AT89C51AC3-S3SUM

ATMEL  AT89C51AC3-S3SUM  微控制器, 8位, AT89C51, 60 MHz, 64 KB, 2 KB, 52 引脚, LCC

The is a high-performance 8-bit single-chip Flash Microcontroller. In X2 mode a maximum external clock rate of 20MHz reaches a 300ns cycle time. Besides the AT89C51AC3 provides 64kB of flash memory including In-system programming ISP and IAP, 2kB boot flash memory, 2kB EEPROM and 2048B ERAM.

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80C51 Core architecture

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Boot code section with independent lock bits

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In-system programming by on-chip UART boot program and IAP capability

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Integrated power monitor POR - PFD to supervise internal power supply

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14-sources 4-level Interrupts

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Three 16-bit timers/counters

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Full duplex UART compatible 80C51

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Five ports - 32 + 4 digital I/O lines

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Five-channel 16-bit PCA

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Double data pointer

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21-bit Watchdog timer 7 Programmable bits

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10-bit resolution Analog-to-digital converter ADC with 8 multiplexed Inputs

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On-chip Emulation logic Enhanced hook system

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Power saving modes - Idle mode, Power-down mode

Primary attention is paid to the reduction of the electro-magnetic emission of AT89C51AC3.