PCA9535CD datasheet(16/32 Pages) NXP

tên linh kiện	PCA9535CD

Giải thích chi tiết về linh kiện	16-bit I2C-bus and SMBus, low power I/O port with interrupt

PDF	32 Pages

Scroll/Zoom	100%

nhà sản xuất	NXP [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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16 / 32 page

PCA9535_PCA9535C_3

Product data sheet

Rev. 03 — 4 October 2007

16 of 32

NXP Semiconductors

PCA9535; PCA9535C

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

Application design-in information

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

PCA9535

IO0_0

IO0_1

SCL

SDA

VDD

(5 V)

MASTER

CONTROLLER

SCL

SDA

INT

IO0_2

VDD

GND

INT

10 k

Ω

SUB-SYSTEM 1

(e.g., temp sensor)

IO0_3

INT

SUB-SYSTEM 2

(e.g., counter)

RESET

controlled

switch

(e.g., CBT device)

VDD

ENABLE

SUB-SYSTEM 3

(e.g., alarm system)

ALARM

IO0_4

IO0_5

IO0_6

10 DIGIT

NUMERIC

KEYPAD

VSS

002aac225

10 k

Ω

10 k

Ω

2 k

Ω

100 k

Ω

(

×3)

IO0_7

IO1_0

IO1_1

IO1_2

IO1_3

IO1_4

IO1_5

IO1_6

IO1_7

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