m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 127

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

26. MULTI-MASTER I
Note: C
Fig.26.1 Definition Diagram of Timing on Multi-master I
Rev. 1.0
t
t
t
t
t
t
t
t
t
t
BUF
HD; STA
LOW
R
HD; DAT
HIGH
F
SU; DAT
SU; STA
SU; STO
Symbol
b
= total capacitance of 1 bus line
SDA
SCL
Bus free time
Hold time for START condition
LOW period of SCL clock
Rising time of both SCL and SDA signals
Data hold time
HIGH period of SCL clock
Falling time of both SCL and SDA signals
Data set-up time
Set-up time for repeated START condition
Set-up time for STOP condition
P
t
BUF
t
HD
S
;
STA
2
t
LOW
C-BUS BUS LINE CHARACTERISTICS
t
t
R
HD
;
DAT
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Parameter
t
HIGH
2
C-BUS
M37280MF–XXXSP, M37280MK–XXXSP
t
F
t
SU
;
DAT
t
SU
;
STA
Sr
Standard clock mode High-speed clock mode
Min.
250
4.7
4.0
4.7
4.0
4.7
4.0
0
t
and ON-SCREEN DISPLAY CONTROLLER
HD
;
STA
S
Sr
P
MITSUBISHI MICROCOMPUTERS
: Start condition
: Restart condition
: Stop condition
Max.
1000
300
t
SU
20+0.1C
20+0.1C
;
STO
M37280EKSP
Min.
100
1.3
0.6
1.3
0.6
0.6
0.6
0
b
b
P
Max.
300
300
0.9
Unit
ns
ns
ns
s
s
s
s
s
s
s
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