C8051F985-C-GMR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: High-performance, low-power consumption, integrated peripherals, small form factor
• Package: 48-pin QFN (Quad Flat No-Lead)
• Essence: A versatile microcontroller designed for a wide range of applications, offering advanced features and efficient performance.
• Packaging/Quantity: Available in tape and reel packaging, with quantities varying based on customer requirements.

Specifications

• Core: 8-bit 8051 microcontroller core
• Clock Speed: Up to 25 MHz
• Flash Memory: 64 KB
• RAM: 4 KB
• Operating Voltage: 2.7V to 3.6V
• I/O Pins: 32
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 8 channels
• Timers/Counters: Multiple timers/counters for precise timing and event management
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The C8051F985-C-GMR microcontroller has a total of 48 pins. The pin configuration is as follows:

1. P0.0
2. P0.1
3. P0.2
4. P0.3
5. P0.4
6. P0.5
7. P0.6
8. P0.7
9. P1.0
10. P1.1
11. P1.2
12. P1.3
13. P1.4
14. P1.5
15. P1.6
16. P1.7
17. P2.0
18. P2.1
19. P2.2
20. P2.3
21. P2.4
22. P2.5
23. P2.6
24. P2.7
25. P3.0
26. P3.1
27. P3.2
28. P3.3
29. P3.4
30. P3.5
31. P3.6
32. P3.7
33. RST
34. XTAL1
35. XTAL2
36. VDD
37. VSS
38. AVREF
39. ADC0
40. ADC1
41. ADC2
42. ADC3
43. ADC4
44. ADC5
45. ADC6
46. ADC7
47. AGND
48. DVDD

Functional Features

• High-performance 8051 core with enhanced instruction set and pipelining for efficient execution.
• Integrated peripherals such as UART, SPI, and I2C for seamless communication with external devices.
• 10-bit ADC for accurate analog signal conversion.
• Multiple timers/counters for precise timing and event management.
• Low-power consumption modes for energy-efficient operation.
• Flexible GPIO pins for versatile digital I/O operations.
• On-chip debugging support for easy development and troubleshooting.

Advantages and Disadvantages

Advantages: - Versatile microcontroller suitable for a wide range of applications. - Efficient performance with a high clock speed and integrated peripherals. - Small form factor and low-power consumption make it ideal for portable and battery-powered devices. - On-chip debugging support simplifies development and troubleshooting processes.

Disadvantages: - Limited flash memory and RAM compared to higher-end microcontrollers. - 8-bit architecture may not be suitable for complex computational tasks. - Availability of alternative models with more advanced features may limit its competitiveness in certain applications.

Working Principles

The C8051F985-C-GMR microcontroller operates based on the 8051 architecture. It executes instructions stored in its flash memory, utilizing the integrated peripherals and resources to perform various tasks. The clock speed determines the rate at which instructions are executed, while the on-chip peripherals enable communication, analog signal conversion, and precise timing. The microcontroller can be programmed using a variety of development tools and software environments.

Detailed Application Field Plans

The C8051F985-C-GMR microcontroller finds applications in various fields, including:

1. Embedded Systems: Used in industrial automation, robotics, and control systems.
2. Internet of Things (IoT) Devices: Enables connectivity and control in smart home devices, wearables, and environmental monitoring systems.
3. Consumer Electronics: Powers portable devices, audio/video equipment, and gaming consoles.
4. Automotive: Controls vehicle subsystems, such as infot