PCA9535BS 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCA9535BS

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

NXP Semiconductors. 

NXP Semiconductors

PCA9535; PCA9535C

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

8. Application design-in information

VDD

(5 V)

VDD

MASTER

CONTROLLER

SCL

SDA

INT

GND

10 kΩ

10 kΩ

10 kΩ

VDD

PCA9535

SCL

SDA

IO0_0

IO0_1

IO0_2

INT

IO0_3

IO0_4

IO0_5

IO0_6

IO0_7

IO1_0

IO1_1

IO1_2

IO1_3

IO1_4

A2

IO1_5

A1

IO1_6

A0

IO1_7

VSS

2 kΩ

100 kΩ

(×3)

SUB-SYSTEM 1

(e.g., temp sensor)

INT

10 DIGIT

NUMERIC

KEYPAD

SUB-SYSTEM 2

(e.g., counter)

RESET

A

ENABLE

B

controlled

switch

(e.g., CBT device)

SUB-SYSTEM 3

(e.g., alarm system)

ALARM

VDD

Device address configured as 1110 100Xb for this example.

IO0_0, IO0_2, IO0_3 configured as outputs.

IO0_1, IO0_4, IO0_5 configured as inputs.

IO0_6, IO0_7, and IO1_0 to IO1_7 configured as inputs.

Fig 17. Typical application

002aac225

PCA9535_PCA9535C

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 6 — 7 November 2017

© NXP Semiconductors N.V. 2017. All rights reserved.

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