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MPR121QR2, MPR121 Datasheet - Freescale Semiconductor

MPR121QR2 Proximity Capacitive Touch Sensor Controller

Table 1. Pin Descriptions Pin No. Pin Name Description 1 IRQ Open Collector Interrupt Output Pin, active low 2 SCL I2C Clock 3 SDA I2C Data 4 ADDR I2C Address Select Input Pin. Connect the ADDR pin to the VSS, VDD, SDA or SCL line, the resulting I2C addresses are 0x5A, 0x5B, 0x5C and .

MPR121QR2 Features

* an increased internal intelligence plus Freescale’s second generation capacitance detection engine. Some major enhancements include an increased electrode count, a hardware configurable I2C address, an expanded filtering system with debounce, and completely independent electrodes with built-in autoc

MPR121_FreescaleSemiconductor.pdf

This datasheet PDF includes multiple part numbers: MPR121QR2, MPR121. Please refer to the document for exact specifications by model.
MPR121QR2 Datasheet Preview Page 2 MPR121QR2 Datasheet Preview Page 3

Datasheet Details

Part number:

MPR121QR2, MPR121

Manufacturer:

Freescale Semiconductor

File Size:

251.22 KB

Description:

Proximity capacitive touch sensor controller.

Note:

This datasheet PDF includes multiple part numbers: MPR121QR2, MPR121.
Please refer to the document for exact specifications by model.

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TAGS

MPR121QR2 MPR121 Proximity Capacitive Touch Sensor Controller Freescale Semiconductor

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