| Compact XScale SBC spares power, runs Windows CE |
Apr. 07, 2006
 The latest XScale SBC (single-board computer) from Applied Data Systems (ADS) provides dynamic speed and voltage regulation and five low-power modes to optimize power dissipation for handheld, wearable, and other power-sensitive applications. The 3 x 5-inch BitsyXb is based on a 520MHz Intel PXA270 processor and supports Windows CE 5.0, among other OSes, according to the company.
(Click here for larger BitsyXb image)
ADS says the BitsyXb provides graphics control for color LCDs with resolutions up to 1024 x 768 pixels (XGA), plus a controller for a resistive touchscreen for operator input on that LCD. The board's audio functions are implemented by means of a 16-bit AC97 stereo codec, which is equipped with a 1W/channel stereo audio amplifier.
The BitsyXb also includes an I2C bus with master controller, RDA transceiver, temperature probe, real-time clock, and a choice of a CompactFlash connector, Ethernet connector, or expansion slot header with 16 address and 11 data lines. It has a -40 to +85 degrees C operating temperature range, and operates off a 5V or 6-16V power input, dissipating under 1W.
Feature summary
Key features, according to the company, include: - Processor -- 520MHz Intel XScale PXA270 processor
- Memory:
- Program/frame buffer -- up to 128MB DRAM
- flash -- up to 32 MB (asynchronous) or 64 MB (synchronous)
- boot EPROM -- 128 KB
- Graphics:
- Built-in LCD controller
- Up to 1024 x 768 pixels (XGA)
- Resistive touchscreen controller
- Audio:
- 16-bit AC97 stereo codec
- Stereo audio amplifier, 1W per channel
- Stereo speaker output; stereo mike input
- Input/output ports:
- USB master hub:
- One USB host port
- One USB function port (requires personality board)
- Intel QuickCapture camera sensor input bus
- Three serial ports:
- COM1 -- RS232 (8 wires)
- COM2 -- 2 wire, 3V CMOS levels; optional: RS232 or IrDA transmitter
- COM3 -- 4 wire (RxD, TxD, RTS and CTS), configurable at RS232
- SPI port
- I2C bus with I2C master controller
- Support for PS2 connection (requires personality board)
- Ten digital I/O lines
- ADSmartIO -- 9 configurable input/outputs, possible configurations include:
- 5x4 keypad/touchscreen + remaining digital I/O's, or
- 4 analog inputs + 5 digital I/O's, or
- 9 digital I/O's
- Expansion -- PCMCIA Type II socket
- Size -- 3 x 5 inches
- Operating temperature -- -40 to +85 degrees C
In addition to Windows CE 5.0, ADS also offers Linux support for the BitsyXb, and other embedded OSes are available on demand, the company says.
Availability
The BitsyXb is available immediately, priced in the $300s.
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