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C8051F121

Name: C8051F121
Rating: 4.7 (12 reviews)

IC MCU 8BIT 128KB FLASH 64TQFP

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製造商。部分 #C8051F121
包 TQFP-64
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規格

Package	Tray
Series	C8051F12x
ProductStatus	Obsolete
CoreProcessor	8051
CoreSize	8-Bit
Speed	100MHz
Connectivity	EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
NumberofI/O	32
ProgramMemorySize	128KB (128K x 8)
ProgramMemoryType	FLASH
RAMSize	8.25K x 8
Voltage-Supply(Vcc/Vdd)	3V ~ 3.6V
DataConverters	A/D 8x8b, 8x12b; D/A 2x12b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	64-TQFP

概述

Description

The C8051F121 is a member of the C8051 family of microcontrollers from Silicon Labs, known for its high performance and integrated features. It is based on an 8051 core, offering a 25 MHz maximum clock frequency, which significantly enhances processing speed compared to traditional 8051 devices. The microcontroller includes 8 kB of flash memory, 512 bytes of RAM, and a variety of I/O options.
Key features include multiple 16-bit timers, a high-speed analog-to-digital converter (ADC), and several serial communication interfaces such as UART and SPI. The C8051F121 also supports various modes of low-power operation, making it suitable for battery-powered applications.
With its integrated peripherals, programmable options, and robust performance, the C8051F121 is ideal for applications in automotive, industrial control, and consumer electronics. The development environment is supported by Silicon Labs’ IDE, providing tools for efficient programming and debugging.

Features

The C8051F121 is a high-performance microcontroller from Silicon Labs featuring a 51-compatible architecture. Key features include:
1. CPU: 8-bit core with a maximum operating frequency of 25 MHz.
2. Flash Memory: 64 KB of in-system programmable flash memory.
3. RAM: 1024 bytes of on-chip RAM.
4. I/O Ports: 32 general-purpose I/O pins.
5. Timers: 3 16-bit timers/counters for various timing applications.
6. ADC: Integrated 12-bit ADC with up to 8 channels for analog input.
7. UART: Dual full-duplex UART for serial communications.
8. SPI/I2C: Supports SPI and I2C interfaces for external device connectivity.
9. Power Management: Multiple power-saving modes for energy efficiency.
10. Interrupts: 24 programmable interrupts for responsive applications.
These features make the C8051F121 suitable for a wide range of embedded applications, including industrial control, consumer electronics, and automotive systems.

Package

The C8051F121 microcontroller is available in a 64-pin LQFP (Low-Profile Quad Flat Package) and a 64-pin QFN (Quad Flat No-lead) package type. These packages facilitate easy integration into various electronic designs while offering a compact footprint.

Pinout

The C8051F121 microcontroller features a 32-pin package. Its primary functions include:
1. CPU Core: 8-bit C8051 core with a maximum clock frequency of 100 MHz.
2. Memory: 64 bytes of RAM and 4 KB of in-system programmable Flash memory.
3. I/O Ports: 32 digital I/O (GPIO) pins, configurable for various functions.
4. Timers: Two 16-bit timers/counters for timing operations and event counting.
5. ADC: 12-bit analog-to-digital converter for analog signal processing.
6. DAC: 8-bit digital-to-analog converter for generating analog signals.
7. UART: Supports serial communication via its UART interface.
8. Interrupts: Multiple interrupt sources for responsive control.
This combination of features makes the C8051F121 suitable for a variety of embedded applications.

Manufacturer

The C8051F121 is manufactured by Silicon Labs, a technology company specializing in silicon, software, and solutions for various markets, including the Internet of Things (IoT), industrial automation, and automotive. Silicon Labs is known for its high-performance microcontrollers, wireless chips, and sensors, catering primarily to embedded systems and connectivity needs. Founded in 1996 and headquartered in Austin, Texas, the company focuses on innovation in low-power, high-efficiency technologies, making it a key player in the semiconductor industry.

Application

The C8051F121 is commonly used in embedded systems for applications such as industrial automation, automotive control systems, medical devices, sensor interfacing, and consumer electronics. Its features, including high-speed processing, analog-to-digital conversion, and communication interfaces, make it suitable for data acquisition, motor control, and real-time monitoring systems.

Equivalent

The C8051F121 is a member of the Silicon Labs C8051F family of microcontrollers. Equivalent products include the C8051F120, C8051F122, and C8051F123, which share similar architecture and features. Additionally, other microcontrollers from the same family, like the C8051F15x series, may offer compatible functionalities depending on specific application requirements. Always check datasheets for detailed specifications and compatibility.