Replacement: None. There is no direct replacement for this board. This page is for reference only.

Carrier board for the ADuC7020 ARM processor.

• 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
• 32.768kHz 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")

• 3.15x3.95" (80x100 mm)

• ADuC-IO7020 Schematic