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參數(shù)資料
| 型號： | CAP1014-1-EZK |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC32 |
| 封裝： | 5 X 5 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-32 |
| 文件頁數(shù)： | 30/73頁 |
| 文件大?。?/td> | 945K |
| 代理商： | CAP1014-1-EZK |
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Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
Revision 1.64 (01-15-09)
36
SMSC CAP1014
DATASHEET
5.3
Build Revision Register
The Build Revision register indicates hardware defined settings that are used.
5.4
Slider Position / Volumetric Data Register
The Slider Position register indicates the absolute position of a Tap, Slide, or Press and Hold event
detected on the Grouped sensors (slider). Alternately, the register stores volumetric data that increases
or decreased based on detected operations on the Grouped sensors (slider).
Bits 6-0 - POS[6:0] - Indicate absolute position or volumetric data as determined by the POS_VOL bit
(see Section 5.13).
5.4.1
Absolute Position
The absolute position of a single touch is available from this register. By interpolating information from
up to 3 adjacent buttons, 16 different positions are calculated by the CAP9014 from the center of one
button to the center of each adjacent button. The bits will encode a range from 2 to 98 indicative of
where the touch occurred. Table 5.6 shows an example of the settings assuming a single button is
pressed.
If a slide is detected on the Grouped sensors, then the POS[6:0] bits will indicate the most recently
touched sensor (i.e. where the slide ended) however will not indicate where the slide originated.
APPLICATION NOTE: The register will be cleared to a value of 00h when it is read. It will be set to a valid position
when the next ALERT is generated. It will be updated at the respective repeat rate for a slide
or press and hold event regardless of whether it has been read or not. Therefore, it will only
show the position of the last touch detected at the time of the itnerrupt.
Table 5.4 Firmware Revision Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
05h
R
Build Revision
00
000000
10h
Table 5.5 Slider Position / Volumetric Data Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
06h
R-C /
R/W
Slider Position /
Volumetric Data
-
POS[6:0]
00h
Table 5.6 Example Slider Absolute Position Decode
TOUCH POSITION
POS[6:0]
SETTINGS
CS8
02h (2d)
CS9
12h (18d)
CS10
22h (34d)
CS11
32h (50d)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CAP1014-1-EZK-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:Multiple Channel Capacitive Touch Sensor and LED Driver |
| CAP1014-2-EZK-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:Multiple Channel Capacitive Touch Sensor and LED Driver |
| CAP1026 | 制造商:SMSC 制造商全稱:SMSC 功能描述:6 Channel Capacitive Touch Sensor with 2 LED Drivers |
| CAP1026-1-AP-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:6 Channel Capacitive Touch Sensor with 2 LED Drivers |
| CAP1028 | 制造商:SMSC 制造商全稱:SMSC 功能描述:8 Channel Capacitive Touch Sensor with 2 LED Drivers |
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