CY8C20134, CY8C20234, CY8C20334

CY8C20434, CY8C20534, CY8C20634

Document Number: 001-05356 Rev. *O

Page 11 of 47

16-Pin Part Pinout

Figure 5. CY8C20234 16-Pin PSoC Device

Table 5. Pin Definitions – CY8C20234 16-Pin (QFN no e-pad)

Pin No.

Type

Name

Description

Digital

Analog

1

I/O

I

P2[5]

2

I/O

I

P2[1]

3

I

P1[7]

4

I

P1[5]

5

I

P1[3]

SPI CLK

6

I

P1[1]

7

Power

Ground connection

8

I

P1[0]

9

I

P1[2]

10

I

P1[4]

Optional external clock input (EXTCLK)

11

Input

XRES

Active high external reset with internal pull-down

12

I/O

I

P0[4]

13

Power

Supply voltage

14

I/O

I

P0[7]

15

I/O

I

P0[3]

Integrating Input

16

I/O

I

P0[1]

A = Analog, I = Input, O = Output, OH = 5 mA High Output Drive

QFN

(Top View)

AI, P2[5]

AI, I2C SCL, SPI SS, P1[7]

AI, I2C SDA, SPI MISO, P1[5]

1

2

3

4

11

10

9

P0[4], AI

P1[2], AI

AI, P2[1]

P1[4], AI, EXTCLK

XRES

12

Note

6. These are the ISSP pins, that are not High Z at POR (Power-on-Reset). See the PSoC Technical Reference Manual for details.

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