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參數(shù)資料
| 型號(hào)： | TSC2117IRGZR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, QCC48 |
| 封裝： | 7 X 7 MM, GREEN, PLASTIC, VQFN-48 |
| 文件頁(yè)數(shù)： | 163/192頁(yè) |
| 文件大?。?/td> | 2728K |
| 代理商： | TSC2117IRGZR |
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Programmable
Divider
Page3/Register2,BitsD4–D3
ADCSARClock
ADCSAR
ConversionClock
Interval Timers
Internal
Oscillator
Poweredonif
RC_CLKIs
Selected
8
RC_CLK
RC_CLK/8
SignalUsedforSAR ADCLogic,
Finite-State-Machine(FSM)Panel
VoltageStabilization Time,
Pre-Charge Time,Sense Time
ToSAR ADC
Debounce TimeforPen-Touch
Removal.
Generation
UsedforProgrammable
Interval Timersforthe12-bitSAR.
AlsoUsedforDebounce Timefor
HeadsetDetectionLogicandfor
ofVariousInterrupts.
Programmable
Divider
Page3/Register17,BitsD6–D0
Page3/Register17,BitD7
MCLK
1
0
Programmable
Divider
Page3/Register16,BitsD6–D0
Page3/Register16,BitD7
0
1
B0213-02
To Avoid AsynchronousClockDomain
Issues, AlwaysSelecttheSameValuefor:
Page3/Register16,BitD7
Page3/Register17,BitD7
5.7.1.3 Touch Detect/Data Available – GPIO1 or GPIO2 Programmed as PINTDAV Signal
TSC2117
Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D
Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller
SLAS550A – APRIL 2009 – REVISED JUNE 2009
www.ti.com
Figure 5-40. SAR ADC and Interval Timer Clock Selection
Regardless of the conversion clock speed, the internal clock runs nominally at 8.2 MHz. The conversion
time of the TSC2117 depends on several functions. While the conversion clock speed plays an important
role in the time it takes for a conversion to complete, a certain number of internal clock cycles are needed
for proper sampling of the signal. Moreover, additional times, such as the panel voltage stabilization time,
can add significantly to the time it takes to perform a conversion. Conversion time can vary, depending on
the mode in which the TSC2117 is used. Throughout this data sheet, internal and conversion clock cycles
are used to describe the times that many functions take to execute. Considering the total system design,
these times must be taken into account by the user.
The ADC uses either the internal MCLK signal or the internal oscillator for the SAR conversions.
The interrupt pins (GPIO1 or GPIO2) can be programmed for three functions by writing to
page 0/register 51, bits D5–D2 (GPIO1) or page 0/register 52, bits D5–D2 (GPIO2) the value of 1100. In
this case, these pins function as the PINTDAV signal. The default setting of PINDAV is for pen interrupt
(PENIRQ). However, it could be used for a data-available interrupt (DATA_AVA), or it can be set up for
signaling when either a pen interrupt occurs or the ADC data is available (PENIRQ and DATA_AVA). To
APPLICATION INFORMATION
72
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSC2117IRGZT | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-Wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| TSC2117IRGZT | 制造商:Texas Instruments 功能描述:Touch Screen Controller IC |
| TSC22 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EURO TERMINAL BLOCKS |
| TSC2200 | 制造商:BB 制造商全稱:BB 功能描述:PDA ANALOG INTERFACE CIRCUIT |
| TSC2200EVM | 功能描述:觸摸傳感器開發(fā)工具 Touch Screen Contr Eval Mod RoHS:否 制造商:Cypress Semiconductor 工具用于評(píng)估: 接口類型: 工作電壓: 最大工作溫度: |
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