参数资料
型号: MPR031EPR2
厂商: Freescale Semiconductor
文件页数: 15/33页
文件大小: 0K
描述: IC CTLR TOUCH SENSOR 8-DFN
产品培训模块: MPR03x - Low-Power Proximity Sensors
特色产品: MPR03x Proximity Capacitive Touch Sensor Controllers
标准包装: 1
类型: 电容性
触摸面板接口: 2 线
评估套件: 可供
数据接口: I²C,串行
数据速率/采样率 (SPS,BPS): 400k
电源电压: 1.71 V ~ 2.75 V
电流 - 电源: 43µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-UFDFN
供应商设备封装: 8-QFN-D(2x2)
包装: 标准包装
产品目录页面: 2808 (CN2011-ZH PDF)
配用: KITMPR03XEVM-ND - KIT EVAL FOR MPR03X
DEMOMPR031-ND - BOARD DEMO FOR MPR031 CTLR
其它名称: MPR031EPR2DKR
MPR03X
Sensors
22
Freescale Semiconductor
8.4.2
The Noise Half Delta register is used to set the Noise Half Delta for the third level filter. The address of the Noise Half Delta
Register is 0x27.
Figure 28. Noise Half Delta Register
8.4.3
The Noise Count Limit register is used to set the Noise Count Limit for the Third Level Filter. The address of the Noise Half Delta
Register is 0x28.
Figure 29. Noise Count Limit Register
7
6
543210
R0
0
NHD
W
Reset:
0
000000
= Unimplemented
Table 15. Noise Half Delta Register Field Descriptions
Field
Description
5:0
NHD
Noise Half Delta – The Noise Half Delta determines the incremental change when
non-noise drift is detected.
000000 DO NOT USE THIS CODE
000001 Encoding 1 – Sets the Noise Half Delta to 1
~
111111 Encoding 63 – Sets the Noise Half Delta to 63
7
6
543210
R0
0
NCL
W
Reset:
0
000000
= Unimplemented
Table 16. Noise Count Limit Register Field Descriptions
Field
Description
3:0
NCL
Noise Count Limit – The Noise Count Limit determines the number of samples consecutively
greater than the Max Half Delta necessary before it can be determined that it is non-noise.
0000 Encoding 0 – Sets the Noise Count Limit to 1 (every time over Max Half Delta)
0001 Encoding 1 – Sets the Noise Count Limit to 2 consecutive samples over Max Half Delta
~
1111 Encoding 15 – Sets the Noise Count Limit to 15 consecutive samples over Max Half Delta
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