CY8C20134, CY8C20234, CY8C20334

CY8C20434, CY8C20534, CY8C20634

Document Number: 001-05356 Rev. *O

Page 7 of 47

Pin Information

This section describes, lists, and illustrates the CY8C20234, CY8C20334, CY8C20434, CY8C20534, and CY8C20634 PSoC device

pins and pinout configurations.

The CY8C20x34 PSoC device is available in a variety of packages that are listed and shown in the following tables. Every port pin

of Digital I/O.

8-Pin SOIC Pinout

Figure 2. CY8C20134-12SXI 8-Pin SOIC Pinout

Table 2. Pin Definitions – CY8C20134 8-Pin (SOIC)

Pin No.

Digital

Analog

Name

Description

1

Power

Ground connection

2

I/O

I

P0[1]

Analog column mux input, integrating input

3

I/O

I

P1[7]

I2C serial clock (SCL)

4

I/O

I

P1[5]

I2C serial data (SDA)

5

I/O

I

P1[1]

I2C serial clock (SCL), ISSP-SCLK

6

I/O

I

P1[0]

I2C serial data (SDA), ISSP-SDATA

7

I/O

I

P2[2]

Analog column mux input

8

Power

Supply voltage

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

SOIC

1

2

3

4

8

7

6

5

Vdd

P0[4], A, I

P0[2], A, I

P1[0], I2CSDA

A, I, P0[5]

A, I, P0[3]

I2C SCL, P1[1]

Vss

AI, P0[1]

AI, I2C SCL, P1[7]

AI, I2C SDA, P1[5]

P2[2],AI

P1[0], I2C SDA, DATA *, AI

P1[1], I2C SCL, CLK*, AI

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