CpuArm02 – Processor board with ARM7 55 MHz

CpuArm02 – Processor board with ARM7 55 MHz

  • CPU ATMEL ARM7 – 55 MHz
  • 16 MIPS Dhrystone 2.1
  • RAM 128 kB
  • FLASH 512 kB
  • 2 kB FRAM for data storage
  • battery-backed realtime clock
  • 3× RS232
  • CAN 1 Mbit, electrically isolated
  • USB 2.0 Device
  • 16 digital inputs 24V with indication
  • 16 digital outputs with indication
  • 8 analog inputs
  • 8 analog outputs
  • XBus interface for connecting extension boards
  • bootloader for software uploading through RS232 interface
  • power supply voltage 15–30 VDC


Description

CpuArm02 is processor board of control system equipped with processor Atmel ARM7 working at 55 MHz.

Processor board is also equipped with 2 kB FRAM, electrically isolated CAN bus, three RS232 interfaces, 8 analog inputs, 8 analog outputs, 16 digital inputs, 16 digital outputs and XBus interface for connecting extension boards.

Embedded bootloader allows uploading software equipment directly through RS232 interface.

Technical parameters

  • Power supply voltage: 15–30 VDC
  • Power consumption: 60 mA @ 24 V, 80 mA @ 15 V (without extension boards)
  • Operating temperature: 0–70 °C
  • Processor
    • Type: ATMEL ARM7 55 MHz
    • FLASH: 512 kB
    • RAM: 128 kB
  • FLASH
    • Capacity: 2 MB
  • FRAM
    • Capacity: 2 kB
  • RTC
    • Date: year, month, day, day of week
    • Time: hours, minutes, seconds, tenths and hundredths
    • leap years to y.2100
    • automatic storage of turn-off time
    • SW calibration
  • XBus
    • Data: 8 bit
    • Adress: 8 bit
    • Interrupts: 2
    • Power supply for extension boards: 5 VDC, max. 4 A
  • USB
    • Type: USB2.0 Device
    • Speed: full speed, 12 Mb/sec
  • RS232 interface
    • Number of independent interfaces: 3
    • Signals: TxD, RxD, GND
    • Baudrate: programmable up to 230400 bps
  • CAN interface
    • Signals: CANH, CANL, GND
    • Bitrate: programmable up to 1Mbit
    • Electrically isolated: yes
    • Indication: receive/transmit
  • Analog inputs
    • Number of inputs: 8
    • Range: selectable 0–5 V or 0–10 V
    • Resolution: 10 bits
  • Analog outputs
    • Number of outputs: 8
    • Range: selectable 0–5 V or 0–10 V
    • Resolution: 10 bits
  • Digital inputs
    • Number of inputs: 16
    • Input voltage: 24 V
    • Indication: yes
  • Digital outputs
    • Number of outputs: 16
    • Output voltage: 12–30 V
    • Protections: current limitation and over-temperature
    • Indication: yes

Software equipment

User application written C or C++ can be uploaded through JTAG or RS232 interface. For software development common development tools (GCC, IAR) can be used. C libraries with routines for peripheral are available.

Documentation