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參數(shù)資料
| 型號： | MPR083Q |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 5/35頁 |
| 文件大小： | 0K |
| 描述： | IC CTLR TOUCH SENSOR PROX 16-QFN |
| 產(chǎn)品培訓模塊： | Sensor Toolbox |
| 產(chǎn)品目錄繪圖： | MPR08(3,4)Q Top |
| 標準包裝： | 490 |
| 類型： | 電容性 |
| 輸入數(shù)/鍵： | 8 個滑塊 |
| 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： | 散裝 |
| 產(chǎn)品目錄頁面： | 2808 (CN2011-ZH PDF) |
| 配用： | DEMOMPR083-ND - BOARD DEMO FOR MPR083 CTLR KITMPR083EVM-ND - KIT EVAL 8POSITION ROTARY TOUCH |
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MPR083
Sensors
Freescale Semiconductor
13
4.3
Run1 Mode
When in Run1 mode the sensor controller will run continuously. During Run1 all the modules are synchronized by the Master Tick
Period. This value can be set by using the Master Tick Period Register as outlined in the following section.
While in this mode all functionality of the MPR083 is enabled; touch detection will occur, and I2C communication will be available.
This mode is enabled by setting the Configuration Register’s RUNE and DCE bits high.
4.3.1
Master Tick Period Register
The Master Tick Period Register is used to set the master tick of this system. All parts of the system are synchronized to this
counter. This register is overridden in all modes except for Run1. When not in Run1 mode, the value of this register is ignored
and 8ms is used for the primary clock. The I2C slave address of the Master Tick Period Register is 0x05.
Figure 16. Master Tick Period Register
4.4
Run2 Mode
When in Run2 mode the sensor controller will continue to scan the electrodes but a low power state will be enabled between
each cycle. Because of this, any I2C communication that occurs, may or may not respond while the sensor is in this mode.
If DCE is enabled the sensor controller transitions between low power and active states. During the active part of the cycle
communication with the sensor controller is possible; however, Freescale always requires users to issue an ATTN signal prior to
initiating communications. Accessing the I2C interface while DCE mode is enabled without sending an ATTN signal first is likely
to produce invalid data.
This mode is enabled by setting the Configuration Register’s RUNE bit high and DCE bit low. The only way to exit this mode is
to toggle the Attention Pin, refer to Section 4.7.
4.5
Stop1 Mode
When in Stop1 mode the sensor controller will not scan the electrodes. While capacitance sensing is disabled I2C
communications will still be accepted and the sensor controller will maintain instantaneous response to all register requests. This
is the only mode in which register values can be set.
This mode is enabled by setting the Configuration Register’s RUNE bit low and DCE bit high.
4.6
Stop2 Mode
When in Stop2 mode the sensor controller will not scan the electrodes or accept I2C communication. The MPR083 is off during
this mode.
This mode is enabled by setting the Configuration Register’s RUNE bit low and DCE bit low. The only way to exit this mode is to
toggle the Attention Pin, refer to Section 4.7.
7
6
543210
R
MTP
W
Reset:
0
000101
= Unimplemented
Table 9. Master Tick Period Register Field Descriptions
Field
Description
7:0
MTP
Master Tick Period – The Master Tick Period selects or reports the current value of the
touch sensor controller’s primary clock multiplier. The resulting period must be in the
range 5ms to 31ms. If the value is outside of this range the MTP will be set to 00011010.
00000000 Encoding 0 – Sets the primary clock multiplier to 5
~
00011010 Encoding 26 - Sets the primary clock multiplier to 31
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| MPR083QR2 | 功能描述:電容觸摸傳感器 10 PADS 8 POSITION RoHS:否 制造商:Microchip Technology 電源電壓: 通道數(shù)量: 封裝 / 箱體: 尺寸: 溫度范圍: |
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| MPR084EJ | 功能描述:電容觸摸傳感器 8 POSIT 10 PADS RoHS:否 制造商:Microchip Technology 電源電壓: 通道數(shù)量: 封裝 / 箱體: 尺寸: 溫度范圍: |
| MPR084EJR2 | 功能描述:電容觸摸傳感器 8 POSIT 10 PADS RoHS:否 制造商:Microchip Technology 電源電壓: 通道數(shù)量: 封裝 / 箱體: 尺寸: 溫度范圍: |
| MPR084Q | 功能描述:電容觸摸傳感器 4 POSITION ROTARY & RoHS:否 制造商:Microchip Technology 電源電壓: 通道數(shù)量: 封裝 / 箱體: 尺寸: 溫度范圍: |
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