BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 746

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.21.5
Flow Chart of Touch Screen Interface (TSI)
(1) Touch detection procedure
The following pages explain each circuit condition (a), (b) and (c) in the flow chart above:
Main Routine
main routine
Execute the
TSICR0←0x98
TSICR1←0xXX (voluntary)
Figure 3.21.6 Flow example for TSI
TENTATIVE
TMPA900CM- 745
(a)
(2) X/Y position measuring procedure
Yes
<X-coordinate position measurement>
<Y-coordinate position easurement>
• TSICR0←0xC5
• AN5 AD conversion
• Store the AD conversion result.
Return to the main routine.
Execute the processes by using
X/Y-coordinate position information
• TSICR0←0xCA
• AN4 AD conversion
• Store the AD conversion result.
TSICR0<PTST> == 1?
INTA Routine
TSICR0←0x88
Still touched?
No
TMPA900CM
(b)
2009-10-14
(c)