Datasheet

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Turn On Drivers: Y+, Y-
IssueInterrupt
PENIRQ
Is PENSTS =1
Start Clock
Is Panel Voltage
Stabilization Done
Convert Y coordinates
Store Y Coordinates in Y
Register
Set /DAV = 0
Turn off clock
Screen
Touch
Done
Go To Host Controlled
Conversion
N
Power up ADC
Power Down ADC
Is Data
Averaging Done
N
N
Done
Host Writes A/D
Converter Control
Register
Reset PENIRQ
Start Clock
Are Drivers On
Y
N
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
Touch Screen Scan Y Coordinate Host Initiated
Figure 56. Y Coordinate Reading Initiated by Host
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