MPR083

Rev 5, 06/2010

Freescale Semiconductor

Technical Data

© Freescale Semiconductor, Inc., 2007–2010. All rights reserved.

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Product Preview

Proximity Capacitive Touch

Sensor Controller

MPR083 OVERVIEW

The MPR083 is an Inter-Integrated Circuit Communication (I2C) driven

Capacitive Touch Sensor Controller, optimized to manage an 8-position

rotary shaped capacitive array. The device can accommodate a wide

range of implementations through 3 output mechanisms, and many

configurable options.

Features

•

1.8 V to 3.6 V operation

•

41 µA average supply current with 1 s response time

•

2 µA Standby Current

•

Variable low power mode response time (32 ms – 4 s)

•

Rejects unwanted multi-key detections from EMI events such as PA

bursts or user handling

•

Ongoing pad analysis and detection is not reset by EMI events

•

Data is buffered in a FIFO for shortest access time

•IRQ output advises when FIFO has data

•

System can set interrupt behavior as immediate after event, or

program a minimum time between successive interrupts

•

Current rotary position is always available on demand for polling-

based systems

•

Sounder output can be enabled to generate key-click sound when

rotary is touched

•

Two hardware selectable I2C addresses allowing two devices on a

single I2C bus

•

Configurable real-time auto calibration

•

5 mm x 5 mm x 1 mm 16 lead QFN package

•

-40°C to +85°C operating temperature range

Implementations

•

Control Panels

•

Switch Replacements

•

Rotary and Linear Sliders

Typical Applications

•

Appliances

•

PC Peripherals

•

Access Controls

•

MP3 Players

•

Remote Controls

•

Mobile Phones

ORDERING INFORMATION

Device Name

Temperature Range

Case Number

Rotary Slider

MPR083Q

-40

C to +85C

1679

(16-Lead QFN)

8-Positions

MPR083EJ

948F

(16-Lead TSSOP)

E5

E6

E7

E8

VDD

VSS

ATTN

IRQ

MPR083

3

4

1

2

10

9

12

11

78

56

14 13

16 15

MPR083

Capacitive Touch

Sensor Controller

16-LEAD TSSOP

CASE 948F

Top View

Figure 1. Pin Connections

Bottom View

16-LEAD QFN

CASE 1679

E1

E2

E3

E4

E5

E6

E7

E8

VDD

VSS

SCL

SDA

AD0

SOUNDER

ATTN

IRQ

MPR083

1

4

3

2

5

8

7

6

16

13

14

15

12

9

10

11