CY8C24X23A datasheet(11/43 Pages) CYPRESS

Part #	CY8C24X23A

Description	PSoC Programmable System-on-Chip Low power at high speed

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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11 / 43 page

CY8C21123, CY8C21223, CY8C21323

Document Number: 38-12022 Rev. *Q

Page 11 of 43

24-Pin Part Pinout

Table 6. Pin Definitions – CY8C21323 24-Pin QFN[5]

No.

Type

Name

Description

Figure 7. CY8C21323 24-Pin QFN

Digital

Analog

1

I/O

I

P0[1]

Analog column mux input

2

Power

SMP

SMP connection to required external

components

3

Power

VSS

Ground connection

4

I/O

P1[7]

I2C SCL

5

I/O

P1[5]

I2C SDA

6

I/O

P1[3]

7

I/O

P1[1]

I2C SCL, ISSP-SCLK[3]

8

NC

No connection

9

Power

VSS

Ground connection

10

I/O

P1[0]

I2C SDA, ISSP-SDATA[3]

11

I/O

P1[2]

12

I/O

P1[4]

Optional (EXTCLK) input

13

I/O

P1[6]

14

Input

XRES

Active high external reset with internal

pull-down

15

NC

No connection

16

I/O

I

P0[0]

Analog column mux input

17

I/O

I

P0[2]

Analog column mux input

18

I/O

I

P0[4]

Analog column mux input

19

I/O

I

P0[6]

Analog column mux input

20

Power

VDD

Supply voltage

21

Power

VSS

Ground connection

22

I/O

I

P0[7]

Analog column mux input

23

I/O

I

P0[5]

Analog column mux input

24

I/O

I

P0[3]

Analog column mux input

LEGEND A = Analog, I = Input, and O = Output.

QFN

(Top View)

A, I, P0[1]

SMP

VSS

I2C SCL, P1[7]

I2C SDA, P1[5]

P1[3]

1

2

3

4

5

6

18

17

16

15

14

13

P0[4], A, I

P0[2], A, I

NC

XRES

P1[6]

P0[0], A, I

Note

5. The center pad on the QFN package must be connected to ground (VSS) for best mechanical, thermal, and electrical performance. If not connected to ground, it

must be electrically floated and not connected to any other signal.

[+] Feedback

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