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ADI的ARM开发板电路原理图(ADuC7020-IO开发板)
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时间:2020-04-16
大小:356.98KB
阅读数:41
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是ADI公司的ADuC7020芯片的IO核心板!蛮不错的!实际效果图: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 source45MHz 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 C Programmable Logic (Array), Power Specified for 3V operation, Active Mode: 6mW (@1MHz) 300mW (@45MHz), Fully specified for C40°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")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……
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