EPIC SBC specializes in data acquisition

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Nov. 16, 2007

Diamond Systems says it is now shipping an EPIC form-factor single-board computer (SBC) with integrated data acquisition capabilities. The Poseidon features Via's C7 or Eden processors, and supports both Windows XP Embedded and Windows CE-based operation, according to the company.

(Click here for a larger view of the Diamond Poseidon)

Diamond says the SBC, designed for harsh environments, is available with a 1 GHz Via Eden ULV processor, or a 2 GHz Via C7. It also features Via's CX 700, a combined northbridge/southbridge chip that saves board area and design complexity.

Poseidon block diagram
(Click to enlarge)
The SBC features 256 MB or 512 MB of soldered-on 533 MHz DDR2 DRAM, along with a 400 MHz front-side bus. The CX700's built-in graphics capability is derived from Via's 128-bit UniChrome Pro IGP core, which provides 2D, 3D, and MPEG-2 acceleration; the board also supports simultaneous CRT and LVDS flat-panel displays.

According to the company, the Poseidon offers an optional integrated data acquisition section. This has 32 analog inputs with 16-bit A/D and 250 KHz sample rate, 4 12-bit analog outputs with 100 KHz waveform output capability, 24 digital I/O lines, and 2 counter/timers.

Poseidon's data acquisition subsystem
The analog circuitry uses Diamond's "patented automatic autocallibration" technology to calibrate its A/D and D/A intervention, according to the company. It supports both interrupt and DMA A/D transfers, and uses an enhanced 1,024-sample FIFO with programmable threshold.

Features and specifications listed by Diamond for the Poseidon include:

Processor -- 1 GHz Via Eden ULV or 2 GHz Via C7
Memory -- 256 or 512 MB of soldered-on RAM
Graphics capabilities:
- 2048 x 1536 pixel CRT resolution
- 1600 x 1200 flat-panel resolution
- 128 MB of shared video memory
Networking -- 10/100/1000 Ethernet
Other I/O:
- 4 x USB 2.0
- 4 x serial ports (2 x RS-232; 2 x RS-232/422/485)
- PS/2 keyboard/mouse port
- SATA
- IDE UDMA 100
- "flash disk interface"
- Audio in/out; mic; amplified speaker interface
Expansion -- PC/104-Plus stack location
Dimensions -- 6.5 x 4.5 inches (165 x 115 mm)
Weight -- approx. 9 ounces

Diamond says that in order to enhance the use of the Poseidon SBC in harsh environments, it is engineered with all on-board I/O brought to pin headers within the I/O zones identified in the EPIC specification. However, I/O that can utilize PC-style connectors is placed adjacent to an optional panel I/O board, allowing use in a suitably equipped enclosure. This panel I/O board is included in a development kit that also includes the Poseidon, cables, and a software CD. The development kit also includes a flash-disk module with Linux pre-loaded, Diamond said.

Availability

The Poseidon SBC is available now, with prices starting at $695, according to the company.

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