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| CAT9557 Datasheet, PDF (7/17 Pages) ON Semiconductor – 8-Bit I2C-Bus and SMBus I/O Port | |||
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CAT9557
SDA
tBUF
SCL
P
S
tLOW
tr
tf
tHD;STA
tHD;STA
tHD;DAT
tHIGH
tSU;DAT
tSU;STA
Sr
Figure 5. Definition of Timing on the I2Câbus
tSP
tSU;STO
P
START
SCL
ACK or read cycle
SDA
RESET 50%
IOn
30%
trst
trec(rst)
50%
tw(rst)
50%
trst
50%
I/O configured
as inputs
Figure 6. Definition of RESET Timing
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