Transcription of Programmable Serial Channel 8-bit Microcontroller
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Programmable Serial Channel 8-bit Microcontroller
1 Features Compatible with MCS-51 Products 8K Bytes of In-System Reprogrammable Flash Memory Endurance: 1,000 Write/Erase Cycles Fully Static Operation: 0 Hz to 24 MHz Three-level Program Memory Lock 256 x 8-bit Internal RAM 32 Programmable I/O Lines Three 16-bit Timer/Counters Eight Interrupt Sources Programmable Serial Channel Low-power Idle and Power-down ModesDescriptionThe AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8 Kbytes of Flash Programmable and erasable read only memory (PEROM). The deviceis manufactured using Atmel s high-density nonvolatile memory technology and iscompatible with the industry-standard 80C51 and 80C52 instruction set and on-chip Flash allows the program memory to be reprogrammed in-system or by aconventional nonvolatile memory programmer.
a full-duplex serial port, on-chip oscillator, and clock cir-cuitry. In addition, the AT89C52 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt system to continue functioning.
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