参数资料
型号: MPR084EJR2
厂商: Freescale Semiconductor
文件页数: 4/40页
文件大小: 0K
描述: IC CTLR TOUCH SENSR PROX 16TSSOP
标准包装: 1
类型: 电容性
输入数/键: 8
评估套件: 可供
数据接口: I²C,串行
电源电压: 1.8 V ~ 3.6 V
电流 - 电源: 1.62mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 剪切带 (CT)
配用: KITMPR084EVM-ND - KIT EVAL 8-PAD TOUCH MPR084
其它名称: MPR084EJR2CT
MPR084
Sensors
12
Freescale Semiconductor
3.6
Maximum Number of Touched Positions Register
The Maximum Number of Touched Positions Register adjusts the number of keys that can be concurrently reported as touched.
The I2C slave address of the Maximum Number of Touched Positions Register is 0x0D.
Figure 16. Maximum Number of Touched Positions Registers
3.7
Electrode Channel Enable Mask Register
The Electrode Channel Mask Register adjusts to the number of keys that are scanned by the MPR084. The I2C slave address
of the Electrode Channel Mask Register is 0x0C.
Figure 17. Electrode Channel Enable Mask Position Register
7
6
543210
R0
0
TPC
W
Reset:
0
000100
= Unimplemented
Table 6. Maximum Number of Touched Positions Register Field Descriptions
Field
Description
2:0
TPC
Touched Positions Count – The Touched Positions Count selects or reports the
number of simultaneously reported touches.
000 Encoding 0 – Sets the number of allowed touches to 0
~
111 Encoding 7 – Sets the number of allowed touches to 7
7
6
543210
R
E8EN
E7EN
E6EN
E5EN
E4EN
E3EN
E2EN
E1EN
W
Reset:
1
111111
= Unimplemented
Table 7. Electrode Channel Enable Mask Register Field Descriptions
Field
Description
7
E8EN
Electrode 8 Enable – The Electrode 8 Enable bit enables or disables electrode
number 8.
0 Electrode 8 Disable
1 Electrode 8 Enable
6
E7EN
Electrode 7 Enable – The Electrode 7 Enable bit enables or disables electrode
number 7.
0 Electrode 7 Disable
1 Electrode 7 Enable
5
E6EN
Electrode 6 Enable – The Electrode 6 Enable bit enables or disables electrode
number 6.
0 Electrode 6 Disable
1 Electrode 6 Enable
4
E5EN
Electrode 5 Enable – The Electrode 5 Enable bit enables or disables electrode
number 5.
0 Electrode 5 Disable
1 Electrode 5 Enable
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