PCA9539APW 查看數據表（PDF） - NXP Semiconductors.

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PCA9539APW

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

NXP Semiconductors. 

NXP Semiconductors

PCA9539A

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

5. Pinning information

5.1 Pinning

INT 1

A1 2

RESET 3

P0_0 4

P0_1 5

P0_2 6

P0_3 7

P0_4 8

P0_5 9

P0_6 10

P0_7 11

VSS 12

PCA9539APW

24 VDD

23 SDA

22 SCL

21 A0

20 P1_7

19 P1_6

18 P1_5

17 P1_4

16 P1_3

15 P1_2

14 P1_1

13 P1_0

002aag160

Fig 2. Pin configuration for TSSOP24

PCA9539AHF

terminal 1

index area

P0_0 1

P0_1 2

P0_2 3

P0_3 4

P0_4 5

P0_5 6

18 A0

17 P1_7

16 P1_6

15 P1_5

14 P1_4

13 P1_3

Transparent top view

002aag161

Fig 3. Pin configuration for HWQFN24

5.2 Pin description

Table 3.

Symbol

INT

Pin description

Pin

Type

TSSOP24 HWQFN24

1

22

O

A1

2

RESET 3

23

I

24

I

P0_0[2] 4

P0_1[2] 5

P0_2[2] 6

P0_3[2] 7

P0_4[2] 8

P0_5[2] 9

P0_6[2] 10

P0_7[2] 11

VSS

12

P1_0[3] 13

P1_1[3] 14

P1_2[3] 15

P1_3[3] 16

P1_4[3] 17

P1_5[3] 18

1

I/O

2

I/O

3

I/O

4

I/O

5

I/O

6

I/O

7

I/O

8

I/O

9[1]

power

10

I/O

11

I/O

12

I/O

13

I/O

14

I/O

15

I/O

Description

Interrupt output. Connect to VDD through a

pull-up resistor.

Address input 1. Connect directly to VDD or VSS.

Active LOW reset input. Connect to VDD through

a pull-up resistor if no active connection is used.

Port 0 input/output 0.

Port 0 input/output 1.

Port 0 input/output 2.

Port 0 input/output 3.

Port 0 input/output 4.

Port 0 input/output 5.

Port 0 input/output 6.

Port 0 input/output 7.

Ground.

Port 1 input/output 0.

Port 1 input/output 1.

Port 1 input/output 2.

Port 1 input/output 3.

Port 1 input/output 4.

Port 1 input/output 5.

PCA9539A

Product data sheet

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

Rev. 1 — 26 September 2012

© NXP B.V. 2012. All rights reserved.

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