參數(shù)資料
型號(hào): MPR084Q
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 11/40頁(yè)
文件大?。?/td> 0K
描述: IC CTLR TOUCH SENSOR PROX 16-QFN
產(chǎn)品目錄繪圖: MPR08(3,4)Q Top
標(biāo)準(zhǔn)包裝: 490
類型: 電容性
輸入數(shù)/鍵: 8
評(píng)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(yīng)商設(shè)備封裝: 16-QFN-EP(5x5)
包裝: 散裝
產(chǎn)品目錄頁(yè)面: 2808 (CN2011-ZH PDF)
配用: KITMPR084EVM-ND - KIT EVAL 8-PAD TOUCH MPR084
MPR084
Sensors
Freescale Semiconductor
19
6
Output Mechanisms
6.1
Introduction
The MPR084 has three primary methods for reporting data in addition to an IRQ output that is described in Chapter 7. The three
output systems are described in this section.
6.2
Instantaneous
The Instantaneous output shows the current status of the user interface. This information is displayed in terms of the current
touched pad position that is touched. Only one touch can be shown at a time.
6.2.1
Touch Pad Status Register
The Touch Pad Status Register is a read only register for determining the current status of the touch pad. The I2C slave address
of the Touch Pad Status Register is 0x02.
Figure 22. Touch Pad Status Register
7
6
543210
R
E8S
E7S
E6S
E5S
E4S
E3S
E2S
E1S
W
Reset:
0
000000
= Unimplemented
Table 13. Touch Pad Status Register Field Descriptions
Field
Description
7
E8S
Electrode 8 Status – The Electrode 8 Status bit shows whether or not electrode 8 is touched.
0 Electrode 8 untouched
1 Electrode 8 touched
6
E7S
Electrode 7 Status – The Electrode 7 Status bit shows whether or not electrode 7 is touched.
0 Electrode 7 untouched
1 Electrode 7 touched
5
E6S
Electrode 6 Status – The Electrode 6 Status bit shows whether or not electrode 6 is touched.
0 Electrode 6 untouched
1 Electrode 6 touched
4
E5S
Electrode 5 Status – The Electrode 5 Status bit shows whether or not electrode 5 is touched.
0 Electrode 5 untouched
1 Electrode 5 touched
3
E4S
Electrode 4 Status – The Electrode 4 Status bit shows whether or not electrode 4 is touched.
0 Electrode 4 untouched
1 Electrode 4 touched
2
E3S
Electrode 3 Status – The Electrode 3 Status bit shows whether or not electrode 3 is touched.
0 Electrode 3 untouched
1 Electrode 3 touched
1
E2S
Electrode 2 Status – The Electrode 2 Status bit shows whether or not electrode 2 is touched.
0 Electrode 2 untouched
1 Electrode 2 touched
0
E1S
Electrode 1 Status – The Electrode 1 Status bit shows whether or not electrode 1 is touched.
0 Electrode 1 untouched
1 Electrode 1 touched
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