NJU6635 New Japan Radio Co.,Ltd, NJU6635 Datasheet - Page 27

• Manufacturer Part Number: NJU6635
• Description: 16-character 2-line Dot Matrix Lcd Controller Driver
• Manufacturer: New Japan Radio Co.,Ltd

Bus timing characteristics
Enable Cycle Time
Enable
Width
Enable Rise Time, Fall Time
Set up Time
Address Hold Time
Data Set up Time
Data Hold Time
Enable Cycle Time
Enable
Time
Enable Rise Time, Fall Time
Set up Time
Address Hold Time
Data Delay Time
Data Hold Time
Write operation sequence (write from MPU to NJU6635)
Read operation sequence ( Read from NJU6635 to MPU)
Fig.1 The timing characteristics of the bus write operating sequence.(Write from MPU to NJU6635)
Fig.2 The timing characteristics of the bus write operating sequence.(Write from NJU6635 to MPU)
Pulse
Pulse
PARAMETER
PARAMETER
RS
R/W
E
DB
RS
R/W
E
DB
“High” level
“High” level
Low” level
Low” level
RS, R/W-E
RS, R/W-E
0
0
– DB
– DB
7
7
t
t
Er
Er
V
V
V
V
V
V
V
V
IH
IL
IL
IH
IL
IH
t
t
AS
IL
AS
IL
SYMBOL
SYMBOL
PW
PW
PW
PW
t
t
t
t
Er
t
Er
t
t
CYCE
CYCE
DSW
t
t
t
t
DDR
DHR
t
AS
AH
AS
AH
, t
, t
H
EH
EH
EL
V
EL
V
Ef
Ef
IH
IH
t
DDR
PW
PW
V
V
(V
V
V
IH
OH
IL
OL
MIN
MIN
500
220
280
EH
500
220
280
EH
DD
40
10
60
10
40
10
20
–
–
–
t
V
V
=4.5 to 5.5V, V
DSW
t
t
IH
CYCE
CYCE
IH
Data
Data
V
V
V
V
t
MAX
MAX
t
t
t
t
V
t
DHR
IH
IL
AH
AH
240
IH
IL
AH
AH
V
H
20
20
IL
–
–
–
–
–
–
–
–
–
–
–
–
–
IL
t
t
Ef
Ef
V
V
V
V
IH
OH
IL
OL
PW
PW
V
V
IL
IH
SS
EL
EL
=0V, Ta=-20 to 75 C)
UNIT
UNIT
ns
ns
V
V
IL
IL
NJU6635
CONDITION
CONDITION
Fig.1
Fig.2