厂商：Freescale
类别：16位单片机
厂商：Atmel
类别：8051单片机
厂商：Panasonic
类别：PhotoMOS(MOSFET输出光电耦合器)
厂商：Linear
类别：电源管理IC
类别：DC/DC控制器
厂商：Yageo
类别：通孔电阻器
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High performance CMOS Flash version of the 80C51 CMOS single-chip 8-bit microcontroller with a 64-KB flash memory block for code and for data, and 2048 bytes of EEPROM for nonvolatile data storage. The flash memory can be programmed in parallel or serial mode using the ISP capability or using software. The programming voltage is internally generated from the standard VCC pin. This device retains all of the features of the Atmel 80C52 and adds a programmable counter array, 1792 bytes of XRAM, a hardware watchdog timer, SPI interface, keyboard, a more versatile serial channel that facilitates multiprocessor communication (EUART), and a speed improvement mechanism (X2 Mode).