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Microchip 8-bit Microcontroller 60MHz, 64kB FLASH, 44-Pin PLCC, Surface Mount AT89C51RD2
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 4.06mm |
| Length | 16.66mm |
| Model | AT89C51RD2 |
| Width | 16.66mm |
| Mount Type | Surface |
| Series | AT89C51RD2 |
| Maximum Operating Temperature | 85°C |
| Package Type | PLCC |
| Minimum Operating Temperature | -40°C |
| Ram size | 256bit |
| Interface Type | UART, SPI |
| Standards/Approvals | RoHS |
| Pin Count | 44 |
| Maximum Supply Voltage | 5.5V |
| Maximum Power Dissipation Pd | 1W |
| Minimum Supply Voltage | 2.7V |
| Device Core | 8 Bit CPU |
| Program Memory Size | 64kB |
| Maximum Clock Frequency | 60MHz |
| Number of Programmable I/Os | 48 |
| Maximum Expanded Memory Size | 1.79kB |
| Number of Timers | 1 |
| Instruction Set Architecture | 8051 |
| ADCs | 0 bit |
| Program Memory Type | FLASH |
Key Features
- Features an 8-bit CPU core for efficient control operations.
- Supports up to 64KB of FLASH program memory for flexible firmware storage.
- Offers versatile UART and SPI interface options for communication.
- Comes in a 44-pin PLCC surface mount package for reliable PCB integration.
- Operates across a supply voltage range of 2.7V to 5.5V for broad compatibility.
- Includes 256 bytes of RAM and up to 48 programmable I/Os.
- Maximum operating temperature of 85°C for harsh environments.
Product Description
The Microchip AT89C51RD2-SLSUM is a high-performance 8-bit microcontroller designed for advanced embedded and industrial control applications. Equipped with a 60MHz maximum clock frequency, this controller enables fast and responsive processing, suitable for demanding control systems and real-time operations.
This microcontroller features an 8-bit CPU core, offering efficient computation for logic, communication, and control workloads. The AT89C51RD2-SLSUM provides 64KB of non-volatile FLASH program memory, allowing for extensive firmware and feature-rich application development. Its embedded 256 bytes of RAM support variable storage and stack usage, critical for complex computation and multitasking in embedded environments.
The unit supports a range of communication protocols, including UART and SPI, providing connectivity and data exchange capabilities required in modern technical systems. The 44-pin PLCC surface-mount package ensures reliable PCB integration, while the availability of 48 programmable input/output pins allows control and monitoring of multiple external devices within a compact footprint.
Designed to operate within a supply voltage range of 2.7V to 5.5V, the AT89C51RD2-SLSUM offers flexibility for various power setups. Its expanded feature set includes a programmable counter array, external memory support, a hardware watchdog timer for safety, and compatibility with an XRAM of 1.024KB for memory-intensive tasks. The controller is capable of withstanding industrial temperature ranges from -40°C to 85°C, making it suitable for harsh environments and demanding use cases.
Engineers benefit from its support for the 8051 instruction set architecture, enabling straightforward migration from legacy systems and wide ecosystem compatibility. The device's energy-efficient operation and robust design make it a reliable choice for process automation, motor control, instrumentation, communication modules, and industrial electronics solutions.
Common industrial, laboratory, and commercial applications for the AT89C51RD2-SLSUM microcontroller include programmable logic controllers, data acquisition devices, smart instruments, factory process automation, and embedded communications interfaces. Its long-term reliability, rich memory resources, and robust interfacing options ensure broad utility in electronic product development.
To explore more Microchip microcontrollers and related solutions for your embedded projects, browse the complete Microcontroller range in the EnvMart category.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 60MHz, allowing for fast and responsive processing.
It features 64kB of FLASH program memory, providing ample space for firmware storage.
This microcontroller supports UART and SPI communication interfaces, enabling versatile connectivity options.
It operates within a supply voltage range of 2.7V to 5.5V, allowing for broad compatibility with various power setups.
The AT89C51RD2 includes 48 programmable input/output pins for controlling and monitoring external devices.
This model can operate in temperatures ranging from -40°C to 85°C, making it suitable for harsh environments.
The dimensions of this microcontroller are 16.66mm in length, 16.66mm in width, and 4.06mm in height.
It includes 256 bytes of RAM, which supports variable storage and stack usage for embedded applications.
This microcontroller is packaged in a 44-pin PLCC surface mount configuration for reliable PCB integration.
It utilizes the 8051 instruction set architecture, facilitating straightforward migration from legacy systems.
Yes, it complies with RoHS standards, ensuring it meets environmental regulations.
The maximum power dissipation for the AT89C51RD2 is 1W, which is important for thermal management in applications.
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