Datasheet

www.ti.com
Turn On Drivers: Y+, Y-
Issue Interrupt
PENIRQ
Is PENSTS =1
Is Panel Voltage
Stabilization Done
Conver Y coordinates
Store Y Coordinates in Y
Register
Set /DAV = 0
Turn off clock
Screen
Touch
Done
Go To Host Controlled
Conversion
Power up ADC
Power Down ADC
Is Data
Averaging
N
N
Y
Done
Host Writes A/D
Converter Control
Register
Reset PENIRQ
Done
Host Writes A/D
Converter Control
Register
Start Clock
Are Drivers On
Y
N
Y
N
Start Clock
Turn On Drivers: Y+, Y-
Done
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
Host Controlled Y Coordinate
Figure 59. Y Coordinate Reading Controlled by Host
51