1. Feature List and Ordering Information

The CPT112S has the following features:

• Capacitive sensing input engine with 12 inputs

• Post-sample touch qualification engine

• Configuration profile space in non-volatile memory

• I2C event buffer with interrupt pin to signal when new touch events have been qualified

• Low power state machine to minimize current draw in all use cases

• Capacitive proximity sensing input

• Buzzer output

• Mutually-exclusive touch qualifier

• Touch time-out timer

R

Tape and Reel (Optional)

G M

Temperature Grade — –40 to +85 °C (G)

12

T

–

1

S

A

–

Package Type

01

CP

Silicon Labs Xpress Product Line

Firmware Revision

Hardware Revision

Capacitive Sense Features — Slider (S)

Interface Type — GPO (0), I2C (1)

Number of Capacitive Sense Inputs

TouchXpress Family

Figure 1.1. CPT112S Part Numbering

CPT112S Data Sheet

Feature List and Ordering Information

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