TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 683

• Manufacturer Part Number: TMPA901CMXBG
• Description: Microcontrollers (MCU) 32-bit RISC MCU 16kb ARM926EJ 16kb 200Mhz
• Manufacturer: Toshiba

Specifications of TMPA901CMXBG

• Product Summaries: Summary
• Lead Free: Yes
• Rohs Compatible Product(s): Available
• Rom (kbytes): -
• Rom Type: ROMless
• Ram (kbytes): 32
• Number Of Pins: 177
• Package: BGA
• Vcc: 3V
• Tft Lcd Controller: Y
• Touchscreen Controller: Y
• Usb Host Fs With Phy: Y
• Usb Device Hs With Phy: Y
• Sd Host Controller: -
• Cmos Image Sensor Interface: -
• I2s: 1
• Ssp (ch) Spi: 1
• I2mc/sio (ch): 1
• Uart/sio (ch): 2
• External Bus Interface: Y
• Cs/wait Controller (ch): 4
• Dma Controller: 8
• 10-bit Ad Converter: 4
• 12-bit Da Converter: -
• 16-bit Timer / Counter: 6
• Real Time Clock: Y
• Watchdog Timer: Y
• Osc Freq Detect: Y
• Low-power Modes: Y
• Lead Free Status / Rohs Status: Details

3.20.5
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 3.20.6 Flow example for TSI
TMPA901CM- 682
(a)
(2) X/Y position measuring procedure
Yes
<X-coordinate position measurement>
<Y-coordinate position easurement>
Return to the main routine.
Execute the processes by using
X/Y-coordinate position information
TSICR0 0xC5
AN5 AD conversion
Store the AD conversion result.
TSICR0 0xCA
AN4 AD conversion
Store the AD conversion result.
TSICR0<PTST>
INTA Routine
TSICR0←0x88
Still touched?
No
1?
TMPA901CM
(b)
2010-07-29
(c)