CY8C20111 View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

MFG CO.

CY8C20111

CapSense® Express™ – One Button and Two Button Capacitive Controllers

Cypress Semiconductor 

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CY8C20111, CY8C20121

Typical Circuits (continued)

Figure 5. Circuit-3: Two Buttons and Two LEDs with I2C Interface

Figure 6. Circuit-4: Compatibility with 1.8 V I2C Signaling [2, 3]

Note

2. 1.8 V VDD_I2C VDD_CE and 2.4 V VDD_CE 5.25 V.

3. The I2C drive mode of the CapSense device should be configured properly before using in an I2C environment with external pull-ups. Please refer to I2C_ADDR_DM

register and its factory setting.

Document Number: 001-53516 Rev. *H

Page 6 of 44

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