Datasheet

PCA9541A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 24 April 2014 4 of 45
NXP Semiconductors
PCA9541A
2-to-1 I
2
C-bus master selector with interrupt logic and reset
5. Block diagram
Fig 1. Block diagram of PCA9541A
PCA9541A
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INPUT
FILTER
SCL_MST0
SDA_MST0
STOP
DETECTION
A3
A2
A1
A0
POWER-ON
RESET
I
2
C-BUS
CONTROL
AND
REGISTER
BANK
RESET
V
DD
INPUT
FILTER
SCL_MST1
SDA_MST1
STOP
DETECTION
BUS
SENSOR
SLAVE
CHANNEL
SWITCH
CONTROL
LOGIC
SCL_SLAVE
SDA_SLAVE
BUS
RECOVERY/
INITIALIZATION
OSCILLATOR
INTERRUPT
LOGIC
V
SS
INT0
INT1
INT_IN