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PCA9701 Datasheet(PDF) 13 Page - NXP Semiconductors

Part # PCA9701
Description  18 V tolerant SPI 16-bit/8-bit GPI with INT
PDF  28 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9701 Datasheet(HTML) 13 Page - NXP Semiconductors

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PCA9701_PCA9702_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 11 November 2009
13 of 28
NXP Semiconductors
PCA9701; PCA9702
18 V tolerant SPI 16-bit/8-bit GPI with INT
8.2.1.3
UJA107x with PCA9701, standby
• UJA107x SBC provides WBIAS pin for cyclic biasing of the inputs
• Compatible with UJA107x based ASSPs
8.2.2 Application examples including switches to battery
Fig 11. UJA107x with PCA9701 with supplied
µC (standby)
CS
SDIN
SDOUT
SCLK
002aae018
IN0
PCA9701
VSS
VDD
INT_EN
INT
IN1
IN15
alternate
PDTA144EU
BAT
UJA107x
WAKE
V1
GND
VCC
µC
CSN
MOSI
MISO
SCLK
GND
WBIAS
BAT
Fig 12. Clamp 15 (ignition) detection
Fig 13. Switches to battery and ground with
cyclic biasing
002aae019
IN0
PCA9701
IN1
IN15
switch bias
clamp 15
002aae020
IN0
PCA9701
IN1
IN15
switch bias
BAT BAT



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