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參數(shù)資料
| 型號(hào)： | MPR031EPR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 4/33頁 |
| 文件大小： | 0K |
| 描述： | IC CTLR TOUCH SENSOR 8-DFN |
| 產(chǎn)品培訓(xùn)模塊： | MPR03x - Low-Power Proximity Sensors |
| 特色產(chǎn)品： | MPR03x Proximity Capacitive Touch Sensor Controllers |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 電容性 |
| 觸摸面板接口： | 2 線 |
| 評(píng)估套件： | 可供 |
| 數(shù)據(jù)接口： | I²C，串行 |
| 數(shù)據(jù)速率/采樣率 (SPS，BPS)： | 400k |
| 電源電壓： | 1.71 V ~ 2.75 V |
| 電流 - 電源： | 43µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-UFDFN |
| 供應(yīng)商設(shè)備封裝： | 8-QFN-D（2x2） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 2808 (CN2011-ZH PDF) |
| 配用： | KITMPR03XEVM-ND - KIT EVAL FOR MPR03X DEMOMPR031-ND - BOARD DEMO FOR MPR031 CTLR |
| 其它名稱： | MPR031EPR2DKR |
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MPR03X
Sensors
12
Freescale Semiconductor
5
Output Mechanisms
5.1
Introduction
The MPR03X has three outputs: the touch status, values from the second level filter (Section 8.3), and the calibrated baseline
values. The application can either use the touch status or a combination of second level filter data with the baseline data to
determine when a touch occurs.
5.2
Touch Status
Each Electrode has an associated single bit that denotes whether or not the pad is currently touched. This output is generated
using the touch threshold and release threshold registers to determine when a pad is considered touched or untouched.
Configuration of this system is discussed in Section 9.
5.2.1
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 0x00.
Figure 17. Touch Status Register
7
6
543210
R
OCF
0
E2S
E1S
E0S
W
Reset:
0
000000
= Unimplemented
Table 6. Touch Pad Status Register Field Descriptions
Field
Description
7
OCF
Over Current Flag – The Over Current Flag shows when too much current is on the REXT
pin. If it is set all other status flags and registers are cleared and the device is set to Stop
mode. When OCF is set, the MPR03X cannot be put back into a Run mode.
0 – Current is within limits.
1 – Current is above limits. Writing a 1 to this field will clear the OCF.
2
E2S
Electrode 2 Status – The Electrode 2 Status bit shows touched or not touched.
0 – Not Touched
1 – Touched
1
E1S
Electrode 1 Status – The Electrode 1 Status bit shows touched or not touched.
0 – Not Touched
1 – Touched
0
E0S
Electrode 0 Status – The Electrode 0 Status bit shows touched or not touched.
0 – Not Touched
1 – Touched
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MPR031EPR2 | 制造商:Freescale Semiconductor 功能描述:IC CAPACITIVE TOUCH SENSOR FN-8 |
| MPR031EPR2-CUT TAPE | 制造商:Freescale 功能描述:MPR031 Series 2.75 V 8 ? Proximity Capacitive Touch Sensor Controller - UDFN-8 |
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| MPR032EP | 制造商:Freescale Semiconductor 功能描述:CAPACITIVE TOUCH SENSOR 8-PIN UDFN BULK - Bulk |
| MPR032EPR2 | 功能描述:電容觸摸傳感器 DFN TOUCH PAD RoHS:否 制造商:Microchip Technology 電源電壓: 通道數(shù)量: 封裝 / 箱體: 尺寸: 溫度范圍: |
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