參數(shù)資料
型號(hào): TSC2300IPAGR
廠商: Texas Instruments, Inc.
元件分類(lèi): 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(yè)數(shù): 40/81頁(yè)
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
Stoin X Register
Is Screen
Touched
Turn off clock
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
N
Y
N
Y
Y
N
N
Y
Y
N
Touch Screen Scan X, Y and Z Host Initiated
Turn On Drivers: Y+, X–
Is Panel
Voltage
Stabilization
Done
Convert Z1
coordinates
Store Z1 Coordinates
in Z1 Register
Set /DAV = 0
Power up ADC
Power Down ADC
Is Data
Avereraging
Done
N
Y
Y
N
Convert Z2
coordinates
Store Z2 Coordinates
in Z2 Register
Is Data
Avereraging
Done
N
Y
Turn off clock
Reset PENIRQ and
Scan Trigger
Done
Is Screen
Touched
Done
Host Writes A/D
Converter
Control Register
Reset PENIRQ
TSC2300
SLAS372 — NOVEMBER 2002
Figure 54. X,Y and Z Coordinate Touch Screen Scan, Initiated by Host.
40
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