C8051F343-GMR

Program Memory Type:	FLASH
Base Part Number:	C8051F34
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 21x10b
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 3.6 V
RAM Size:	2.25K x 8
EEPROM Size:	--
Series:	C8051F34x
Program Memory Size:	32KB (32K x 8)
Number of I/O:	25
Peripherals:	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Connectivity:	SMBus (2-Wire/I²C), SPI, UART/USART, USB
Speed:	48MHz
Core Size:	8-Bit
Core Processor:	8051
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction: C8051F343-GMR

The C8051F343 microcontroller, also referred to as the C8051F343-GMR, is an 8-bit, 8051 microcontroller developed by Silicon Laboratories. It is part of the SiLabs C8051F series of high-performance, low-power MCUs based on the 8051 architecture. The C8051F343-GMR microcontroller is designed to achieve high levels of integration, peripheral functionality, and cost-effectiveness. The C8051F343-GMR is a fully-integrated, low-power, high-performance, 8051-based microcontroller that operates with an external crystal up to 40 MHz and has 32 kB of flash memory, 1 KB of RAM and 256 bytes of EEPROM.

Purpose of C8051F343-GMR

The C8051F343-GMR microcontroller has a wide range of uses in commercial and consumer applications. It is suitable for applications such as automotive diagnostics systems, automotive entertainment and navigation systems, consumer medical applications, consumer appliances, consumer, and industrial control systems and security systems. In addition, it can be used in other applications where low-power, cost-efficient, 8051-compliant microcontrollers are needed, such as robotics and factory automation. The C8051F343-GMR microcontroller is designed for ease of use and flexibility, including a wide range of peripherals built into the device and software tools that help simplify applications. The device also offers significant advantages for debugging, programming, and configuring, simplifying system integration.

Features of C8051F343-GMR

The C8051F343-GMR microcontroller is designed for high performance and low power consumption. It features a 32-bit, 80C51 CPU core with a maximum operating frequency of 40 MHz and no wait state. This 8051 microcontroller also has four UART ports, three 16-bit timers, and four 8-bit timers. Also built-in are two 18-bit capture/compare modules, a 12-bit analog-to-digital converter, an 8051 I2C-compliant peripheral interface (SPI), and a 10/100 Internet Protocol (IP) capable Ethernet MAC. Other features include up to 12-bit of programmable gain/offset, up to 512 Kb of program memory, and up to 32 Kb of data memory.

Working Principle of C8051F343-GMR

The C8051F343-GMR microcontroller’s operations are based on the 8051 instruction set. The CPU is organized with separate processor, RAM, and ROM buses, which reduce system access time and increase memory and processing efficiency. The microcontroller uses a Harvard architecture, which has separate instruction and data buses, with separate instruction and data address spaces. This allows for easier debugging and tracing of code, as the programmer can view both the code and the data associated with it at the same time. The C8051F343-GMR operates in three different modes- 8-bit, 16-bit, and 32-bit modes. The 8-bit mode is the default mode, and instructs the processor to interpret data in 8-bit chunks. In 16-bit mode, the processor interprets data in 16-bit chunks and in 32-bit mode it interprets data in 32-bit chunks. The processor also has a built-in data memory protection system that allows the user to set specific memory areas as read-only and write-protected, offering secure data storage and integrated code protection capabilities.

Conclusion

The C8051F343-GMR microcontroller is designed for high performance and low power consumption, with an integrated 8051 CPU, 32kB of Flash Memory and 1kB of RAM, and a wide range of peripheral capabilities and software tools for easy system integration and debugging. Its operations are based on the 8051 instruction set and Harvard architecture, allowing for easy debugging and tracing of code. Finally, the device offers secure data storage, integrated code protection capabilities thanks to its built-in data memory protection system, making the C8051F343-GMR an attractive option for a wide range of applications.

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