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Low-power ARM9 microcontroller with integrated support for man machine interfaces

11th June 2009

Toshiba

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The latest addition to Toshiba Electronics Europe’s family of scalable, low-power ARM-based microcontrollers allows designers to quickly and easily add man-machine interface (MMI) functionality to their embedded designs. The TMPA912CMAXBG is based on the 32-bit ARM926EJ-S core and is ideal for embedded systems that require integrated display control and graphic processing capabilities but do not need all of the performance, memory and functionality offered by previous models in the Toshiba ARM9 family. Full pin and software compatibility with other members of the family protects investment by supporting upgrades to higher end devices as necessary with minimum system redesign.

As well as the low-power, 32-bit ARM926EJ-S core running at 200MHz (0°C to +70°C) and 150MHz (-20°C to +85°C), the new micro offers 32Kbytes of embedded RAM for program, data and display memory. A memory controller supports SDR and DDR SDRAM and up to 2.5Gbytes of linear access space can be addressed.

Integrated features of use in MMI designs include a built-in LCD controller, a touch screen interface, a CMOS camera interface and an LCD data processor accelerator (LCDA). The LCD controller is suitable for TFT and STN display sizes up to 1024 x 768 pixels. The LCDA supports resolutions to WVGA (800x480) and delivers image scaling, filtering and blending functions.

Connectivity options include SPI, UART, I2C, I2S, and a high-speed USB device (480Mbps). Additional built-in peripherals include a 10-bit ADC, a six-channel, 16-bit timer, a watchdog timer, real time clock and alarm functionality.

Supplied in a 361-pin FPGA package the TMPA912CMAXBG is supported by extensive software tools that includes graphics libraries and embedded operating systems, the new device is supported through the availability of a Starter Kit and Reference Platform that further speed application development and prototyping.

The TMPA912CMAXBG is pin compatible with the TMPA910CRBXBG, TMPA911CRXBG and TMPA913CHXBG.