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 3 of 29
NXP Semiconductors
PCA9701; PCA9702
18 V tolerant SPI 16-bit/8-bit GPI with INT
5. Block diagram
(1) n = 15 for PCA9701; n = 7 for PCA9702
Fig 1. Block diagram of PCA9701; PCA9702
CS
SCLK
SDIN
SDOUT
INT
002aac422
SHIFT
REGISTER
DFF0
IN0
DFF1
IN1
DFFn
(1)
INn
(1)
PCA9701/PCA9702
V
SS
V
DD
INT_EN
INPUT
STATUS
REGISTER
20 μA