The Key Click Sound Generator allows " />
參數(shù)資料
型號(hào)： KITMPR084EVM
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 19/40頁(yè)
文件大小： 0K
描述： KIT EVAL 8-PAD TOUCH MPR084
標(biāo)準(zhǔn)包裝： 1
傳感器類型： 觸摸，電容式
接口： I²C
電源電壓： 1.8 V ~ 3.6 V
嵌入式： 是，其它
已供物品： 板，纜線，CD
已用 IC / 零件： MPR084
產(chǎn)品目錄頁(yè)面： 2808 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： MPR084EJR2CT-ND - IC CTLR TOUCH SENSR PROX 16TSSOP
MPR084QR2-ND - IC CTLR TOUCH SENSOR PROX 16-QFN
MPR084Q-ND - IC CTLR TOUCH SENSOR PROX 16-QFN
MPR084EJR2TR-ND - IC CTLR TOUCH SENSR PROX 16TSSOP
MPR084EJ-ND - IC CTLR TOUCH SENSR PROX 16TSSOP
MPR084
Sensors
26
Freescale Semiconductor
10
Additional Features
10.1
Key Click Sound Generator
The Key Click Sound Generator allows the MPR084 to generate audible feedback, independent of the I2C communication status.
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 I2C slave address of the Sounder Configuration Register is 0x07 - 0x10
Figure 29. Sounder Configuration Register
10.2
Sensor Information
The Sensor Information register is a read only register that displays a descriptor which contains static information about the
MPR084 version.
10.2.1 Sensor Information Register
The I2C slave address of the Sensor Information Register is 0x14.
Figure 30. Sensor Information Register
7
6
5
43210
R0
0
CP
FREQ
SEN
W
Reset:
0
00001
= Unimplemented
Table 18. Sounder Configuration Register Field Descriptions
Field
Description
2
CP
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
1
FREQ
Frequency – The Frequency bit controls the frequency of the driven output.
0 Sounder frequency is 1kHz
1 Sounder frequency is 2kHz
0
SEN
Sounder Enable – The Sounder Enable bit enables or disables the sounder output.
0 Disable
1 Enable
7
6
5
43210
R
SensorInfo
W
Reset:
0
1
0
00110
= Unimplemented
Table 19. Sensor Information Register Field Descriptions
Field
Description
7-0
SensorInfo
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"
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