PCA9535A_15 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCA9535A_15

Low-voltage 16-bit I2C-bus I/O port with interrupt

NXP Semiconductors. 

NXP Semiconductors

PCA9535A

Low-voltage 16-bit I2C-bus I/O port with interrupt

VDD

a. Interrupt load configuration

DUT

RL = 4.7 kΩ

INT

CL = 100 pF

002aah069

START condition

slave address

acknowledge

from slave

R/W

8 bits (one data byte)

from port

SDA S 1 1 1 0 1 A1 A0 1 A

DATA 1

acknowledge

from slave

no acknowledge

from master

data from port

STOP

condition

A

DATA 2

1P

INT

data into

port

SCL 1 2 3 4 5 6 7 8 9

trst(INT)

tv(INT)

A

A

ADDRESS

tsu(D)

DATA 1

B

trst(INT) B

DATA 2

INT

0.5 × VDD

tv(INT)

SCL R/W

A

trst(INT)

0.7 × VDD

0.3 × VDD

Pn

0.5 × VDD

INT

0.5 × VDD

View A - A

View B - B

002aah070

b. Voltage waveforms

CL includes probe and jig capacitance.

All inputs are supplied by generators having the following characteristics: PRR  10 MHz; Zo = 50 ; tr/tf  30 ns.

All parameters and waveforms are not applicable to all devices.

Fig 27. Interrupt load circuit and voltage waveforms

PCA9535A

Product data sheet

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

Rev. 1.1 — 29 May 2015

© NXP B.V. 2015. All rights reserved.

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