參數(shù)資料
型號(hào): TSC2300IPAGR
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH AUDIO CODEC
中文描述: 可編程觸摸屏控制器與音頻編解碼器
文件頁數(shù): 36/81頁
文件大?。?/td> 1094K
代理商: TSC2300IPAGR
www.ti.com
Turn On Drivers: Y+, Y–
Issue
Interrupt
PENIRQ
Is PENSTS =1
Start Clock
Is Panel Voltage
Stabilization Done
Convert Y coordinates
Store Y Coordinates in Y
Register
Is Screen Touched
Turn On Drivers: X+, X–
Is Panel Voltage
Stabilization Done
Convert X coordinates
Store X Coordinates in X
Register
Set /DAV = 0
Is Screen Touched
Turn off clock
Reset PENIRQ and Scan
Trigger
Screen
Touch
Done
Go To Host Controlled
Conversion
N
Turn off clock
Reset PENIRQ and Scan
Trigger
Done
Power up ADC
Power Down ADC
Power up ADC
Power Down ADC
Is Data
Avereraging Done
Is Data
Avereraging Done
N
Y
Y
N
Y
N
Y
Y
N
N
Y
Y
N
Touch Screen Scan X and Y PENIRQ Initiated
TSC2300
SLAS372 — NOVEMBER 2002
Figure 51. X & Y coordinate touch screen scan, initiated by touch.
36
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