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參數(shù)資料
| 型號(hào)： | CAP1028-1-BP-TR |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLAINT, QFN-20 |
| 文件頁(yè)數(shù)： | 19/69頁(yè) |
| 文件大?。?/td> | 948K |
| 代理商： | CAP1028-1-BP-TR |
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8 Channel Capacitive Touch Sensor with 2 LED Drivers
Datasheet
Revision 1.0 (06-16-09)
26
SMSC CAP1028
DATASHEET
Chapter 4 General Description
The CAP1028 is a multiple channel Capacitive Touch sensor with multiple power LED drivers. It
contains eight (8) individual Capacitive Touch sensor inputs with programmable sensitivity for use in
touch sensor applications. Each sensor automatically recalibrates to compensate for gradual
environmental changes.
The CAP1028 also contains two (2) low side (or push-pull) LED drivers that offer full-on / off, variable
rate blinking, dimness controls, and breathing. Each of the LED drivers may be linked to one of the
sensors to be actuated when a touch is detected. As well, each LED driver may be individually
controlled via a host controller.
Finally, the device contains a dedicated RESET pin to act as a soft reset by the system.
The CAP1028 offers multiple power states operating at low quiescent currents during its Deep Sleep
state. The device also contains a wake pin (WAKE/SPI_MOSI) output to wake the system when a
touch is detected in Standby and to wake the device from Deep Sleep. It can monitor one or more
channels while in a lower power state and respond to communications normally.
The device communicates with a host controller using the SPI bus, SMSC BC-Link bus, or via SMBus
/ I2C. The host controller may poll the device for updated information at any time or it may configure
the device to flag an interrupt whenever a touch is detected on any sensor.
A typical system diagram is shown in Figure 4.1.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAP1066 | 制造商:SMSC 制造商全稱:SMSC 功能描述:6 Channel Capacitive Touch Sensor with 6 LED Drivers |
| CAP1066-1-BP | 制造商:Microchip Technology Inc 功能描述: |
| CAP1066-1-BP-TR | 制造商:Microchip Technology Inc 功能描述:SIX CHANNEL CAPACITIVE TOUCH SENSOR WITH |
| CAP1088 | 制造商:SMSC 制造商全稱:SMSC 功能描述:8 Channel Capacitive Touch Sensor with 8 LED Drivers |
| CAP1088-1-CP-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:8 Channel Capacitive Touch Sensor with 8 LED Drivers |
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