參數(shù)資料
型號: MPR084QR2
廠商: Freescale Semiconductor
文件頁數(shù): 10/40頁
文件大?。?/td> 0K
描述: IC CTLR TOUCH SENSOR PROX 16-QFN
標準包裝: 2,500
類型: 電容性
輸入數(shù)/鍵: 8
評估套件: 可供
數(shù)據(jù)接口: I²C,串行
電源電壓: 1.8 V ~ 3.6 V
電流 - 電源: 1.62mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VQFN 裸露焊盤
供應商設備封裝: 16-QFN-EP(5x5)
包裝: 帶卷 (TR)
配用: KITMPR084EVM-ND - KIT EVAL 8-PAD TOUCH MPR084
MPR084
Sensors
18
Freescale Semiconductor
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 0x11.
Figure 21. Low Power Configuration Register
7
6
543210
R
ITP
SCD
W
Reset:
0
000000
= Unimplemented
Table 12. 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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