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AT89LS51 Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT89LS51 Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 32 page Features • Compatible with MCS®-51 Products • 4K Bytes of In-System Programmable (ISP) Flash Memory – Endurance: 1000 Write/Erase Cycles • 2.7V to 4.0V Operating Range • Fully Static Operation: 0 Hz to 16 MHz • Three-level Program Memory Lock • 128 x 8-bit Internal RAM • 32 Programmable I/O Lines • Two 16-bit Timer/Counters • Six Interrupt Sources • Full Duplex UART Serial Channel • Low-power Idle and Power-down Modes • Interrupt Recovery from Power-down Mode • Watchdog Timer • Dual Data Pointer • Power-off Flag • Flexible ISP Programming (Byte and Page Mode) • Green (Pb/Halide-free) Packaging Option 1. Description The AT89LS51 is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the pro- gram memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with in-system programma- ble Flash on a monolithic chip, the Atmel AT89LS51 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89LS51 provides the following standard features: 4K bytes of Flash, 128 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, two 16-bit timer/counters, a five-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89LS51 is designed with static logic for opera- tion 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. The Power-down mode saves the RAM contents but freezes the oscillator, disabling all other chip functions until the next external interrupt or hardware reset. 8-bit Low-Voltage Microcontroller with 4K Bytes In-System Programmable Flash AT89LS51 3053B–MICRO–3/05 |
Número de pieza similar - AT89LS51_06 |
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Descripción similar - AT89LS51_06 |
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