SX1501I087TRT(2008) Просмотр технического описания (PDF) - Semtech Corporation

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производитель

SX1501I087TRT
(Rev.:2008)

4/8/16 Channel Low Voltage GPIO with NINT and NRESET

Semtech Corporation 

SX1501/SX1502/SX1503

4/8/16 Channel Low Voltage GPIO

ADVANCED COMMUNICATIONS & SENSING

4 BLOCK DETAILED DESCRIPTION

4.1 SX1501 4-channel GPIO

VDDM

NRESET

SCL

SDA

ADDR

Reset

Input

Filter

I2C Bus

Control

4-Bit

R/W

I/O Bank A

A

SX1501

Interrupt

VCC1

I/O[0]

I/O[1]

I/O[2]

I/O[3]

NINT

GND

Figure 4 – 4-channel Low Voltage GPIO

4.2 SX1502 8-channel GPIO

VDDM

NRESET

SCL

SDA

ADDR

Reset

Input

Filter

I2C Bus

Control

I/O Bank A

A

8-Bit

R/W

I/O Bank B

A

SX1502

Interrupt

GND

Figure 5 – 8-channel Low Voltage GPIO

VCC1

I/O[0]

I/O[1]

I/O[2]

I/O[3]

VCC2

I/O[4]

I/O[5]

I/O[6]

I/O[7]

NINT

Rev 7 – 2nd Oct. 2008

13

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