CY8C20121-SX1I datasheet(2/34 Pages) CYPRESS

Part #	CY8C20121-SX1I

Description	CapSense Express-One Button and Two Button Capacitive Controllers

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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2 / 34 page

PRELIMINARY

CY8C20111, CY8C20121

Document Number: 001-53516 Rev. **

Page 2 of 34

3. Pinouts

Figure 1. CY8C20111 Pin Diagram - 8 SOIC - 1 Button

Table 1. Pin Definitions – 8 SOIC- 1 Button

Figure 2. CY8C20121 Pin Diagram – 8 SOIC- 2 Button

Table 2. Pin Definitions – 8 SOIC- 2 Button

Pin No

Name

Description

1

VSS

Ground

2I2C SCL

I2C Clock

3I2C SDA

I2C Data

4

CS0

CapSense Input

5

NC

No Connect

6

DIG0

Digital Output

7

NC

No Connect

8

VDD

Supply Voltage

Pin No

Name

Description

1

VSS

Ground

2I2C SCL

I2C Clock

3I2C SDA

I2C Data

4

CS0

CapSense Input

5

CS1

CapSense Input

6

DIG0

Digital Output

7

DIG1

Digital Output

8

VDD

Supply Voltage

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