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參數(shù)資料
| 型號： | KITMPR121EVM |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 1/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVALUATION MPR121 |
| 產(chǎn)品培訓(xùn)模塊： | MPR121: Low-Power Touch Sensor |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 傳感器類型： | 近程 |
| 接口： | USB |
| 電源電壓： | 5V，USB |
| 嵌入式： | 否 |
| 已供物品： | 4 個(gè)板，線纜，文檔 |
| 已用 IC / 零件： | MPR121 |
| 產(chǎn)品目錄頁面： | 2808 (CN2011-ZH PDF) |
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Document Number: MPR121
Rev. 4, 02/2013
Freescale Semiconductor
Data Sheet: Technical Data
An Energy Efficient Solution by Freescale
2009-2011, 2013 Freescale Semiconductor, Inc. All rights reserved.
Proximity Capacitive Touch
Sensor Controller
The MPR121 is the second generation sensor controller following the
initial release of the MPR03x series of devices. The MPR121 features an
increased internal intelligence plus Freescale’s second generation
capacitance detection engine. Some major enhancements include an
increased electrode count, a hardware configurable I2C address, an
expanded filtering system with debounce, and completely independent
electrodes with built-in autoconfiguration. The device also features a 13th
simulated electrode which represents the simultaneous charging of all the
electrodes connected together. When used with a touch panel or touch
screen array, the 13th simulated electrode allows a greater near proximity
detection distance and an increased sensing area.
Features
1.71V to 3.6V operation
29
μA typical run current at 16 ms sampling interval
3
μA in scan stop mode current
12 electrodes/capacitance sensing inputs in which 8 are
multifunctional for LED driving and GPIO
Integrated independent autocalibration for each electrode input
Autoconfiguration of charge current and charge time for each
electrode input
Separate touch and release trip thresholds for each electrode,
providing hysteresis and electrode independence
I2C interface, with IRQ Interrupt output to advise electrode status
changes
3 mm x 3 mm x 0.65 mm 20 lead QFN package
-40°C to +85°C operating temperature range
Implementations
General Purpose Capacitance Detection
Switch Replacements
Touch Pads, Touch Wheel, Touch Slide Bar, Touch Screen Panel
Capacitance Near Proximity Detection
Typical Applications
PC Peripherals
MP3 Players
Remote Controls
Mobile Phones
Lighting Controls
ORDERING INFORMATION
Device Name
Temperature Range
Case Number
Touch Pads
I2C Address
Shipping
MPR121QR2
-40
°C to +85°C
2059 (20-Pin QFN)
12-pads
0x5A - 0x5D
Tape & Reel
MPR121
Top View
Pin Connections
Bottom View
20-PIN QFN
CASE 2059-01
1
2
3
5
67
8
9
10
12
11
13
14
15
16
17
18
19
20
4
13
ELE4
ELE3
ELE6
ELE7
ELE5
V
SS
RE
XT
ELE0
ELE1
ADDR
VREG
SCL
IRQ
SDA
ELE2
V
DD
EL
E
1
EL
E
1
0
EL
E
9
EL
E
8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KITMPR121EVM | 制造商:Freescale Semiconductor 功能描述:Sensor Toolbox Proximity Sensor Kit |
| KITMPVZ5004EVK | 功能描述:壓力傳感器開發(fā)工具 WATER LEVEL BOARD RoHS:否 制造商:Freescale Semiconductor 工具用于評估:MPL3115A2 接口類型:USB 最大工作溫度: |
| KITMPXA6115AEVB | 功能描述:壓力傳感器開發(fā)工具 Sensor Toolbx Pressu Sensor Developmt brd RoHS:否 制造商:Freescale Semiconductor 工具用于評估:MPL3115A2 接口類型:USB 最大工作溫度: |
| KITMPXSHOWEVK | 功能描述:壓力傳感器開發(fā)工具 PRESSURE SHOWBOARD RoHS:否 制造商:Freescale Semiconductor 工具用于評估:MPL3115A2 接口類型:USB 最大工作溫度: |
| KITMPXV5004DPEVB | 功能描述:壓力傳感器開發(fā)工具 MPXV5004 Dev Kit RoHS:否 制造商:Freescale Semiconductor 工具用于評估:MPL3115A2 接口類型:USB 最大工作溫度: |
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