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參數(shù)資料
| 型號： | TSC2200EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TSC2200 Touch Screen Controller Evaluation Module(TSC2200觸摸屏控制器評估模塊) |
| 中文描述： | TSC2200觸摸屏控制器評估模塊（TSC2200觸摸屏控制器評估模塊） |
| 文件頁數(shù)： | 28/45頁 |
| 文件大?。?/td> | 468K |
| 代理商： | TSC2200EVM |
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Operation
3-10
3.2.2.5 X-Y Interface Connector
Table 16.
X-Y Interface Connector.
Reference
Designator
Description
Pin
Number
Signal Name
Function
1
X+
X+ Signal From Touch
Screen
2
X-
X- Signal From Touch
Screen
3
Y+
Y+ Signal From Touch
Screen
4
Y-
Y- Signal From Touch
Screen
5, 6
NC
No Connection
7
VBAT1
Battery 1 Input From J7
8
VBAT2
Battery 2 Input From J7
9
AUX1
Auxiliary Input 1 From J7
J10
Analog interface to
touch screen controller.
10
AUX2
Auxiliary Input 2 From J7
3.3 Circuit Description
The TSC2200 evaluation kit consists of the TSC100PM motherboard and the
TSC2200EVM daughter card. Taken together, the circuit breaks down into a power
supply, a digital interface, a touch screen and analog inputs interface, a keypad interface,
and a DAC circuit. These circuits are described below.
3.3.1 Power Supply
Power to the TSC100PM motherboard can be supplied through the J3 terminal block, or
the J4 barrel jack connector. 6VDC to 12VDC must be supplied. Since it is regulated on
the TSC100PM, this input voltage does not need to be regulated, as long as it falls within
this range. D1 prevents a power supply which is connected with the wrong polarity from
damaging the board.
U2 and U3 regulate the input supply voltage to provide 5V and 3.3V, respectively. Each
regulated supply voltage has an LED attached which will alert the user that the supply is
working.
3.3.2 Digital Interface
The SPI interface to the TSC100PM motherboard can be controlled from two sources: the
external SPI header, J2, or from the PC parallel port, J1. The PC parallel port connection
is buffered through U1. U1's outputs are enabled only when pin 1 of U1 is LOW. This pin
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| TSC2200IPW | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc 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 |
| TSC2200IPWG4 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc 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 |
| TSC2200IPWR | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc 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 |
| TSC2200IPWRG4 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc 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 |
| TSC2200IRHB | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc 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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