M62398FP データシートの表示（PDF） - MITSUBISHI ELECTRIC
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M62398FP Datasheet PDF : 7 Pages
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MITSUBISHI <Dig./Ana. INTERFACE>
M62398P,FP
8BIT 12CH I2C BUS D–A CONVERTER WITH BUFFER AMPLIFIERS
I2C BUS LINE CHARACTERISTICS
Symbol
Parameter
fSCL
SCL clock frequency
Normal mode
Min. Max.
0
100
tBUF
Time the bus must be free before a new transmission can start 4.7
-
High speed mode units
Min. Max.
0
400 KHz
1.3
-
µs
tHD:STA
Hold time START Condition. After this period,the first clock
pulse is generated.
4.0
-
0.6
-
µs
tLOW LOW period of the clock
4.7
-
1.3
-
µs
tHIGH High period of the clock
4.0
-
tSU:STA
Set-up time for START condition (Only relevant for a repeated
START condition)
4.7
-
tHD:DAT Hold time DATA
0
-
tSU:DAT Set-up time DATA
250
-
0.6
-
µs
4.7
-
µs
0
0.9 µs
100
-
ns
tR
Rise time of both SDA and SCL lines
tF
Fall time of both SDA and SCL lines
tSU:STO Set-up time for STOP condition
-
1000
20+
300 ns
-
300
20+
300 ns
4.0
-
0.6
-
µs
*Note that a transmitter must internally provide at least a hold time to bridge the undefined
region (max.300 ns) of the falling edge of SCL.
TIMING CHART
tR, tF
tBUF
VIH
SDA
VIL
VIH
SCL
VIL
tHD:STA
START
tSU:DAT
tHD:DAT
tLOW
tHIGH
tSU:STA
START
tSU:STO
STOP
START
MITSUBISHI ELECTRIC
1997-5-28D.rev ( 4 / 7)
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