參數(shù)資料
型號： TSC2200
英文描述： PDA ANALOG INTERFACE CIRCUIT
中文描述： 掌上電腦模擬接口電路
文件頁數(shù)： 21/40頁
文件大?。?/td> 645K
代理商： TSC2200
21
www.ti.com
TSC2200
SBAS191F
FIGURE 9. X- Y- and Z-Coordinate Touch Screen Scan, Initiated by Touch.
Screen
Touch
Issue Interrupt
PENIRQ
Go to Host-Controlled
Conversion
Touch Screen Scan
X, Y, and Z
PENIRQ Initiated
Done
No
No
Yes
Yes
Yes
No
No
Yes
Is Data
Averaging Done
Is Screen
Touched
Is Panel Voltage
Stabilization Done
Turn On Drivers: Y+, Y
–
Start Clock
Store X-Coordinates in
X-Register
Power Down A/D Converter
Power Up A/D Converter
Reset PENIRQ and
Scan Trigger
Turn Off Clock
Done
Reset PENIRQ and
Scan Trigger
Turn Off Clock
Convert X-Coordinates
Is PSM = 1
No
Yes
Is Panel Voltage
Stabilization Done
Convert Z
1
-Coordinates
Turn On Drivers: Y+, X
–
Power Up A/D Converter
No
Yes
Is Data
Averaging Done
Done
No
Yes
No
Is Screen
Touched
Is Data
Averaging Done
Yes
Convert Z
2
-Coordinates
Store Z
2
-Coordinates
in Z
2
-Register
Reset PENIRQ and
Scan Trigger
Power Down A/D Converter
Turn Off Clock
Issue Data Available
Is Screen
Touched
No
Yes
Yes
Is Panel Voltage
Stabilization Done
Convert Y-Coordinates
Turn On Drivers: X+, X
–
Power Up A/D Converter
No
Is Data
Averaging Done
Store Y-Coordinates
in Y-Register
Power Down A/D Converter
Store Z
1
-Coordinates
in Z
1
-Register
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相關代理商/技術參數(shù)
參數(shù)描述
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 工具用于評估: 接口類型: 工作電壓: 最大工作溫度:
TSC2200IPW 功能描述:觸摸屏轉換器和控制器 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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