mpr083 Freescale Semiconductor, Inc, mpr083 Datasheet - Page 23

• Manufacturer Part Number: mpr083
• Description: Proximity Capacitive Touch Sensor Controller
• Manufacturer: Freescale Semiconductor, Inc

Sensors
Freescale Semiconductor
10
10.1
The Key Click Sound Generator allows the MPR083 to generate audible feedback, independent of the I
The sounder is used to drive a piezo buzzer. This output is configured by using the Sounder Register, shown in the following
section.
10.1.1 Sounder Configuration Register
The I
10.2
The Sensor Information register is a read only register that displays a descriptor which contains static information about the
MPR083 version.
10.2.1 Sensor Information Register
The I
2
2
C slave address of the Sounder Configuration Register is 0x07.
C slave address of the Sensor Information Register is 0x0B.
Table 17. Sounder Configuration Register Field Descriptions
Table 18. Sensor Information Register Field Descriptions
Additional Features
Key Click Sound Generator
Sensor Information
SensorInfo
Reset:
Reset:
Field
FREQ
Field
7-0
SEN
CP
W
W
2
1
0
R
R
7
0
0
7
0
SensorInfo – The Sensor Information register describes the version information for
the part. Burst reads will display ASCII data in the following format:
VENDOR_LABEL",PN:"PRODUCT_LABEL",QUAL:"BUILD_TYPE_LABEL",VER:"
BUILD_VERSION_MAJOR"_"BUILD_VERSION_MINOR"_"BUILD_NUMBER"\0"
= Unimplemented
= Unimplemented
Click Period – The Click Period bit controls the length of the sounder click.
0 Sounder Click Period is 10ms
1 Sounder Click Period is 20ms
Frequency – The Frequency bit controls the frequency of the driven output.
0 Sounder frequency is 1kHz
1 Sounder frequency is 2kHz
Sounder Enable – The Sounder Enable bit enables or disables the sounder output.
0 Disable
1 Enable
6
0
0
6
1
Figure 27. Sounder Configuration Register
Figure 28. Sensor Information Register
5
0
0
5
0
4
0
0
4
0
SensorInfo
Description
Description
3
0
0
3
0
CP
2
0
2
1
FREQ
1
0
1
1
2
C communication status.
SEN
0
1
0
0
MPR083
23