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參數(shù)資料
| 型號： | MPR032EPR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 7/33頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CTLR TOUCH SENSOR 8-DFN |
| 產(chǎn)品培訓模塊： | MPR03x - Low-Power Proximity Sensors |
| 特色產(chǎn)品： | MPR03x Proximity Capacitive Touch Sensor Controllers |
| 標準包裝： | 1 |
| 類型： | 電容性 |
| 觸摸面板接口： | 2 線 |
| 評估套件： | 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 |
| 供應商設(shè)備封裝： | 8-QFN-D（2x2） |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 2808 (CN2011-ZH PDF) |
| 其它名稱： | MPR032EPR2DKR |
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MPR03X
Sensors
Freescale Semiconductor
15
6
Interrupts
6.1
Introduction
The MPR03X has one interrupt output that is triggered on any touch related event. The interrupts trigger on both the up or down
motion of a finger as defined by a set of configurable thresholds.
6.2
Triggering an Interrupt
An interrupt is asserted any time data changes in the Touch Status Register (Section 5.2). This means that if an electrode touch
or release occurs, an interrupt will alert the application of the change.
6.3
Interrupt Handling
The MPR03X has one interrupt output that is asserted on any touch related event. The interrupts trigger on both the up or down
motion of a finger as defined by a set of configurable thresholds as described in Section 9. To service an interrupt, the application
must read the Touch Status Register (Section 5.2) and determine the current condition of the system. As soon as an I2C read
takes place the MPR03X will release the interrupt.
6.4
IRQ Pin
The IRQ pin is an open-drain latching interrupt output which requires an external pull-up resistor. The pin will latch down based
on the conditions in Section 6.2. The pin will de-assert when an I2C transaction reads from the MPR03X.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPR03X | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Proximity Capacitive Touch Sensor Controller |
| MPR03X_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Proximity Capacitive Touch Sensor Controller |
| MPR03XEJ | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Proximity Capacitive Touch Sensor Controller |
| MPR03XEP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Proximity Capacitive Touch Sensor Controller |
| MPR03XQ | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Proximity Capacitive Touch Sensor Controller |
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