CM-X300 Computer-On-Module
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CM-X300 Top |
CM-X300 Bottom |
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The CM-X300 is a small Computer-on-Module board designed to serve as a building
block in embedded applications. The CM-X300 has all the components
required to run operating systems such as Linux and Windows CE. Ready packages for
these operating systems are available from
CompuLab. The small size and low power consumption of the CM-X300 allows its integration into hand-held and mobile devices, while its low price makes it an ideal selection for cost-sensitive applications. The CM-X300 delivers a price / performance ratio significantly better than that of any other platform. The feature set of the CM-X300 module combines a 32-bit CPU, DDR, Flash Disk and vital computing peripherals. For embedded applications, the CM-X300 provides a general purpose local bus, 100Mbit Ethernet, serial ports, I/O lines and other essential functions. Targeting the handheld application market as well, the module provides integrated WLAN (WiFi) and Bluetooth interfaces to implement industry standard wireless connectivity. Integrated battery charging and management enables easy integration in battery-powered mobile devices. The standardized CAMI ("CompuLab's Aggregated Module Interface") connectors of the CM-X300 module allow interchangeability with other Computer-On-Module's available from CompuLab, enabling the flexibility required in a dynamic market where application requirements can change rapidly. See O/S Support Coverage Map For more information, see |
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Block Diagram

CM-X300 Features
"Option" column
specifies the configuration code required to have the particular
feature.
"+" means that the feature is always available.
CPU, Memory and Busses
| Feature | Specifications | Option |
| CPU | Marvell XScale PXA300 / PXA310 / PXA320
CPU 208 / 624 MHz, WMMX2, 2*128K internal SRAM 32 KB I-cache and 32 KB D-cache, WB, 128 MB address space DMA and Interrupt controllers, Timers |
C |
| RAM | 64 - 128 MB, DDR, 208 MHz, 16-bit | D |
| NAND Flash Disk | 512 Mbytes, bootable. | N |
| External local bus | 16-bit, variable rate up to 52 MHz, 3.3V tolerance | + |
| AC97 bus | AC97 / AMC97 Rev 2.1 compliant | + |
Peripherals
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Feature |
Specifications |
Option |
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Graphics Controller |
8/16
bit color, TFT / STN, frame
buffer in CPU SRAM or system DDR |
+ |
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Camera Interface |
Direct camera sensor support, max resolution 2560 x 2048, pixel clock up to 52MHz. Available only with PXA310 CPU. |
C624M |
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Hardware acceleration |
Supports up to D1
decode and encode performance for codecs including H.264,
MPEG-4, H.263, MPEG-2, RealVideo and Microsoft WMV9. |
C624M | ||||||
| USB | USB1: Full speed Host port. Shared with Bluetooth, therefore not available with "W" option |
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| USB2: In C624 - USB1.1 Full Speed host/device and OTG. In C624M - USB2.0 device | + | |||||||
| USB3: USB 2.0 Device port. Not available with "C624M" option |
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Serial
Ports |
Up
to 3 UART ports, 16550 compatible, max 921 kbps |
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General Purpose I/O |
42 dedicated lines (32 I2C-controlled + 10 memory-mapped) plus additional lines shared with other functions. Can also be used as interrupt inputs. |
+ |
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Keyboard & mouse |
USB, keypad or redirection from COM port |
+ |
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Ethernet |
Davicom DM9000A MAC & PHY, 10/100BaseT, Activity LED's |
E |
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Audio codec |
Wolfson W9712L, AC97 interface, mono microphone input, stereo line input and 25 mW output for active speakers |
AT |
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Touchscreen ctrl. |
A part of the W9712L codec chip. Supports resistive touch panels. |
AT |
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RTC |
Real Time Clock, powered by external lithium battery |
R |
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WiFi |
Implements
802.11b/g wireless connectivity standard |
W |
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Bluetooth |
Bluetooth
V2.0+EDR system. CSR BlueCore4-ROM chipset, 2.4GHz band, up to
3Mbps. On-board ceramic chip antenna and connector for
external antenna. |
W |
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| Battery support |
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Electrical, Mechanical and Environmental Specifications
| Supply Voltage | 3.3V from regulated power supply, or 3.4 to 4.5V from battery | ||||||
| Active power consumption | 0.2 - 2 W, depending on configuration and CPU speed | ||||||
| Standby/Sleep consumption | 20 - 100 mW, depending on configuration and mode | ||||||
| Dimensions | 66 x 44 x 7 mm | ||||||
| Weight | 25 gram | ||||||
| MTBF | > 100,000 hours | ||||||
| Operation temperature (case) |
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| Storage temperature | -40o to 85o C | ||||||
| Relative humidity | 10% to 90% (operation) 05% to 95% (storage) |
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| Shock | 50G / 20 ms | ||||||
| Vibration | 20G / 0 - 600 Hz | ||||||
| Connectors | 2 x 140 pin, 0.6 mm | ||||||
| Connector insertion / removal | 50 cycles |
For more information see:
- CM-X300
Reference Guide
- Developer Resources

