SX1504 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SX1504

4/8/16 Channel GPIO with NINT and NRESET

Semtech Corporation 

ADVANCED COMMUNICATIONS & SENSING

SX1504/SX1505/SX1506

4/8/16 Channel GPIO

1 PIN DESCRIPTION

1.1 SX1504 4-channel GPIO

Pin Symbol Type Description

A: Analog

D: Digital

I: Input

O: Output

P: Power

1

NRESET

2

SDA

3

NC1

4

SCL

5

I/O[0]

6

I/O[1]

7

VCC1

8

GND

9

I/O[2]

10

I/O[3]

11

NINT

12

ADDR

13

NC2

14

VDDM

15

NC3

16

NC4

17

NC7

18

GND

19

NC5

20

NC6

DIO

DIO

-

DI

DIO (*1)

DIO (*1)

P

P

DIO (*1)

DIO (*1)

DO

DI

-

P

-

-

-

P

-

-

Active low reset

I2C serial data line

Leave open, not connected

I2C serial clock line

I/O[0], at power-on configured as an input

I/O[1], at power-on configured as an input

I/O supply voltage

Ground Pin

I/O[2], at power-on configured as an input

High sink I/O.

I/O[3], at power-on configured as an input

High sink I/O.

Active low interrupt output

Address input, connect to VDDM or GND

Leave open, not connected

Main supply voltage

Leave open, not connected

Leave open, not connected

Connect to VCC1

Ground Pin

Leave open, not connected

Leave open, not connected

(*1) This pin is programmable through the I2C interface

Table 1 – SX1504 Pin Description

NRESET

SDA

NC1

SCL

I/O[0]

GND

(PAD)

NC3

VDDM

NC2

ADDR

NINT

Rev 1 – 3rd Oct. 2008

Figure 1 – SX1504 QFN-UT-20 Pinout

4

www.semtech.com

Share Link: