time
25
ns
Figure 76
Setup time (RS to CS*, WR*, RD*)
50
ns
Figure 76
Address hold time
20
ns
Figure 76
Write data setup time
60
ns
Figure 76
Write data hold time
20
ns
Figure 76
Read data delay time
200
ns
Figure 76
Read data hold time
5
ns
Figure 76
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