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參數資料
| 型號： | TSC2008IRGVT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC16 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, VQFN-16 |
| 文件頁數： | 3/40頁 |
| 文件大小： | 1028K |
| 代理商： | TSC2008IRGVT |
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OVERVIEW
X+
Y+
X-
Y-
AuxilaryInput
GND
TSC2008
GND
1 Fto
10 F
m
0.1 F
m
Touch
Screen
GPIO
SDI
SCLK
Host
Processor
PENIRQ
SDO
SCLK
VDD/REF
A
UX
GND
1.8VDC
GPIO
SDO
CS
SDI
www.ti.com.......................................................................................................................................................... SBAS406B – JUNE 2008 – REVISED MARCH 2009
The TSC2008 is an analog interface circuit for a human interface touch screen device. All peripheral functions
are controlled through the command byte and onboard state machines. While maintaining similarity in hardware,
command, and software to its predecessor, the TSC2046 (or TSC2046E), the TSC2008 includes significant
improvements such as:
Much stronger and more comprehensive electrostatic discharge (ESD) protection
Uses only 1/13 power for equivalent performance
1/7 bus traffic
3/16 size
Direct 1.8V interface
Prudent reset scheme
Saves 1/7 power if 8-bit SDO adjusted output mode used
The TSC2008 consists of the following blocks (refer to the block diagram on the front page):
Touch Screen Sensor Drivers
Auxiliary Input (AUX)
Temperature Sensor
Acquisition Activity Preprocessing
Internal Conversion Clock
SPI Interface
Communication with the TSC2008 is done via an SPI serial interface. The TSC2008 is an SPI slave device;
therefore, data are shifted into or out of the TSC2008 under the control of the host microprocessor, which also
provides the serial data clock.
Control of the TSC2008 and its functions is accomplished by writing to the command register of an internal state
machine. A simple command protocol (compatible with SPI) is used to address this register.
A typical application of the TSC2008 is shown in Figure 20.
Figure 20. Typical Circuit Configuration
Copyright 2008–2009, Texas Instruments Incorporated
11
Product Folder Link(s): TSC2008
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TSC2008IYZGR | 功能描述:觸摸屏轉換器和控制器 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 |
| TSC2008IYZGT | 功能描述:觸摸屏轉換器和控制器 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 |
| 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 |
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