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ADuC812单片机多通道12位ADC与嵌入式闪存微程序控制器
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The ADuC812 is a fully integrated 12-bit data acquisition system incorporating a high performance self-calibrating multichannel ADC， dual DAC， and programmable 8-bit MCU （8051 instruction set compatible） on a single chip. The programmable 8051 compatible core is supported by 8K bytes Flash/EE program memory， 640 bytes Flash/EE data memory， and 256 bytes data SRAM on-chip. Additional MCU support functions include Watchdog Timer， Power Supply Monitor， and ADC DMA functions. Thirty-two programmable I/O lines， I2 C compatible SPI and Standard UART Serial Port I/O are provided for multiprocessor interfaces and I/O expansion. Normal， idle， and power-down operating modes for both the MCU core and analog converters allow flexible power management schemes suited to low power applications. The part is specified for 3 V and 5 V operation over the industrial temperature range and is available in a 52-lead， plastic quad flatpack package.
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