Datasheet

PCA9701_PCA9702 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 7 — 26 September 2014 13 of 29
NXP Semiconductors
PCA9701; PCA9702
18 V tolerant SPI 16-bit/8-bit GPI with INT
8.2.1.3 UJA107xA with PCA9701, standby
• UJA107xA SBC provides WBIAS pin for cyclic biasing of the inputs
• Compatible with UJA107xA based ASSPs
8.2.2 Application examples including switches to battery
Fig 11. UJA107xA with PCA9701 with supplied C (standby)
CS
SDIN
SDOUT
SCLK
002aae018
IN0
PCA9701
V
SS
V
DD
INT_EN
INT
IN1
IN15
alternate
PDTA144EU
BAT
UJA107xA
WAKE
V1 GND
V
CC
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