Toshiba H1 Series Data Book page 572

3.20.5 Flow chart for TSI
(1) Touch Detection Procedure
Main Routine:
TSICR0←98H
TSICR1←XXH (voluntary)
Execute Main Routine
Following pages explain each circuit condition of (a), (b) and (c) in above flow chart.
(a)
Figure 3.20.6 Flow chart for TSI
92CZ26A-569
(2) X/Y Position
Measurement Procedure
INT4 Routine:
<X position measurement>
･TSICR0←C5H
･AD conversion for AN3
･Store the result
<Y position measurement>
･TSICR0←CAH
･AD conversion for AN2
･Store the result
Execute an operation
By using X/Y-position
Yes
Still touched?
TSICR0<PTST> = 1?
Return to Main Routine
TMP92CZ26A
(b)
(c)
No