INFO:

ADuC-IO7020 is very good platform for automation application which need fast ADC and DACs and need to commutate high loads. It have 4 relays 240VAC/10A, 4 optoisolated inputs, RS232, JTAG and the 1Msps ADC/DACs are available on separate conenctor for connection to external sensors.

FEATURES:

• MCU: ADuC7020 - ARM7TDMI Core, 16/32-bit RISC architecture, 5 Channels 12-bit, 1MSPS ADC, Differential and single-ended modes, 0 to Vref Analog Input Range, 4 Outputs 12-bit Voltage Output DACs, On-Chip 20ppm/°C Voltage Reference, On-Chip Temperature Sensor (±3°C), Uncommitted Voltage Comparator, JTAG Port, Clocking options: Trimmed On-Chip Oscillator (± 2%), External Watch crystal, External clock source
  45MHz PLL with Programmable Divider, 62k Bytes Flash/EE Memory, 8k Bytes SRAM, In-Circuit Download, JTAG based Debug, Software triggered in-circuit re-programmability, UART, dual I2C and SPI Serial I/O, 14-Pin GPIO Port, 2 X General Purpose Timers, Wake-up and Watchdog Timers, Power Supply Monitor, PLA – Programmable Logic (Array), Power Specified for 3V operation, Active Mode: 6mW (@1MHz) 300mW (@45MHz), Fully specified for –40°C to 85°C operation;
• JTAG connector for in-circuit programming and debugging with ARM-JTAG
• RS232 interface circuit and connector
• I2C connector
• RESET button
• SERIAL DOWNLOAD (bootloader enable) button
• LED status
• power supply circuit with plug-in power jack and diode protection
• 32 768 Hz oscillator crystal
• 4 RELAYs with 10A/250VAC NO and NC contacts with screw terminals
• extension header for ADC and DAC ports
• PCB: FR-4, 1.5 mm (0,062"), green soldermask, white silkscreen component print
• four mounting holes 3.3 mm (0.13")

• ADUC-IO7020.pdf users manual

HARDWARE:

• ADuC-IO7020 Schematic

• ADC read DAC write demo code for EW-ARM
• Blink LED demo code for EW-ARM
• RS232 , UART, demo code for EW-ARM
• DAC sinusoidal generation demo code for EW-ARM
• SPI demo code for EW-ARM
• Basic initializations for ADUC7020 demo code for EW-ARM

ORDERING CODES:
		ADuC-IO7020 Completely assembled and tested