參數(shù)資料
型號(hào): TSC2302IRGZRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝: GREEN, PLASTIC, VQFN-48
文件頁(yè)數(shù): 29/85頁(yè)
文件大小: 1483K
代理商: TSC2302IRGZRG4
www.ti.com
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
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
Averaging
Done
Is Data
Averaging
Done
N
Y
N
Y
N
Y
N
Y
N
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
Averaging
Done
N
Y
N
Convert Z2
coordinates
Store Z2 Coordinates
in Z2 Register
Is Data
Averaging
Done
N
Y
Turn off clock
Reset PENIRQ and
Scan Trigger
Done
Is Screen
Touched
Y
TSC2302
SLAS394 – JULY 2003
TOUCH SCREEN SCAN X, Y AND Z PENIRQ INITIATED
Figure 47. X,Y and Z Coordinate Touch Screen Scan, Initiated by Touch
35
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