Le blog de l'entreprise Mingjiada Supply Silicon C8051F330 Mixed-Signal 8-Bit Microcontroller, Featuring A High-Performance 25MHz 8051 Core

Mingjiada Supply Silicon C8051F330 Mixed-Signal 8-Bit Microcontroller, Featuring A High-Performance 25MHz 8051 Core

Shenzhen Mingjiada Electronics Co., Ltd. — Long-term supplier of Silicon Labs (Silicon) C8051F330 mixed-signal 8-bit microcontrollers (MCUs). Based on a high-speed 8051 core with a maximum operating frequency of 25 MHz, this device is designed for embedded applications requiring compact form factors, low power consumption and mixed-signal processing. It is suitable for use in portable devices, industrial control, consumer electronics, sensor interfaces, motor control and smart meters, amongst other applications.

Product Overview:
The C8051F330 is a highly integrated mixed-signal 8-bit microcontroller (MCU) featuring a powerful 8051 core operating at 25 MHz. The MCU features 8 kB of flash memory, 0.75 kB of RAM, as well as additional communication interfaces and 4 × 16-bit timers — all housed in a 4 × 4 mm QFN20 package. On-chip analogue functions include a 10-bit, 16-inch, 200 ksps ADC, a 10-bit, 1-inch. DAC and one comparator. With on-chip power-on reset, a VDD monitor, a watchdog timer and a ±2 internal oscillator, the C8051F330 MCU is a true single-chip system-on-chip solution and is ideal for applications such as battery chargers, electronic toys and games, motor control and optical communications.

Analysis of the four key technical highlights of the C8051F330:
1. Enhanced CIP-51 core: New performance from a legacy architecture
The bottleneck of traditional 8051 architectures lies in the fact that most instructions require 12 clock cycles; however, the pipelined architecture adopted by the C8051F330 enables 70 per cent of instructions to be completed within 1–2 system clock cycles. Coupled with a 25 MHz clock, this achieves a throughput of 25 MIPS and delivers faster interrupt response times. For teams with existing 8051 code assets, this represents a performance leap with virtually zero migration costs.
2. Mixed-signal integration: ADC + DAC + comparator + temperature sensor
10-bit, 16-channel, 200 ksps ADC: supports internal VREF, an external pin or VDD as the reference source, with a built-in temperature sensor (typical accuracy of approximately 3 °C).
10-bit current-mode DAC (IDAC): This is a peripheral unique to the F330; the F331, F333, F334 and F335 in the same series do not feature a DAC, and whilst the F332 and F334 have an ADC, the DAC remains exclusive to the F330.
Low-power comparator: With a typical current of just 0.4 µA, it can be configured as a wake-up source.
3. Clock and Power Management: Supports ‘crystal-less’ UART design
An on-chip 24.5 MHz ±2% precision oscillator is integrated, enabling direct support for crystal-less UART operation; Additionally, it features low-power, low-frequency oscillators at 80/40/20/10 kHz, supports external crystal, RC and C clock sources, and allows dynamic switching of clock sources whilst in operation to enter power-saving mode. This delivers tangible BOM and power consumption benefits for battery-powered products.
4. 4×4 mm QFN20: Ultimate miniaturisation
Packed into a 20-pin package are 17 5 V-tolerant I/Os, three serial buses, four timers and a complete analogue front-end, all within a package measuring just 4×4 mm and 0.88 mm in height, making it ideal for handheld devices and space-constrained module designs.

Typical Applications
The C8051F330 is suitable for use in portable instruments and meters, industrial automation control boards, consumer electronics, sensor signal acquisition and interfacing, motor control, smart meters, data acquisition modules and embedded control systems. Its 25 MHz 8051 core and mixed-signal capabilities provide a flexible solution for low- to medium-complexity applications requiring real-time control and analogue signal processing.

Mingjiada Electronics Component Service Description
Mingjiada Electronics specialises in supply chain services for various imported ICs, analogue chips, MCUs, sensors, power management devices and RF components, supporting the procurement of genuine original products, samples, small-batch orders and high-volume supply. The company offers part number enquiries, stock confirmation, technical documentation support and complementary procurement services. Specific stock levels, prices, package types and lead times are subject to real-time quotations.

As embedded systems place ever-increasing demands on integration, power consumption and supply stability, mixed-signal 8-bit MCUs continue to find widespread application in portable devices, industrial control and consumer electronics. Mingjiada Electronics will continue to provide customers with supply support for the Silicon Labs C8051F330 mixed-signal 8-bit microcontroller and related models, helping to ensure the stable implementation of customer projects.

For further information regarding the [Silicon] C8051F330 mixed-signal 8-bit microcontroller or to enquire about sample prices, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) for further supply details.
Tags: C8051F330-GMR, C8051F330-GM, C8051F330-G, C8051F330