PCA8575 查看數據表（PDF） - Philips Electronics
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PCA8575 Datasheet PDF : 30 Pages
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NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I2C-bus with interrupt
write pulse
data from Shift Register
power-on reset
DQ
FF
CI
S
Itrt(pu)
IOH
100 µA
IOL
VDD
P00 to P07
P10 to P17
VSS
read pulse
data to Shift Register
DQ
FF
CI
S
to interrupt logic
002aab631
Fig 2. Simplified schematic diagram of P00 to P17
6. Pinning information
6.1 Pinning
INT 1
AD1 2
AD2 3
P00 4
P01 5
P02 6
P03 7
P04 8
P05 9
P06 10
P07 11
VSS 12
PCA8575D
24 VDD
23 SDA
22 SCL
21 AD0
20 P17
19 P16
18 P15
17 P14
16 P13
15 P12
14 P11
13 P10
002aac670
Fig 3. Pin configuration for SO24
INT 1
AD1 2
AD2 3
P00 4
P01 5
P02 6
P03 7
P04 8
P05 9
P06 10
P07 11
VSS 12
PCA8575PW
24 VDD
23 SDA
22 SCL
21 AD0
20 P17
19 P16
18 P15
17 P14
16 P13
15 P12
14 P11
13 P10
002aac671
Fig 4. Pin configuration for TSSOP24
PCA8575_1
Objective data sheet
Rev. 01 — 30 November 2006
© NXP B.V. 2006. All rights reserved.
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