Overview
The AT89C2051-24PU is a versatile 8-bit microcontroller produced by Microchip Technology, originally developed by Atmel. This CMOS microcontroller is packaged in a 20-pin DIP (Dual In-Line Package) and is known for its low voltage and high performance. It is compatible with the industry-standard MCS-51 instruction set, making it widely adaptable in various embedded control applications. The device combines a robust 8-bit CPU with 2K bytes of reprogrammable Flash memory, providing a highly flexible and cost-effective solution for a broad range of uses.
Key Specifications
| Specification | Details |
|---|---|
| Flash Memory | 2K bytes, reprogrammable, 10,000 write/erase cycles |
| RAM | 128 bytes |
| I/O Lines | 15 programmable I/O lines |
| Timer/Counters | Two 16-bit timer/counters |
| Interrupt Sources | Six interrupt sources |
| Serial Communication | Programmable serial UART channel, full-duplex |
| Analog Comparator | On-chip precision analog comparator |
| Oscillator and Clock | On-chip oscillator and clock circuits |
| Operating Voltage | 2.7V to 6V |
| Operating Frequency | 0 Hz to 24 MHz, fully static operation |
| Power Saving Modes | Idle and power-down modes |
| Package Type | 20-pin DIP (PDIP) or 20-pin SOIC |
Key Features
- Compatible with MCS-51 products and instruction set
- 2K bytes of reprogrammable Flash memory with 10,000 write/erase cycles
- 128 bytes of internal RAM
- 15 programmable I/O lines
- Two 16-bit timer/counters
- Six interrupt sources
- Programmable serial UART channel, full-duplex
- Direct LED drive outputs
- On-chip precision analog comparator
- On-chip oscillator and clock circuits
- Low-power idle and power-down modes
- Static logic for operation at low frequencies
- Green (Pb/Halide-free) packaging option
Applications
The AT89C2051-24PU is suitable for a wide range of embedded control applications, including but not limited to:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Home appliances
- Automation and robotics
Q & A
- What is the AT89C2051-24PU microcontroller?
The AT89C2051-24PU is an 8-bit microcontroller produced by Microchip Technology, featuring 2K bytes of Flash memory and compatible with the MCS-51 instruction set.
- What is the memory configuration of the AT89C2051-24PU?
The device has 2K bytes of reprogrammable Flash memory and 128 bytes of internal RAM.
- What are the power saving modes available in the AT89C2051-24PU?
The microcontroller features idle and power-down modes to reduce power consumption.
- What is the operating voltage range of the AT89C2051-24PU?
The operating voltage range is from 2.7V to 6V.
- Does the AT89C2051-24PU have an on-chip oscillator?
- How many I/O lines does the AT89C2051-24PU have?
The microcontroller has 15 programmable I/O lines.
- What type of packaging is available for the AT89C2051-24PU?
The device is available in 20-pin DIP (PDIP) and 20-pin SOIC packages.
- Is the AT89C2051-24PU environmentally friendly?
- What are the timer/counters available in the AT89C2051-24PU?
The device features two 16-bit timer/counters.
- Does the AT89C2051-24PU support serial communication?
