C8051F310 - 25 MIPS 16KB Flash 10-Bit ADC MCU | Silicon Labs
料号： C8051F310 ✓ 量产中C8051F310 概述
An 8-bit microcontroller is a semiconductor device in the embedded-control hierarchy that integrates a CPU core, memory, timers, serial communication peripherals, and analog or mixed-signal functions into one device. The C8051F31x family is positioned as a small 8051 MCU family for compact embedded systems, with Flash program memory, RAM, ADC capability, and multiple timers. The C8051F310 is therefore suitable where designers need deterministic 8-bit processing without the complexity of a larger application processor.
Key verified characteristics include a maximum 25 MHz operating speed, 25 MIPS performance, 16 kB Flash, 1.25 kB RAM, and a 10-bit ADC rated for up to 200 ksps. The family also includes an on-chip power-on reset, VDD monitor, watchdog timer, and clock oscillator according to the product-search information. Four 16-bit timers and additional communication interfaces are identified in the supplied technical description, enabling periodic control, timing, and serial data exchange.
The C8051F310 is a mixed-signal MCU, meaning that digital processing and analog measurement functions are integrated on the same device. The ADC can use an external reference or VDD, and the search data also identifies an external conversion-start input and a built-in temperature-sensor option in the C8051F31x family description. These functions support sensor reading, temperature monitoring, industrial control, and embedded measurement systems without requiring a separate ADC in every design.
Typical applications include industrial monitoring, building and environmental controls, compact consumer appliances, data acquisition modules, and small motor-control systems. The device is also suitable for educational and prototype platforms, where the 32-pin LQFP package provides accessible peripheral connections and the on-chip development features simplify standalone designs.
Designers should verify the exact pin assignments, power requirements, ADC input limits, and oscillator configuration against the manufacturer C8051F31x data sheet before layout. Decoupling capacitors should be placed close to the supply pins, analog and digital returns should be managed carefully, and unused inputs should be configured according to the device guidelines.
This product page consolidates the verified manufacturer-family specifications, distributor identification, package information, application guidance, and replacement limitations. It also separates documented parameters from missing data so that engineers can distinguish confirmed C8051F310 characteristics from values that require direct datasheet verification.
直接替换替代料： C8051F310 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： C8051F310 （相同外形与封装尺寸） ——差异在于 Package, ADC Resolution, Flash Memory, RAM, Timers.
C8051F311
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →C8051F312
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →C8051F313
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →C8051F316
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
C8051F310-GQR
✅ 直接替换📋 参考替代料（不在目录中）
C8051F310 最大额定值与电气特性
| Core Architecture | 8-bit 8051-compatible MCU |
| Maximum Operating Speed | 25 MHz |
| Instruction Throughput | 25 MIPS |
| Flash Memory | 16 kB |
| RAM | 1.25 kB |
| ADC Resolution | 10-bit |
| ADC Maximum Throughput | 200 ksps |
| ADC Input Configuration | 17 external single-ended or differential inputs |
| ADC Reference | External VREF pin or VDD |
| Conversion Start | External conversion-start input |
| Timers | 4 x 16-bit timers |
| Power-On Reset | On-chip |
| VDD Monitor | On-chip |
| Watchdog Timer | On-chip |
| Clock Oscillator | On-chip clock oscillator |
| 封装 | 32-pin LQFP, 7 x 7 mm |
| 安装类型 | Surface Mount |
C8051F310 32-pin lqfp, 7 x 7 mm 引脚配置指南
C8051F310（32-pin lqfp, 7 x 7 mm 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： C8051F310.
请参阅 数据手册 以查看完整引脚配置。
典型应用
C8051F310 适用于 6 应用s: Industrial Sensor Monitoring, Environmental Monitoring, Building Control, Compact Data Acquisition, Consumer Appliance Control, Educational Control Platform.
Industrial Sensor Monitoring
The C8051F310 fits compact industrial sensor-monitoring nodes because its 10-bit ADC reaches 200 ksps and supports 17 external single-ended or differential inputs. The 8051 core executes at 25 MIPS while four 16-bit timers support periodic sampling and control tasks. An external conversion-start input can synchronize acquisition with a wider system, while the on-chip watchdog improves recovery after faults. Designers should confirm the ADC input range, sample-and-hold behavior, and reference requirements directly from the manufacturer data sheet before selecting sensor excitation and protection networks.
推荐
Environmental Monitoring
The C8051F310 can form the core of an environmental monitoring module combining temperature, humidity, light, or gas sensing with local control. Its 16 kB Flash stores application firmware, while 1.25 kB of RAM supports sampled values, configuration, and communications. The 10-bit ADC and external VREF option permit analog sensor conditioning, and the family information identifies a built-in temperature-sensor option. Battery-operated designs should evaluate the MCU supply current and analog leakage because those values were not included in the supplied verified data.
推荐
Building Control
A C8051F310-based controller suits building-control functions such as occupancy inputs, temperature monitoring, actuator commands, and scheduled I/O updates. Four 16-bit timers provide timing resources for periodic sampling and control outputs, while the 8051-compatible core provides a familiar programming model for compact embedded products. The integrated ADC reduces the need for a separate converter when conditioned analog signals are present. Mains-connected or safety-related installations require additional isolation, surge protection, regulatory, and temperature validation beyond the supplied device data.
推荐
Compact Data Acquisition
The C8051F310 is appropriate for small data-acquisition systems requiring mixed analog and digital inputs. Its ADC supports up to 200 ksps, external single-ended or differential channels, external reference selection, and external conversion triggering. The 25 MIPS processing rate can support filtering or protocol handling between samples, subject to the device's detailed timing specifications. For multi-channel precision instrumentation, verify whether the application requires the related family's 12-bit SAR ADC configuration rather than the C8051F310's verified 10-bit ADC.
推荐
Consumer Appliance Control
The C8051F310 can control compact appliances where an 8-bit MCU, local analog measurement, timers, and serial communication are sufficient. Its 16 kB Flash accommodates embedded control firmware, and four 16-bit timers support motor timing, keypad scanning, or periodic housekeeping. The ADC can monitor potentiometers, temperature sensors, or analog feedback from a power stage. Consumer-product developers should verify electrical limits, EMC performance, and operating-temperature requirements, which are not present in the supplied search excerpts.
推荐
Educational Control Platform
The C8051F310 works well in educational mixed-signal control projects because it integrates an approachable 8051 core, Flash memory, RAM, timers, and a 10-bit ADC in a 32-pin LQFP. Students can implement timers, serial communication, sensor acquisition, and control loops without requiring a separate analog converter. The on-chip power-on reset, VDD monitor, watchdog timer, and clock oscillator support standalone laboratory boards. Instruction and expansion-board information is also available through the manufacturer C8051F31x development-kit guide listed in the verified results.
推荐
推荐产品汇总
工程参考数据： C8051F310 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | C8051F311 | C8051F312 | C8051F313 | C8051F316 | C8051F310-GQR |
|---|---|---|---|---|---|---|
| Brand | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) |
| Core | 8-bit 8051 | 8-bit 8051 | 8-bit 8051 | 8-bit 8051 | 8-bit 8051 | 8-bit 8051 |
关键差异点
- Integrated mixed-signal measurement （对比 C8051F310-GQR)
- Deterministic mixed-signal processing （对比 C8051F311)
- Compact 32-pin implementation （对比 C8051F312)
- Multiple timing resources （对比 C8051F313)
设计说明
Place the required supply bypass capacitors directly beside the C8051F310 power pins and route them with short ground returns. The exact capacitor values, voltage rating, and allowable ESR must come from the manufacturer data sheet because those details were not included in the supplied search excerpts. Keep analog-reference and analog-input routing away from switching nodes and high-current return paths to reduce supply and substrate coupling.
Use the manufacturer package drawing for the 32-LQFP 7 x 7 mm footprint rather than relying on a generic library. Confirm pin 1 orientation, lead pitch, pad dimensions, and paste or solder limits from the official drawing. Arrange decoupling capacitors on the supply side of the board and provide a continuous ground reference beneath the device where the package and board design permit.
Do not assume that every C8051F31x member is automatically interchangeable with the C8051F310. The verified family information notes 24-, 28-, and 32-pin options and multiple device variants, while the supplied excerpts do not provide a complete pin and memory matrix. Before replacing the MCU, verify package pins, Flash size, RAM, ADC channels, timer resources, oscillator pins, and boot or programming behavior against the exact alternate data sheet.
Treat analog inputs as sensitive nodes: use short traces, place input conditioning close to the MCU, and keep switching regulators, relays, crystal or oscillator circuitry, and digital clock lines away from the ADC input region. When using differential inputs, confirm polarity, common-mode limits, and the source impedance allowed by the C8051F31x electrical characteristics before finalizing the sensor front end.
合规信息
The supplied verified search results do not include explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements for C8051F310. No compliance status has been inferred from general distributor listings.