參數(shù)資料
型號: MPR084Q
廠商: Freescale Semiconductor
文件頁數(shù): 4/40頁
文件大小: 0K
描述: IC CTLR TOUCH SENSOR PROX 16-QFN
產(chǎn)品目錄繪圖: MPR08(3,4)Q Top
標準包裝: 490
類型: 電容性
輸入數(shù)/鍵: 8
評估套件: 可供
數(shù)據(jù)接口: I²C,串行
電源電壓: 1.8 V ~ 3.6 V
電流 - 電源: 1.62mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VQFN 裸露焊盤
供應商設備封裝: 16-QFN-EP(5x5)
包裝: 散裝
產(chǎn)品目錄頁面: 2808 (CN2011-ZH PDF)
配用: KITMPR084EVM-ND - KIT EVAL 8-PAD TOUCH MPR084
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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