MM1423 データシートの表示（PDF） - Mitsumi
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MM1423 Datasheet PDF : 13 Pages
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MITSUMI
Canal+Compatible I2C Bus Controlled 4-input 3-output AV Switch MM1422, 1423, 1442, 1443
Item
Data transfer waiting time
SCL start hold time
SCL low level hold time
SCL high level hold time
SCL start setup time
SDA data hold time
SDA data setup time
SCL rise time
SCL fall time
SCL stop setup time
Symbol
tBUF
tHD : STA
tLOW
tHIGH
tSU : STA
tHD : DAT
tSU : DAT
tR
tF
tSU : STO
Measurement conditions
Min. Typ. Max. Unit
4.7
µs
4.0
µs
4.7
µs
4.0
µs
4.7
µs
200
ns
250
ns
1000 ns
300 ns
4.0
µs
I2C BUS control signal
SDA
tBUF
tR
SCL
P
S t HD:STA t LOW
I2C BUS
tF
t HD:DAT t HIGH t SU:DAT t SU:STA Sr
t SU:STO P
SDA
SCL
S
12 3 45 67 8A1 23 78 A
P
S : Start Condition
P : Stop Condition
A : Acknowledge
I2C BUS (Inter IC BUS) is an inter bus system developed by Philips Co. It transmits and receives data through
2 (SDA, SCL) lines. Data are transmitted and received in the units of bytes by MSB first from the start
condition.
[Control registers]
Control registers are data sent from the master for determining the switch condition of the MM1422 series.
Slave address
R/W
Control Register 1
Control Register 2
S
A
A
AP
1 0 0 1 0 0 0 0 b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0
Address byte
Control data
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