Chinese Version

phyCORE-ADuC8xx
-8051 "Microconverter" Offering AD/DA Conversion

SBC MODULE FEATURES

  • Single Board Computer in subminiature dimensions (55 x 60mm) according to phyCORE specifications
  • Analog Devices 80C51-compatible ADuC812 microcontroller (11.059 MHz clock frequency, optional ADuC824 controller at 32.786MHz)
  • All ports and decoded interface signals extend to standard 2.54 pitch pin header rows aligning the edges of the circuit board
  • flexible address decoding and generation of three Chip-Select signals and different memory models
  • 128 (to 512) KB external Flash supporting in-system (ISP) Flash programming
  • 128 KB (to 1MB) external SRAM
  • 4 (to 8) KB external serial I2C EEPROM (alternatively I2C SRAM or FRAM)
  • serial interface configurable as RS-232 or RS-485 (jumper selectable)
  • optional Philips SJA1000 CAN controller and 82C251 CAN transceiver
  • 8-channel 12-bit ADuC812 A/D converter (12-bit A/D converter if populated with the ADuC824)
  • 24-bit D/A converter (dual 12-bit D/A converter and 5-channel 16-bit A/D converter if populated with the ADuC824)
  • I2C Real-Time Clock with battery buffer
  • 21-bit Watchdog timer (including 7 programmable bits)
  • optional battery back-up (via Vbat) of the SRAM and RTC
  • requires single 5V power supply for operation and Flash programming

SBC Module Description

The phyCORE-ADuC812 supports the Analog Devices ADuC-812 (optional ADuC824) "MicroConverter" in a TQFP-52 package. This device offers an 8051 core with on-chip A/D as well as D/A converters, a reference voltage supply and a temperature sensor. The ADuC812 boasts an 8-channel 12-bit A/D converter and dual 12-bit D/A converters. The optional ADuC824 offers a 12-bit D/A as well as 24- and 16-bit A/D converters with a total of five channels. The on-chip non-volatile memory consists of 8KB CODE Flash and 640 bytes DATA Flash. This is augmented by 128 (to 512) KB external Flash and 128 KB (to 1MB) SRAM. The included PHYTEC FlashTools support In-System Programming of the external Flash memory via the RS-232 interface. For networking purposes, the board can be populated by an optional SJA1000 CAN controller and 82C251 CAN transceiver. A Real-Time Clock and 4 (to 8) KB EEPROM can be addressed over the I2C Bus. The module also offers port expansion via eight TTL level inputs and eight TTL level outputs. Three Chip-Select signals enable connectivity to external devices.

 

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