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C8051F981-C-GM

Name: C8051F981-C-GM
Rating: 4.7 (12 reviews)

IC MCU 8BIT 8KB FLASH 20QFN

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規格

Series	C8051F9xx
Part Status	Obsolete
DigiKey Programmable	Not Verified
Core Processor	CIP-51 8051
Core Size	8-Bit
Speed	25MHz
Connectivity	SMBus (2-Wire/I2C), SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	16
Program Memory Size	8KB (8K x 8)
Program Memory Type	FLASH
RAM Size	512 x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 3.6V
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	20-QFN (3x3)
Package / Case	20-UFQFN Exposed Pad
Base Product Number	C8051F981

概述

Description

The C8051F981-C-GM is a microcontroller from Silicon Labs, part of the C8051F family known for its high performance and ease of use. This 8-bit microcontroller features a 25 MHz maximum clock speed, and 64 KB of flash memory, making it suitable for a wide range of embedded applications. It includes multiple I/O ports, a rich set of peripherals like timers, an ADC (Analog-to-Digital Converter), and UART (Universal Asynchronous Receiver-Transmitter) for serial communication.
Key features include low power consumption, multiple operating modes, and integrated features such as a watchdog timer and a programmable comparator. The C8051F981-C-GM is ideal for applications in industrial control, consumer electronics, and automotive systems, where reliable performance and efficiency are crucial. The microcontroller is supported by development tools like the Silicon Labs IDE, simplifying the design and programming process for engineers.

Features

The C8051F981-C-GM is a member of Silicon Labs' C8051F98x family of microcontrollers, featuring a high-performance 8-bit architecture. Key features include:
1. Core: 100 MIPS at 25 MHz with a 12-bit ADC.
2. Memory: 64 KB Flash memory and 4 KB RAM.
3. I/O Ports: Up to 32 general-purpose I/O pins.
4. Timers: Multiple 16-bit timers for various timing applications.
5. Communication: Supports UART, SPI, and I2C interfaces for flexible communication.
6. ADC/DAC: High-speed 12-bit ADC and a 12-bit DAC for precise analog signal processing.
7. Power Management: Low power consumption modes for energy efficiency.
8. Interrupts: Multiple interrupt sources for efficient event handling.
9. On-chip oscillator: High-frequency internal oscillator for quick startup.
10. Debugging: Supports on-chip debugging features for development ease.
This microcontroller is ideal for embedded applications requiring robust processing capabilities and extensive peripheral support.

Package

The C8051F981-C-GM is packaged in a 32-pin LQFP (Low-Profile Quad Flat Package). This surface-mount package is designed for efficient heat dissipation and space-saving on printed circuit boards.

Pinout

The C8051F981-C-GM microcontroller features a 64-pin package. It is part of Silicon Labs' C8051F98x family, designed for high-performance embedded applications. The microcontroller integrates a 51-compatible core, 64 KB of flash memory, 4 KB of RAM, and various peripherals, including:
- 16-bit Timer/Counters
- UARTs (Universal Asynchronous Receiver/Transmitters)
- SPI (Serial Peripheral Interface)
- I²C (Inter-Integrated Circuit)
- Analog-to-Digital Converters (ADCs)
- Comparators
The pins are used for power, ground, oscillator connections, I/O ports, and peripheral functions. It supports advanced features like programmable GPIO and interrupts for effective control in various applications. Overall, it is suitable for embedded systems requiring efficient processing and communication capabilities.

Manufacturer

The C8051F981-C-GM is manufactured by Silicon Labs, a company that specializes in high-performance, mixed-signal microcontrollers, and wireless radio frequency (RF) solutions. Founded in 1996 and based in Austin, Texas, Silicon Labs focuses on providing innovative semiconductor solutions for a variety of applications, including the Internet of Things (IoT), automotive, industrial, and consumer electronics. The company is known for its expertise in low-power designs and integrated circuits, enabling efficient and reliable performance in electronic devices.

Application

The C8051F981-C-GM is a high-performance microcontroller used in applications such as industrial automation, motor control, data acquisition, and sensor interfacing. Its features, including high-speed ADC, PWM, and multiple communication interfaces (UART, SPI, I2C), make it suitable for embedded systems in automotive electronics, consumer appliances, and medical devices. Additionally, it supports real-time processing requirements and is ideal for applications requiring precision and efficiency.

Equivalent

The C8051F981-C-GM is a microcontroller from Silicon Labs, based on the 8051 architecture. Equivalent products include other members of the C8051 family, such as the C8051F960, C8051F970, and C8051F980, which offer similar features but may vary in memory size, peripherals, and performance specifications. For specific applications, consider the C8051F120 or C8051F340 series as alternatives with comparable capabilities. Always verify compatibility based on your project's requirements.