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The H-Drive™(HD) is a high performance, low cost, C/C++ programmable embedded controller based on a 40 MHz 16-bit CPU.

It is intended for networking industrial process control, data acquisition, and especially ideal for Human Interface Device(HID) OEM applications.

A Fast Ethernet Module can be installed to provide 100M Base-T network connectivity. This Ethernet module has a hardware LSI TCP/IP stack. It implements TCP/IP, UDP, ICMP and ARP in hardware. It releases internet connectivity and protocol processing from the host processor, which represents a huge improvement over software-based TCP/IP stacks. The resulting system can easily handle transmissions in the 100KB/s+ range in real world applications.

A Host USB controller can be installed to provide two Host USB Ports. Port1 can interface to a USB keyboard/mouse. Port 2 supports a USB Flash Disk. Simple commands can handle FAT file system applications. No USB specific firmware programming is required on the controller side.

A 24-bit ADC(LTC2448) offers 8 ch. differential or 16 ch. single-ended input channels. A peak single-channel output rate of 5 KHz can be achieved. A 12-bit ADC (TLC2543, 0-5V) provides 11 ch. analog inputs at up to 10K Hz sample rate. A 16-bit DAC(LTC2600) provides 8 analog output voltages (0-5V).

The HD supports up to 2 GB mass storage CompactFlash cards with Windows compatible FAT file system support, allowing user easily transfer large amounts of data to or from a PC.

The HD features 16-bit ACTF Flash (256 KW) and battery-backed SRAM (256 KW). It also includes 4 TTL I/Os, 3 timers, 512 bytes EEPROM, watchdog timer, and Real Time Clock(DS1337).
There are a total of 6 UARTs on board: 2 from the CPU chip, 4 from QUART chip(TI16C754B). By default all UARTs are supported by RS232 drivers. Two of the QUART RS232 ports can be converted to RS485.

Seven high voltage I/Os (30V DC inputs or 50V sinking outputs) are included. Optional 8 sourcing driver can be installed. Two mechanical Reed Relays provide reliable, fast switching contacts with a specification of 200 V, maximum 1 Amp carry current, 0.5 Amp switching, and 100 million times operation. A Color TFT display (320×240 pixels, 5.7″, No touch screen) can be installed. Aluminum Bezel and plastic enclosures for the 5.7″ display are available.

The HD can be powered by regulated 5V, or 9-12V with on-board linear regulator, or 9-24V with optional switching regulator. The HD works with most TERN expansion boards including the P52, P100, P300, MotionC, MMC, UR8, and EyeJ.

  • 4.25 x 3.3″:, 250 mA at 5V, DC Power 24V/12V/5V
  • 40 MHz 16-bit CPU, program in C/C++
  • 8 high voltage I/Os, 4 TTL I/Os and 2 Reed Relays
  • 6 RS232/485 serial ports, Real-time clock, PWM,Timers
  • 16 ch. 24-bit ADC, 11 ch. 12-bit ADC, 8 ch. 16-bit DAC
  • Hardware TCP/IP stack for 100M Base-T Ethernet
  • CompactFlash card with FAT file system support
  • Two Host USB ports for Flash Disk, USB mouse/keyboard
  • QVGA 5.7″ TFT color display interface
  • 40 MHz CPU,
  • 256KW SRAM,
  • PIOs,
  • 6 RS232,
  • 3 timers,
  • watchdog timer,
  • 512 bytes EE,
  • 256KW flash
  • NOT including add-on options.
  • OEM option discounts available.
Quantity Price
1 $169
50 $139
100 $99
1,000+ $89


Add-on Options:

No.Options Price
1Real-time clock (RTC) and battery $20
2CompactFlash interface $20
3USB Host Port1 and Port2 $40
4100M BaseT hardware TCP/IP Ethernet $30
524-bit ADC(LTC2448) $40
6Precision Reference with Temp Senso r $15
78 ch. 16-bit DAC (LTC2600) $60
811 ch. 12-bit ADC (TLC2543) $20
9Switching Regulator $20
10Reed Relay up to 2 $10×2
115.7" Color QVGA TFT $200
12Plastic Enclosure/Aluminum Bezel Call

Typical Order Example:
H-Drive 5.7″Color TFT
HD +11 = $169+$200 = $369