TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 120

• 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

3.8.4
1) Scatter/gather function
and DMACCxConfiguration Register<ITC>=1. In case that terminal count interrupt is
generated only when the final DMA transfer using scatter/gather function is performed, set
DMACCxControl Register<I>=0 and DMACCxConfiguration Register<ITC>=1 to start
transfer, and set <I>=1 in the final DMA transfer configuration flow to generate e terminal
count interrupt only during the final DMA transfer.
using linked lists can be executed. An interrupt can be cleared by configuring the
corresponding bit of the DMACIntTCClear register.
CPU by allowing the transfer settings (source address, destination address, transfer count,
transfer bus width) to be re-loaded each time a specified number of DMA transfers have
been completed. This is done by using the linked lists (LLI)..
Special Function
consecutive data. The addresses of the image data to be transferred are scattered
according to specific rule. Since DMA can only transfer data to consecutive addresses, the
transfer settings must be reconfigured each time a gap occurs in the sequence of transfer
addresses.
When a part of image data is cut off and transferred, the image data is not be handled as
The scatter/gather function enables a continuous DMA operation without involving the
The scatter/gather function is controlled by setting the DMACCxLLI register to 1.
A linked list includes information comprised of the following four words:
It is also possible to generate interrupts in conjunction with the scatter/gather function.
Terminal count interrupt is generated by setting both DMACCxControl Register<I>=1
If enabled, additional operations (e.g. adding conditions, branch etc.) during transfer
1) DMACCxSrcAddr
2) DMACCxDestAddr
3) DMACCxLLI
4) DMACCxControl
Screen image
image is cut out.
A part of screen
TMPA901CM- 119
Screen data
Addresses are not
continuous.
TMPA901CM
2010-07-29