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参数资料
| 型号： | MPR084QR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 1/40页 |
| 文件大小： | 0K |
| 描述： | IC CTLR TOUCH SENSOR PROX 16-QFN |
| 标准包装： | 2,500 |
| 类型： | 电容性 |
| 输入数/键： | 8 键 |
| 评估套件： | 可供 |
| 数据接口： | I²C，串行 |
| 电源电压： | 1.8 V ~ 3.6 V |
| 电流 - 电源： | 1.62mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN-EP（5x5） |
| 包装： | 带卷 (TR) |
| 配用： | KITMPR084EVM-ND - KIT EVAL 8-PAD TOUCH MPR084 |
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MPR084
Rev 6, 5/2010
Freescale Semiconductor
Technical Data
Freescale Semiconductor, Inc., 2007–2010. All rights reserved.
This document contains a product under development. Freescale Semiconductor reserves the right to change or
discontinue this product without notice.
Product Preview
Proximity Capacitive Touch
Sensor Controller
MPR084 OVERVIEW
The MPR084 is an Inter-Integrated Circuit Communication (I2C) driven
Capacitive Touch Sensor Controller, optimized to manage an 8-touch pad
capacitive array. The device can accommodate a wide range of
implementations through 3 output mechanisms, and many configurable
options.
Features
1.8 V to 3.6 V operation
41 A average supply current with 1 s response time
2 A low Standby Current
Variable low power mode response time (32 ms – 4 s)
Rejects unwanted multi-key detections from EMI events such as PA
bursts or user handling
Ongoing pad analysis and detection is not reset by EMI events
Data is buffered in a FIFO for shortest access time
IRQ output advises when FIFO has data
System can set interrupt behavior as immediate after event, or
program a minimum time between successive interrupts
Current touched pad position is always available on demand for
polling-based systems
Sounder output can be enabled to generate key-click sound when pad
is touched
Two hardware selectable I2C addresses allowing two devices on a
single I2C bus
Configurable real-time auto calibration
5 mm x 5 mm x 1 mm 16 lead QFN package
-40°C to +85°C operating temperature range
Implementations
Control Panels
Switch Replacements
Touch Pads
Typical Applications
Appliances
PC Peripherals
Access Controls
MP3 Players
Remote Controls
Mobile Phones
ORDERING INFORMATION
Device Name
Temperature Range
Case Number
Touch Pads
MPR084Q
-40
C to +85C
1679
(16-Lead QFN)
8-pads
MPR084EJ
948F
(16-Lead TSSOP)
MPR084
Capacitive Touch
Sensor Controller
16-LEAD TSSOP
CASE 948F
Top View
Figure 1. Pin Connections
Bottom View
E1
E2
E3
E4
E5
E6
E7
E8
VDD
VSS
SCL
SDA
AD0
SOUNDER
ATTN
IRQ
MPR084
3
4
1
2
10
9
12
11
78
56
14 13
16 15
16-LEAD QFN
CASE 1679
E1
E2
E3
E4
E5
E6
E7
E8
VDD
VSS
SCL
SDA
AD0
SOUNDER
ATTN
IRQ
MPR084
1
4
3
2
5
8
7
6
16
13
14
15
12
9
10
11
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