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C8051F330-GM

SiLC8051F330-GM

Silicon Labs
8051 C8051F33x Microcontroller IC 8-Bit 25MHz 8KB (8K x 8) FLASH 20-MLP (4x4)
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Overview

The C8051F330-GM is a highly integrated 8-bit microcontroller featuring a pipelined CIP-51 core capable of 25 MIPS performance. It consolidates a 10-bit ADC, a 10-bit DAC, and precise internal oscillators into a compact 4x4 mm QFN package to minimize external component count. This MCU is designed for space-constrained applications requiring analog integration and 5V-tolerant I/O within a 2.7V to 3.6V operating range.

Why Choose This Part

The primary advantage is the high level of analog integration, including a 16-channel 10-bit ADC and a 10-bit DAC, which eliminates the need for external converters. Its pipelined 8051 architecture provides significant throughput at 25MHz while maintaining 5V tolerance on digital inputs, simplifying interfacing in mixed-voltage systems.

Applications

Optical Module Control
Managing laser bias currents and monitoring thermal levels using the integrated temperature sensor and 10-bit DAC.
Handheld Instrumentation
Utilizing the low power modes (31uA at 80kHz) and 10-bit ADC for battery-powered sensor data acquisition.
Brushless DC Motor Control
Using the Programmable Counter Array (PCA) for PWM generation and the high-speed comparator for over-current protection.
System Health Monitoring
Acting as a co-processor to monitor system voltages via the VDD monitor and report status via UART or SMBus.

Key Specifications

Speed 25MHz
RAM Size 768 x 8
Core Size 8-Bit
Peripherals POR, PWM, Temp Sensor, WDT
Connectivity SMBus (2-Wire/I2C), SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 17
Core Processor 8051
Package / Case 20-VFQFN Exposed Pad
Data Converters A/D 16x10b; D/A 1x10b
Oscillator Type Internal
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 20-MLP (4x4)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V

Getting Started

Development is supported by the Silicon Labs USB Debug Adapter and the Simplicity Studio IDE. For hardware evaluation, the C8051F330DK development kit provides a complete prototyping environment including a target board and necessary cables. The device supports in-system programming via a 2-wire C2 interface, which shares pins with the MCU to maintain a high I/O count.

Also Consider

EFM8BB10F8G-A-QFN20 SiLSilicon Labs - A more modern 8-bit alternative from the Busy Bee family offering similar peripherals and improved power efficiency.
ATTINY88-MU MCHPMicrochip Technology - An 8-bit alternative with 8KB Flash in a similar QFN-20 package for applications requiring the AVR instruction set.

Categories

Microcontrollers > 8051