参数资料
型号: MPR083QR2
厂商: Freescale Semiconductor
文件页数: 8/35页
文件大小: 0K
描述: IC CTLR TOUCH SENSOR PROX 16-QFN
产品培训模块: Sensor Toolbox
标准包装: 2,500
类型: 电容性
输入数/键: 8 个滑块
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: DEMOMPR083-ND - BOARD DEMO FOR MPR083 CTLR
KITMPR083EVM-ND - KIT EVAL 8POSITION ROTARY TOUCH
MPR083
Sensors
16
Freescale Semiconductor
5.3
Configuration
Low Power Configuration is achieved through setting two values; the Idle Timeout Period and the Sleep Cycle Duration. This
functionality is described in the following section.
5.3.1
Low Power Configuration Register
The Low Power Configuration register is used to set both the Idle Timeout Period and Sleep Cycle Duration multiplication factors.
The I2C slave address of the Low Power Configuration Register is 0x08.
Figure 19. Low Power Configuration Register
7
6
543210
R
ITP
SCD
W
Reset:
0
000000
= Unimplemented
Table 11. Low Power Configuration Register Field Descriptions
Field
Description
7:5
ITP
Idle Timeout Period – The Idle Timeout Period selects the amount to multiply the
TASP (touch acquisition sample period) by to determine the idle interface timeout
(IIT) period of the sensor controller.
000 Encoding 0 – Disables Low Power Mode
001 Encoding 1 – Sets the ITP multiplication factor to 1
~
111 Encoding 7 – Sets the ITP multiplication factor to 7
4:0
SCD
Sleep Cycle Duration – The Sleep Cycle Duration Field selects the amount to
multiply the TASP (touch acquisition sample period) by to determine the Sleep
period of the sensor controller.
00000 Encoding 0 – Disables Low Power Mode
00001 Encoding 1 – Sets the SCD multiplication factor to 1
~
11111 Encoding 31 – Sets the SCD multiplication factor to 31
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