參數(shù)資料
型號(hào): TSC2300IPAGG4
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): 33/81頁(yè)
文件大?。?/td> 1039K
代理商: TSC2300IPAGG4
www.ti.com
Issue Interrupt
PENIRQ
Turn On Drivers: Y+, Y–
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
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
N
Y
N
Touch Screen Scan X and Y Host Initiated
Done
Host Writes A/D
Converter
Control Register
Reset PENIRQ
Y
TSC2300
SLAS372 — NOVEMBER 2002
Figure 53. X and Y Coordinate Touch Screen Scan, Initiated by Host.
39
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