BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 739

• 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

AVSS3AD
PD6/INTA
PD5/AN5
PD4/AN4
AVCC3AD
VREFH
VREFL
PD7
3.21 Touch Screen Interface (TSI)
(MY)
(MX)
(PY)
(PX)
3.21.1
two procedures: touch detection and X/Y position measurement. Each procedure is performed
by setting the TSI control register (TSICR0 and TSICR1) and using an internal AD converter.
An interface for 4-terminal resistor network touch-screen is built in. The TSI easily supports
TSI External Connection Diagram and Internal Block Diagram
X+
PXD (typ.50kΩ)
Screen
Touch
Y-
Y+
SPY
SMX
Figure 3.21.2 Internal block diagram of TSI
Figure 3.21.1 External connection of TSI
External Capacitors
X-
TENTATIVE
TMPA900CM- 738
SPX
SMY
Dec.
MY
MX
PY
PX
TMPA900CM
PXEN
PYEN
MXEN
MYEN
INTA
AN5
AN4
AVCC3AD
AVSS3AD
VREFH
VREFL
TSI7
AD converter
Touch screen control
PTST
INTA
TMPA900CM
2009-10-14
Interrupt
controller