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
- FRAM
- 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