SX1506I091TRT datasheet(2/33 Pages) SEMTECH

Part #	SX1506I091TRT

Description	4/8/16 Channel GPIO with NINT and NRESET

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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2 / 33 page

ADVANCED COMMUNICATIONS & SENSING

Rev 1 – 3

rd Oct. 2008

www.semtech.com

2

SX1504/SX1505/SX1506

4/8/16 Channel GPIO

Table of Contents

GENERAL DESCRIPTION ..................................................................................................................... 1

ORDERING INFORMATION................................................................................................................... 1

KEY PRODUCT FEATURES.................................................................................................................. 1

TYPICAL APPLICATIONS ..................................................................................................................... 1

1

PIN DESCRIPTION ...................................................................................................................... 4

1.1

SX1504 4-channel GPIO

4

1.2

SX1505 8-channel GPIO

5

1.3

SX1506 16-channel GPIO

6

2

ELECTRICAL CHARACTERISTICS............................................................................................... 7

2.1

Absolute Maximum Ratings

7

2.2

Electrical Specifications

7

3

TYPICAL OPERATING CHARACTERISTICS ............................................................................... 10

3.1

IDDM vs. VDDM

10

3.2

VOL vs. IOL

10

3.3

VOH vs. IOH

11

4

BLOCK DETAILED DESCRIPTION ............................................................................................. 12

4.1

SX1504 4-channel GPIO

12

4.2

SX1505 8-channel GPIO

12

4.3

SX1506 16-channel GPIO

13

4.4

Reset (NRESET)

13

4.5

2-Wire Interface (I

2C)

14

4.5.1

WRITE

14

4.5.2

READ

15

4.5.3

READ - STOP separated format (SX1504 and SX1505 only)

15

4.6

Interrupt (NINT)

16

4.7

Programmable Logic Functions (PLD)

16

4.7.1

SX1504

16

4.7.2

SX1505

17

4.7.3

SX1506

17

4.7.4

Tutorial

18

5

CONFIGURATION REGISTERS.................................................................................................. 19

5.1

SX1504 4-channel GPIO

19

5.2

SX1505 8-channel GPIO

20

5.3

SX1506 16-channel GPIO

22

6

APPLICATION INFORMATION ................................................................................................... 26

6.1

Typical Application Circuit

26

6.2

Typical LED Operation

26

6.2.1

LED ON/OFF Control

26

6.2.2

LED Intensity Control

27

6.3

Keypad Implementation

27

6.4

Level Shifter Implementation Hints

27

7

PACKAGING INFORMATION ..................................................................................................... 28

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