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D87C51
4KB 4.5V~5.5V 51 Series Microcontroller
D87C51
4KB 4.5V~5.5V 51 Series Microcontroller
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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D87C51 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The D87C51 is a microcontroller from the Intel MCS-51 family, specifically designed for embedded systems and industrial applications. It features a 4K Bytes of flash memory for program storage, 128 Bytes of RAM for data storage, and 32 input/output (I/O) pins for interfacing with external devices. The D87C51 operates at a maximum frequency of 12 MHz and can execute up to 1 million instructions per second (MIPS).The microcontroller supports a wide range of communication protocols including UART, SPI, and I2C, making it ideal for applications requiring serial communication with other devices. It also includes built-in timers/counters for controlling timing-sensitive operations, as well as analog-to-digital converters (ADCs) for converting analog signals into digital data.The D87C51 is compatible with a variety of development tools and software, allowing for easy programming and debugging of applications. It is also highly reliable and robust, with built-in hardware and software security features to prevent unauthorized access and tampering of data.
Key Features
- 8-bit microprocessor
- 1 KB on-chip memory
- 64 bytes of RAM
- 24 I/O lines
- Two 16-bit counters
- Serial interface for programming and debugging
Application
- Industrial control systems
- Automotive electronics
- Medical devices
- Telecommunications equipment
- Home appliances
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | No | Rohs Code | No |
| Part Life Cycle Code | Obsolete | Part Package Code | DIP |
| Pin Count ! | 40 | Reach Compliance Code | |
| HTS Code ! | 8542.31.00.01 | Has ADC | NO |
| Address Bus Width ! | 16 | Bit Size | 8 |
| Clock Frequency-Max | 12 MHz | DAC Channels | NO |
| DMA Channels | NO | External Data Bus Width | 8 |
| JESD-30 Code | R-GDIP-T40 | JESD-609 Code | e0 |
| Length | 52.2605 mm | Number of I/O Lines | 32 |
| Number of Terminals | 40 | Operating Temperature-Max | 70 °C |
| Operating Temperature-Min | PWM Channels | NO | |
| Package Body Material | CERAMIC, GLASS-SEALED | Package Code | DIP |
| Package Shape | RECTANGULAR | Package Style | IN-LINE |
| ROM Programmability | UVPROM | Seated Height-Max | 5.588 mm |
| Speed | 12 MHz | Supply Voltage-Max | 5.5 V |
| Supply Voltage-Min | 4.5 V | Supply Voltage-Nom | 5 V |
| Surface Mount ! | NO | Technology | CMOS |
| Temperature Grade ! | COMMERCIAL | Terminal Finish | TIN LEAD |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
| Terminal Position | DUAL | Width | 15.24 mm |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is D87C51?
The D87C51 is a high-performance microcontroller unit (MCU) based on the 80C51 architecture, which is a widely used and versatile microcontroller family. It is commonly employed in embedded systems, industrial control, automotive applications, and various electronic devices.
How Does D87C51 Work?
The D87C51 operates as a highly integrated microcontroller with a central processing unit (CPU), memory, and a rich set of peripherals. It executes program instructions, interacts with external devices, and processes data according to its programmed application. The MCU's architecture facilitates efficient control and processing in diverse embedded systems.
How Many Pins does D87C51 have and What are the Functions of the Pinout Configuration?
The D87C51 is available in various package types, such as Dual In-line Package (DIP) or Quad Flat Package (QFP). The pinout configuration typically includes:
- VCC: Power supply pin.
- GND: Ground pin.
- Port Pins (P0 - P3): General-purpose I/O pins for interfacing with external components.
- Serial Ports (RXD, TXD): Pins for serial communication.
- Interrupt Pins (INT0, INT1): Pins for external interrupt handling.
- Timer/Counter Pins (T0, T1): Pins for timer and counter functions.
- Control Pins (EA, PSEN, ALE, etc.): Pins for control and addressing operations.
What are the Pros and Cons of D87C51?
Pros:
- Wide Usage: The 80C51 microcontroller family has a well-established presence in various industries and applications.
- Peripheral Integration: The MCU features a rich set of integrated peripherals for versatile control and interfacing.
- Development Tools: Abundant development tools and resources are available for programming and debugging.
- Cost-Effective: Offers a cost-effective solution for a wide range of embedded control applications.
Cons:
- Limited Performance: Compared to newer microcontrollers, the 80C51 architecture may have limitations in terms of processing speed and peripheral capabilities.
- Power Consumption: May not be as power-efficient as newer microcontroller options.
- Obsolete: Availability and support for older MCU models like D87C51 may decline as newer technologies emerge.
Are There Any Equivalents/Alternatives to D87C51 for Recommendation?
Alternatives to the D87C51 include microcontrollers based on ARM Cortex-M, PIC, or AVR architectures, which offer enhanced performance and modern features for embedded control applications.
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