M35071 Mitsubishi, M35071 Datasheet - Page 27

• Manufacturer Part Number: M35071
• Description: SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
• Manufacturer: Mitsubishi

TIMING REQUIREMENTS
Data input
Note. C
Fig. 15 Data input timing
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.
Clock frequency
HIGH period of Clock
LOW period of Clock
SDA & SCL rise time
SDA & SCL fall time
Hold time at START status
Set up time at START status
Data input hold time
Data input setup time
Set up time at STOP state
Bus release time
Input filter / spike suppress (SDA & SCL pin)
tsu :
STA
t
SP
Parameter
t
F
t
HD
:
STA
t
t
HIGH
HD
:
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
1300
1300
Min.
600
600
600
100
600
(Note)
(Note)
0
0
0
B
B
MITSUBISHI MICROCOMPUTERS
M35071-XXXSP/FP
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
27