參數(shù)資料
型號(hào): M37281MKH-XXXSP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述: 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù): 127/172頁
文件大?。?/td> 1319K
代理商: M37281MKH-XXXSP
Rev.1.01 2003.07.16 page 127 of 170
M37281MAH
XXXSP,M37281MFH
XXXSP,M37281MKH
XXXSP, M37281EKSP
15. MULTI-MASTER I
2
C-BUS BUS LINE CHARACTERISTICS
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
t
BUF
t
HD; STA
t
LOW
t
R
t
HD; DAT
t
HIGH
t
F
t
SU; DAT
t
SU; STA
t
SU; STO
Max.
1000
300
Min.
1.3
0.6
1.3
20+0.1C
b
0
0.6
20+0.1C
b
100
0.6
0.6
Max.
300
0.9
300
μ
s
μ
s
μ
s
ns
μ
s
μ
s
ns
ns
μ
s
μ
s
Unit
Standard clock mode High-speed clock mode
Min.
4.7
4.0
4.7
Parameter
Symbol
Note:
C
b
= total capacitance of 1 bus line
Fig.15.1 Definition Diagram of Timing on Multi-master I
2
C-BUS
0
4.0
250
4.7
4.0
SDA
SCL
P
t
BUF
S
t
HD
;
STA
t
LOW
t
R
t
HD
;
DAT
t
HIGH
t
F
t
SU
;
DAT
t
SU
;
STA
Sr
P
t
SU
;
STO
t
HD
;
STA
S
Sr
P
: Start condition
: Restart condition
: Stop condition
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