PCA9541 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

PCA9541

2-to-1 I2C master selector with interrupt logic and reset

Philips Electronics 

Philips Semiconductors

2-to-1 I2C master selector with interrupt logic and reset

Product data sheet

PCA9541

BLOCK DIAGRAM

PCA9541

SCL_MST0

SDA_MST0

INPUT

FILTER

A3

A2

A1

A0

RESET

VDD

SCL_MST1

SDA_MST1

POWER-ON

RESET

INPUT

FILTER

STOP

DETECTION

I2C-BUS

CONTROL

AND

REGISTER

BANK

BUS

SENSOR

SLAVE

CHANNEL

SWITCH

CONTROL

LOGIC

SCL_SLAVE

SDA_SLAVE

STOP

DETECTION

BUS

RECOVERY/

INITIALIZATION

OSCILLATOR

INT0

INT1

INTERRUPT

LOGIC

INT_IN

Figure 3. Block diagram

VSS

SW02009

2004 Oct 01

4

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