參數(shù)資料
型號: TSC2300IPAGRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 31/83頁
文件大?。?/td> 1268K
代理商: TSC2300IPAGRG4
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
Avereraging
Done
Is Data
Avereraging
Done
N
Y
N
Y
N
Y
N
Y
N
Touch Screen Scan X, Y and Z PENIRQ 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
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
Y
TSC2300
SLAS372 — NOVEMBER 2002
Figure 52. X,Y and Z Coordinate Touch Screen Scan, Initiated by Touch.
Conversion Controlled by TSC2300 Initiated By Host Responding to PENIRQ
This mode is provided for users who want more control over the A/D conversion process. This mode requires more
overhead from the host processor, so it is generally not recommended.
37
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參數(shù)描述
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