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參數資料
型號: UCB1300BE
廠商: NXP SEMICONDUCTORS
元件分類: 調制器/解調器
英文描述: Advanced modem/audio analog front-end
中文描述: MODEM-SUPPORT CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-313-2, LQFP-48
文件頁數: 14/56頁
文件大?。?/td> 1022K
代理商: UCB1300BE
1999 Jul 20
14
Philips Semiconductors
Preliminary specification
Advanced modem/audio analog front-end
UCB1300
TOUCH SCREEN MEASUREMENT MODES
The UCB1300 contains an on chip interface for a 4 wire resistive touch screen. This interface supports three modes of
touch screen measurements: position, pressure and plate resistance.
POSITION MEASUREMENT
Two position measurements are needed to determine the location of the pressed spot. First an X measurement, secondly
a Y measurement. The X plate is biased during the X position measurement of the X plate and the voltage on one or both
Y terminals (TSPY, TSMY) measured. The circuit can then be represented by a potentiometer, with the TSPY and/or
TSMY electrode being the ‘wiper’. The measured voltage on the TSPY/TSMY terminal is proportional to the X position
of the pressed spot of the touch screen.
In the Y position mode the X plate and Y plate terminals are interchanged, thus the Y plate is biased while the voltage
on the TSPX and/or TSMX terminal is measured.
Fig.8 Touch screen setup for position measurement.
Vposition
tspx
tsmx
tspy
tsmy
Vtscbias
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相關代理商/技術參數
參數描述
UCB1400 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor
UCB1400BE 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor
UCB1400BE,128 功能描述:接口—CODEC AUDIO CODEC WITH TOUCHSCREEN RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
UCB1400BE,151 功能描述:接口—CODEC AUDIO CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
UCB1400BE,157 功能描述:接口—CODEC DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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