PCA9535BS_08 查看數據表（PDF） - NXP Semiconductors.

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PCA9535BS_08

16-bit I2C-bus and SMBus, low power I/O port with interrupt

NXP Semiconductors. 

NXP Semiconductors

4. Block diagram

PCA9535; PCA9535C

16-bit I2C-bus and SMBus, low power I/O port with interrupt

PCA9535

PCA9535C

A0

A1

A2

SCL

SDA

INPUT

FILTER

VDD

VSS

POWER-ON

RESET

8-bit

write pulse

I2C-BUS/SMBus

CONTROL

read pulse

INPUT/

OUTPUT

PORTS

8-bit

write pulse

read pulse

INPUT/

OUTPUT

PORTS

IO1_0

IO1_1

IO1_2

IO1_3

IO1_4

IO1_5

IO1_6

IO1_7

IO0_0

IO0_1

IO0_2

IO0_3

IO0_4

IO0_5

IO0_6

IO0_7

VDD

Remark: All I/Os are set to inputs at reset.

Fig 1. Block diagram of PCA9535; PCA9535C

INT

002aac217

PCA9535_PCA9535C_5

Product data sheet

Rev. 05 — 15 September 2008

© NXP B.V. 2008. All rights reserved.

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