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| PCA9538 Datasheet, PDF (17/28 Pages) NXP Semiconductors – 8-bit I2C and SMBus low power I/O port with interrupt and reset | |||
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NXP Semiconductors
PCA9538
8-bit I2C-bus and SMBus low power I/O port with interrupt and reset
70 %
SCL
2
1
0
A
P
30 %
SDA
tsu(D) th(D)
input
INT
tv(INT)
Fig 17. Expanded view of read input port register
trst(INT)
50 %
002aae641
70 %
SCL
2
1
0
A
P
SDA
tv(Q)
output
Fig 18. Expanded view of write to output port register
50 %
002aad735
PCA9538_5
Product data sheet
Rev. 05 â 28 May 2009
© NXP B.V. 2009. All rights reserved.
17 of 28
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