ATMEL 89C2051 IC
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ATMEL 89C2051 IC The Atmel AT89C2051 IC is a low-voltage, high-performance CMOS 8-bit microcomputer with 2K bytes of Flash programmable and erasable read-only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C2051 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89C2051 provides standard features like 2K bytes of Flash, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five vector two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator and clock circuitry. In addition, the AT89C2051 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. The power-down mode saves the RAM contents but freezes the oscillator disabling all other chip functions until the next hardware reset. Pinout: Pinout Of ATMEL AT89C2051 IC Pinout Applications: Electronic Timers Temperature Control Systems Home Automation Robotics Automotive Applications
- 2K bytes of Flash memory
- 128 bytes of internal RAM
- 15 programmable I/O lines
- Two 16-bit timer/counters
- Full-duplex serial port
- Precision analog comparator
- Idle and Power-down modes
- Compatible with MCS-51 instruction set
- Low-voltage, high-performance operation
- Static design supports zero-frequency operation
- On-chip oscillator and clock circuitry
- Two software-selectable power-saving modes
- Industry-standard MCS-51 compatibility
- Ideal for embedded control and automation
| Reprogrammable Flash Memory | 2K Bytes |
|---|---|
| Endurance | 10,000 Write/Erase Cycles |
| Operating Range | 2.7V to 6V |
| Fully Static Operation | 0Hz to 24MHz |
| Internal RAM | 128 x 8-bit |
| Programmable I/O Lines | 15 |
What is the memory size of the AT89C2051?
The AT89C2051 has 2K bytes of Flash memory and 128 bytes of internal RAM.
Is the AT89C2051 compatible with Arduino?
No, it uses the MCS-51 instruction set and requires external toolchains like SDCC or Keil for programming.
What are the power-saving modes available?
It supports Idle mode (CPU off, peripherals active) and Power-down mode (RAM saved, oscillator off).
Can I use this IC in robotics projects?
Yes, it's ideal for robotics, home automation, and embedded control systems due to its compact size and low power consumption.
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About ATMEL 89C2051 IC by Atmel
Shop Atmel AT89C2051 IC with 2K Flash, 128B RAM. Compatible with MCS-51. Ideal for robotics & automation. Buy at best price in India.
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