Manufacturer Part Number
AT89C51RB2-3CSUL
Manufacturer
microchip-technology
Introduction
The AT89C51RB2-3CSUL is an 8-bit microcontroller based on the industry-standard 80C51 core. It features 16KB of in-system programmable flash memory, 1.25KB of RAM, 32 I/O lines, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full-duplex serial port, on-chip oscillator, and clock circuitry. The device is manufactured using Microchip's high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set.
Product Features and Performance
80C51 core
16KB in-system programmable flash memory
25KB of RAM
32 I/O lines
Three 16-bit timer/counters
Six-vector two-level interrupt architecture
Full-duplex serial port
On-chip oscillator and clock circuitry
40MHz operating speed
SPI and UART/USART connectivity
Power-on reset, PWM, and watchdog timer peripherals
Product Advantages
High-performance 8-bit microcontroller
Flexible and versatile with extensive peripheral set
In-system programmable flash memory for easy code updates
Low power consumption with wide operating voltage range
Key Reasons to Choose This Product
Proven 80C51 core architecture with extensive ecosystem
Robust set of on-chip peripherals for diverse applications
High operating speed and low power requirements
Compatibility with industry-standard instruction set
Quality and Safety Features
Manufactured using Microchip's high-density nonvolatile memory technology
Operating temperature range of -40°C to 85°C
Meets industry safety and reliability standards
Compatibility
Compatible with the industry-standard 80C51 instruction set
Application Areas
Embedded systems
Industrial control
Automotive electronics
Consumer electronics
Product Lifecycle
The AT89C51RB2-3CSUL is an active product. There are equivalent or alternative models available, such as the AT89C51RD2, AT89C52, and AT89S52. For more information on equivalent or alternative models, please contact our sales team through our website.