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C8051F120-GQR

SiLC8051F120-GQR

Silicon Labs
8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
1,035 in stock

Overview

The C8051F120-GQR is a high-performance 8-bit microcontroller featuring a pipelined CIP-51 core capable of 100 MIPS throughput. It integrates high-resolution 12-bit analog peripherals, including an ADC and dual DACs, alongside 128KB of Flash memory in a 100-pin TQFP package. This MCU is designed for precision analog intensive applications that require the deterministic timing of an 8051 architecture with modern processing speeds.

Why Choose This Part

It offers a significant performance boost over standard 8051 architectures with its 100MHz clock and DSP instructions. The 64 GPIO pins and extensive 12-bit analog integration reduce external component count in complex mixed-signal designs. Additionally, the 5V tolerant I/O simplifies interfacing with legacy industrial hardware while operating on a 3.3V rail.

Applications

Precision Instrumentation
Utilizing the 12-bit ADC and dual 12-bit DACs for high-accuracy sensor measurement and control loops.
Industrial Control Systems
Managing complex logic and multi-protocol communication via dual UARTs, SPI, and I2C in factory environments.
Optical Networking
Monitoring and controlling laser driver circuits where high-speed processing and 5V tolerant I/O are required.

Key Specifications

Speed 100MHz
RAM Size 8.25K x 8
Core Size 8-Bit
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Connectivity EBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 64
Core Processor 8051
Package / Case 100-TQFP
Data Converters A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type Internal
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 100-TQFP (14x14)
Voltage - Supply (Vcc/Vdd) 3V ~ 3.6V

Getting Started

Development is supported by the Silicon Labs Silicon IDE and the Keil C51 toolchain. For hardware evaluation, the C8051F120DK development kit provides a target board and a serial adapter for the JTAG debugging interface. Engineers should leverage the Config2 software tool to simplify the initialization of the crossbar and internal peripherals.

Also Consider

STM32F303VCT6 STMicroelectronics - A 32-bit Cortex-M4 alternative if higher computational throughput and more advanced DSP capabilities are required.