C8051F981-C-GM

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C8051F981-C-GM

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IC MCU 8BIT 8KB FLASH 20QFN

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規格

屬性 價值
Series C8051F9xx
Part Status Obsolete
Digi Key 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 C8051F98x series, known for low power consumption and high-performance capabilities. Built on the 8051 core, it features a high-speed 25 MHz CPU, enabling efficient processing for embedded applications. This microcontroller is particularly noted for its ultra-low power modes, making it suitable for battery-powered devices.
Key features include 4 kB of Flash memory, 256 bytes of RAM, and a variety of analog and digital peripherals, such as a 12-bit ADC, multiple timers, and UART, SPI, and I2C interfaces. It operates over a wide voltage range (0.9V to 3.6V), making it versatile for different power supply scenarios.
The C8051F981-C-GM is designed for a broad range of applications, including consumer electronics, industrial automation, and portable medical devices. Its compact size and robust feature set make it an attractive choice for developers looking to optimize energy efficiency without sacrificing performance. Additionally, development support is enhanced by Silicon Labs' tools and resources, simplifying the design and deployment process.

Equivalent

The C8051F981-C-GM is a low-power microcontroller from Silicon Labs. Equivalent products with similar features might include:
1. Microchip PIC16F series - Offers low power consumption and various peripheral options.
2. TI MSP430 series - Known for ultralow power consumption and integrated mixed-signal features.
3. Atmel ATtiny series - Provides low-power options with a compact form factor.
4. NXP LPC1100 series - Offers low power with ARM Cortex-M0 core for more processing power.
Ensure to match specific requirements like peripheral support and power consumption for exact equivalency.

Features

The C8051F981-C-GM is a microcontroller from Silicon Labs designed for low-power applications. Key features include:
1. Core and Performance: It is built around an 8051-compatible MCU core with a maximum clock speed of 25 MHz, offering efficient processing capabilities.
2. Memory: The device includes 14 KB of Flash memory and 512 bytes of RAM, suitable for various embedded applications.
3. Low Power Consumption: Features include multiple low-power modes, such as sleep and idle, making it ideal for battery-operated devices.
4. Analog Capabilities: It has a 10-bit ADC, two analog comparators, and a voltage reference, supporting applications that require analog signal processing.
5. Communication Interfaces: The microcontroller supports I2C, SPI, and UART interfaces for versatile connectivity options.
6. Timers and PWM: It includes multiple timers and programmable counter arrays for timing control and PWM generation.
7. GPI/O: It provides flexible and programmable input/output options with a variety of pin configurations.
8. Operating Voltage: The device operates over a wide voltage range of 0.9 V to 3.6 V.
These features make the C8051F981-C-GM suitable for a broad range of low-power and energy-efficient applications.

Pinout

The C8051F981-C-GM is a microcontroller from Silicon Labs, part of the C8051F98x series. It is designed for low-power applications and features a 25 MHz 8051-compatible CPU.
The C8051F981-C-GM is available in a compact QFN package with a pin count of 24. Key functions of the microcontroller include:
- CPU: 8-bit 8051 core with up to 25 MIPS performance.
- Memory: Flash memory for code storage and RAM for data processing.
- I/O Ports: Multiple flexible I/O ports allowing interfacing with peripherals.
- Timers: Programmable timers for timing control and event counting.
- ADC: Integrated 10-bit Analog-to-Digital Converter for sensor interfacing.
- Communication: UART, I2C, and SPI interfaces for serial communication.
- Low-Power Modes: Multiple energy-saving modes for battery-powered applications.
- Temperature Sensor: On-chip temperature sensor for thermal management.
These features make it suitable for a variety of applications, including battery-powered devices and sensor interfacing.

Manufacturer

The C8051F981-C-GM is manufactured by Silicon Labs. Silicon Labs is a technology company that specializes in the design and development of silicon, software, and solutions for the Internet of Things (IoT), internet infrastructure, industrial automation, consumer, and automotive markets. The company is known for its expertise in mixed-signal integrated circuits, providing solutions that combine analog and digital functions on a single chip. Silicon Labs' products include microcontrollers, sensors, wireless devices, and other components that enable connectivity and processing for various applications.

Application

The C8051F981-C-GM microcontroller is widely used in applications that require low power consumption and precise analog measurement capabilities. It is particularly suited for battery-powered devices, such as portable medical instruments, environmental sensors, and consumer electronics. Its low-power sleep modes and efficiency in data processing make it ideal for energy-efficient operation in wireless sensor networks and metering devices. Additionally, its integrated analog peripherals and high-performance CPU cater to industrial automation and control applications where precise data acquisition and processing are crucial.

Package

The C8051F981-C-GM is a microcontroller from Silicon Labs, packaged in a compact QFN-24 (Quad Flat No-leads) form factor. This package type allows for efficient use of space on PCBs, offering a leadless design that enhances thermal performance and electrical characteristics.

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