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參數資料
| 型號： | TSC2008IYZGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, BGA12 |
| 封裝： | 2 X 1.50 MM, GREEN, DSBGA-12 |
| 文件頁數： | 10/40頁 |
| 文件大小： | 1028K |
| 代理商： | TSC2008IYZGT |
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GND
TEMP1
TEMP2
V
DD
PenTouch
X+
Y+
Y-
HighwhentheX+orY+
driverison,orwhenany
sensorconnection/short-
circuittestsareactivated.
GND
ON
Sense
Viasgotosystemanaloggroundplane.
GND
Highwhen
theX+orY+
driverison.
Control
Logic
R
IRQ
VDD/REF
PENIRQ
Connectto
AnalogSupply
Preprocessing
7Acquired
Data
7
7m asu
e
rementsinput
intotemporaryarray
Sortby
descendingorder
7
Averagingoutp t
u
fromwindowof3
3
SBAS406B – JUNE 2008 – REVISED MARCH 2009.......................................................................................................................................................... www.ti.com
Figure 27. Example of a Pen-Touch Induced Interrupt via the PENIRQ Pin
The TSC2008 has a fixed combined MAV filter (median value filter and averaging filter).
MAV Filter
If the acquired signal source is noisy because of the digital switching circuit, it may necessary to evaluate the
data without noise. In this case, the median value filter operation helps remove the noise. The array of seven
converted results is sorted first. The middle three values are then averaged to produce the output value of the
MAV filter.
The MAV filter is applied to all measurements for all analog inputs including the touch screen inputs, temperature
measurements TEMP1 and TEMP2, and auxiliary input AUX. To shorten the conversion time, the MAV filter may
Figure 28. MAV Filter Operation (Patent Pending)
18
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TSC2008
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相關代理商/技術參數 |
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| TSC2008-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPIa?￠ |
| TSC2008RGVR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI? |
| TSC2008RGVT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI⑩ |
| TSC2008TRGVRQ1 | 功能描述:觸摸屏轉換器和控制器 AC Nano-Pwr Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率: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 |
| TSC2011 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Nanopower, 4-Wire Resistive Touch and Haptic Controller with I2Ca?￠ Serial Interface |
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