CY8C24423A-24SXIT datasheet(11/65 Pages) CYPRESS

Part #	CY8C24423A-24SXIT

Description	PSoC짰 Programmable System-on-Chip

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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11 / 65 page

CY8C24123A

CY8C24223A

CY8C24423A

Document Number: 38-12028 Rev. *R

Page 11 of 65

32-Pin Part Pinout

Notes

6. 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.

7. These are the ISSP pins, which are not high Z at POR. See the PSoC Technical Reference Manual for details.

Table 5. 32-Pin QFN[6]

Pin No.

Type

Name

Description

Figure 6. CY8C24423A 32-Pin PSoC Device

Digital

Analog

1

I/O

P2[7]

2

I/O

P2[5]

3

I/O

I

P2[3]

Direct switched capacitor block input

4

I/O

I

P2[1]

Direct switched capacitor block input

5

Power

VSS

Ground connection

6

Power

SMP

SMP connection to external components

required

7

I/O

P1[7]

I2C SCL

8

I/O

P1[5]

I2C SDA

9

NC

No connection. Pin must be left floating

10

I/O

P1[3]

11

I/O

P1[1]

XTALin, I2C SCL, ISSP-SCLK[7]

12

Power

VSS

Ground Connection

13

I/O

P1[0]

XTALout, I2C SDA, ISSP-SDATA[7]

14

I/O

P1[2]

15

I/O

P1[4]

Optional EXTCLK

16

NC

No connection. Pin must be left floating

17

I/O

P1[6]

18

Input

XRES Active high external reset with internal

pull-down

19

I/O

I

P2[0]

Direct switched capacitor block input

20

I/O

I

P2[2]

Direct switched capacitor block input

21

I/O

P2[4]

External AGND

22

I/O

P2[6]

External VREF

23

I/O

I

P0[0]

Analog column mux input

24

I/O

I

P0[2]

Analog column mux input

25

NC

No connection. Pin must be left floating

26

I/O

I

P0[4]

Analog column mux input

27

I/O

I

P0[6]

Analog column mux input

28

Power

VDD

Supply voltage

29

I/O

I

P0[7]

Analog column mux input

30

I/O

P0[5]

Analog column mux input and column

output

31

I/O

P0[3]

Analog column mux input and column

output

32

I/O

I

P0[1]

Analog column mux input

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

P2[7]

P2[5]

A, I, P2[3]

A, I, P2[1]

VSS

SMP

QFN

(Top View)

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

I2C SCL, P1[7]

I2C SDA, P1[5]

P0[2], A, I

P0[0], A, I

XRES

P1[6]

P2[6], External VRef

P2[4], External AGND

P2[2], A, I

P2[0], A, I

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