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參數(shù)資料
型號(hào)： TSC2300IPAGRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： GREEN, PLASTIC, TQFP-64
文件頁(yè)數(shù)： 7/83頁(yè)
文件大小： 1268K
代理商： TSC2300IPAGRG4
www.ti.com
TSC2300
SLAS372 — NOVEMBER 2002
OVERVIEW
The TSC2300 is an analog interface circuit for human interface devices. A register-based architecture eases
integration with microprocessor-based systems through a standard SPI bus. All peripheral functions are
controlled through the registers and onboard state machines.
The TSC2300 consists of the following blocks (refer to the block diagram on p. 2):
Touch Screen Interface
Keypad Interface
Battery Monitors
Auxiliary Inputs
Temperature Monitor
Current Output Digital-to-Analog Converter
Audio Codec and Signal Processing
Communication to the TSC2300 is via a standard SPI serial interface. This interface requires that the slave select
signal be driven low to communicate with the TSC2300. Data is then shifted into or out of the TSC2300 under
control of the host microprocessor, which also provides the serial data clock.
Control of the TSC2300 and its functions is accomplished by writing to different registers in the TSC2300. A
simple command protocol is used to address the 16-bit registers. Registers control the operation of the touch
screen A/D converter, keypad scanner, and audio codec.
The result of measurements made will be placed in the TSC2300’s memory map and may be read by the host at
any time. Three signals are available from the TSC2300 to indicate that data is available for the host to read. The
DAV output indicates that an analog-to-digital conversion has completed and that data is available. The KBIRQ
output indicates that an unmasked key on the keypad has been pressed and de-bounced. The PENIRQ output
indicates that a touch has been detected on the touch screen.
A typical application of the TSC2300 is shown in Figure 44.
15
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSC2301 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC
TSC2301EVM 功能描述:觸摸傳感器開發(fā)工具 TSC2301 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:
TSC2301IGQZ 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
TSC2301IGQZR 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
TSC2301IPAG 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
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