m35076 Renesas Electronics Corporation., m35076 Datasheet - Page 31

• Manufacturer Part Number: m35076
• Description: Screen Character And Pattern Display Controllers
• Manufacturer: Renesas Electronics Corporation.

(3) Timing requirement
Data input
Note. C
Fig. 18 Data input timing
30
f
t
t
t
t
t
t
t
t
t
t
t
CLK
HIGH
LOW
R
F
HD
SU
HD
SU
SU
BUF
SP
Symbol
: STA
: STA
: DAT
: DAT
: STO
SDA
SCL
B
= total capacitance of 1 bus line.
SDA & SCL rise time
Set up time at START status
Data input hold time
Set up time at STOP state
Bus release time
Input filter / spike suppress (SDA & SCL pin)
Clock frequency
HIGH period of Clock
LOW period of Clock
SDA & SCL fall time
Hold time at START status
Data input setup time
tsu :
STA
t
SP
Parameter
t
F
t
HD
:
STA
t
t
HD
HIGH
:
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
DAT
4000
4700
4000
4700
4000
4700
Min.
250
N/A
0
–
–
0
Typ. mode
t
LOW
Max.
1000
100
300
N/A
–
–
–
–
–
–
–
–
t
SU
Limits
:
DAT
20+
20+
High-speed mode
0.1C
0.1C
M35076-XXXSP
1300
1300
Min.
600
600
600
100
600
(Note)
(Note)
0
0
0
B
B
MITSUBISHI MICROCOMPUTERS
Max.
400
300
300
50
–
–
–
–
–
–
–
–
t
R
t
SU
KHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
:
t
STO
BUF
Only at START state
repeating generation
Time must be re-
leased bus before
next transmission
Remarks