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IO port all the leads for easy expansion.
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Onboard BSL download interface, supporting BSL download, direct download.
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The onboard JTAG debugging interface, convenient online debugging.
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Onboard resettable fuse, effective when burned chip to prevent a short circuit of the development board.
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Board 2 four-in-one digital tube, digital tube display.
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onboard water lights, Marquee experiments.
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onboard the LCD1602 LCD interface, external 1602 LCD LCD.
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onboard LCD12864 LCD interface, external LCD12864 LCD display.
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module onboard clock using DS1302 chip, with a spare battery holder, clock continued walking.
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Onboard AT24C02 memory chips
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onboard analog-to-digital conversion
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onboard MAX3485 chip, low power consumption, and can easily achieve 485communication.
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Onboard MAX232 chip with a serial port, Block, and serial communication.
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Onboard DS18B20 temperature sensor. Two temperature sensor interface, all the way on-board sensors, all the way extended use.
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The onboard PC838 infrared receiver, to receive infrared encoding.
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Onboard buzzer, can achieve the audible alarm and other functions.
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Supply a variety of ways. USB port power supply, independent power supply, BSLdownload port supply a variety of ways.
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two onboard analog comparator input
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Onboard AD conversion input
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Onboard 4 * 4 matrix keyboard
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onboard three separate keys
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Features:
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Low-power 16- bit microcontroller
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Reduced instruction set ( RISC ), a single-cycle instruction, with the hardware multiplier powerful computing processing module.
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Low power consumption, operating modes, the standby current is less than1uA ( 51 standby thousandth).
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Rich on-chip peripherals, open architecture, 16- bit data processing capabilities, a complete on-chip data link.
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Single-chip, high cost performance.
Resources:
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to 48 IO ( can be set the ordinary IO or internal module input / output ).
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3 Timer A compare / capture module ( with PWM module ).
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seven Timer B compare / capture module ( with PWM module ).
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The USART0 has (UART and SPI).
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The USART1 (UART and SPI).
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The 1 a-chip comparator A.
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8 channel analog input port .
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On-chip 2.5V and 1.5V reference voltage ,
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1 Road external reference voltage input port .
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internal reference voltage can be output .
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