C8051F011 - 20MHz 32KB Mixed-Signal 8051 MCU | Silicon Labs
Артикул: C8051F011 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
C8051F011 Обзор
An 8-bit microcontroller is a compact embedded processor designed to execute firmware, monitor inputs, and control outputs in dedicated equipment. The C8051F011 sits in the broader hierarchy of MCU, embedded controller, mixed-signal MCU, and semiconductor categories. Its 32 KB flash program memory allows firmware to be retained in nonvolatile memory, while its 256-byte RAM supports working variables, stack operations, and short-lived data. The 10-bit ADC is useful for monitoring analog sensor signals and control-loop inputs.
Key device features include 20 MHz operation, 32 KB flash, 256 x 8 RAM, 16 I/O pins, a 10-bit ADC, programmable analog input configuration, differential and single-ended programmable amplifier functions, and a built-in temperature sensor with a stated accuracy of plus or minus 3 degrees C. The 48-TQFP package provides a higher pin count than smaller 8-bit MCUs and exposes more analog and digital connections.
The C8051F011 architecture is organized around the 8051 instruction set with Silicon Labs mixed-signal extensions. Programmable analog input and amplifier functions can reduce the need for external signal-conditioning components when the required front end is simple. The ADC and analog blocks should still be evaluated against the actual sensor output, impedance, sample rate, and accuracy requirements. The cited distributor information lists 20 MHz as the device speed and identifies the package as 48-TQFP.
Typical applications include industrial sensor interfaces, environmental monitoring, data acquisition modules, small control systems, temperature and process measurement, and embedded instrumentation. The 10-bit ADC supports moderate-resolution measurements, while the 16 I/O pins allow digital inputs and outputs alongside analog channels. Firmware development should account for the device’s 8051 memory organization, peripheral mapping, startup behavior, and the programming requirements of the Silicon Labs C8051 toolchain.
For PCB design, confirm the exact C8051F011-GQ ordering code, 48-pin TQFP footprint, exposed-pad requirements, oscillator connection, analog grounding, and decoupling requirements from the manufacturer datasheet. Do not treat generic 8051 MCU pinouts as interchangeable: different 8051 derivatives can use the same package family while assigning pins and peripheral functions differently. The verified search data establishes the package, speed, memory, ADC, and RAM, but does not provide complete pin-level data, absolute maximum ratings, detailed electrical limits, or a confirmed current price.
Аналоги без доработки для C8051F011 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с C8051F011 (тот же форм-фактор и посадочное место) — отличается по Mounting Type, Number of I/O Pins, Package, Processor Core.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
C8051F010
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
Уточнить цену
Открыть даташит →C8051F012
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
Уточнить цену
Открыть даташит →C8051F011-GQ
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
C8051F010-GQ
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
C8051F012-GQ
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
C8051F011 Максимальные параметры и электрические характеристики
| Product Type | 8-bit mixed-signal microcontroller |
| Processor Core | 8051-compatible core |
| Максимальная тактовая частота | 20 MHz |
| Program Memory | 32 KB flash, 32K x 8 |
| Program Memory Type | ISP flash |
| RAM Size | 256 x 8 bits |
| ADC Resolution | 10 bits |
| Number of I/O Pins | 16 |
| Корпус | 48-pin TQFP |
| Package Dimensions | 7 x 7 mm |
| Operating Supply | 3 V |
| Analog Input Configuration | Programmable single-ended or differential input |
| Programmable Amplifier Gain | Data dependent |
| External ADC Inputs | Up to 8 external inputs |
| Temperature Sensor | Built-in, plus or minus 3 degrees C stated accuracy |
| Interrupt Support | Windowed interrupt generator |
| Тип монтажа | Surface-mount TQFP |
| Orderable Device | C8051F011-GQ |
Руководство по цоколевке C8051F011 в корпусе 7 x 7 mm
Цоколевка для C8051F011 (корпус 7 x 7 mm). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для C8051F011.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
C8051F011 подходит для 6 применениеs: Industrial Sensor Acquisition, Temperature and Environmental Monitoring, Small Data Acquisition Modules, Process and Machine Control, Embedded Instrumentation, Battery-Powered Sensor Nodes.
Industrial Sensor Acquisition
The C8051F011 fits industrial sensor acquisition when the application needs local analog measurement and firmware-based control in one device. Its verified 10-bit ADC can digitize moderate-resolution sensor signals, while 20 MHz operation supports sampling and control-loop processing. The programmable single-ended or differential input features may simplify front-end selection for low- and moderate-complexity measurements. Engineers should still verify ADC input impedance, acquisition time, accuracy, and the exact pin assignments from the manufacturer datasheet.
Рекомендуется
Temperature and Environmental Monitoring
The C8051F011 can implement a compact environmental-monitoring node using its verified built-in temperature sensor and 10-bit ADC. The stated sensor accuracy is plus or minus 3 degrees C, making the MCU appropriate for coarse temperature monitoring rather than precision thermometry. Firmware can combine sensor readings with digital I/O for alarms, display control, logging, or communications. For improved accuracy, calibration offsets, averaging, filtering, and environmental compensation should be implemented in software.
Рекомендуется
Small Data Acquisition Modules
The C8051F011 is suitable for small embedded data-acquisition modules that need autonomous control, 32 KB of ISP flash, and a mixed-signal MCU rather than a separate processor and analog front end. Its 256 bytes of RAM supports compact buffering and working data, while the 10-bit ADC handles many slow-changing or moderately sampled signals. Firmware design must avoid exceeding the device’s verified memory and peripheral limits, and the ADC reference and analog layout should be checked from the manufacturer documentation.
Рекомендуется
Process and Machine Control
The C8051F011 can serve as a compact controller for low-to-medium complexity process equipment because it combines 20 MHz processing, programmable analog inputs, 16 I/O lines, and 32 KB of flash in one device. The mixed-signal architecture allows a controller to read analog process values and drive discrete outputs without a separate microcontroller solely for analog acquisition. Loop tuning, output isolation, actuator protection, and safety functions must be designed around the actual load and application risk.
Рекомендуется
Embedded Instrumentation
The C8051F011 can be used in compact instrumentation that measures analog inputs and applies local control, calibration, or status reporting. Its 10-bit ADC is suitable for measurement paths where moderate resolution and deterministic firmware behavior are more important than very high converter precision. The 48-pin TQFP exposes more connections than small-outline MCUs, which can simplify routing of analog inputs and digital controls. For laboratory-grade accuracy, an external precision ADC may be preferable.
Рекомендуется
Battery-Powered Sensor Nodes
The C8051F011 can support small sensor nodes when local analog measurement and low component count are priorities, although the verified data does not include a complete low-power specification for this device. The 20 MHz MCU provides processing headroom, and the 32 KB flash can hold moderate firmware images. Battery designs must verify standby current, active current, oscillator startup behavior, regulator efficiency, and analog power requirements in the manufacturer datasheet before making a battery-life claim.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для C8051F011 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | C8051F010 | C8051F012 | C8051F011-GQ | C8051F010-GQ | C8051F012-GQ |
|---|---|---|---|---|---|---|
| Package | 48-pin TQFP, 7 x 7 mm | 48-TQFP class; exact package dimensions not supplied | 48-TQFP class; exact package dimensions not supplied | 48-TQFP, 7 x 7 mm | 48-TQFP class; exact package dimensions not supplied | 48-TQFP class; exact package dimensions not supplied |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Processor Architecture | 8-bit 8051-compatible | 8-bit C8051F01x family | 8-bit C8051F01x family | 8-bit 8051-compatible | 8-bit C8051F01x family | 8-bit C8051F01x family |
| ADC | 10-bit ADC | 10-bit ADC family feature | 10-bit ADC family feature | 10-bit ADC | 10-bit ADC family feature | 10-bit ADC family feature |
| Temperature Sensor | Built-in, plus or minus 3 degrees C stated accuracy | Built-in temperature sensor family feature | Built-in temperature sensor family feature | Built-in, plus or minus 3 degrees C stated accuracy | Built-in temperature sensor family feature | Built-in temperature sensor family feature |
Ключевые отличия
- Integrated mixed-signal functionality (против Generic 8051 MCU with no verified analog block)
- 20 MHz processing class (против Lower-speed 8051 controller)
- 32 KB ISP flash memory (против 8051 MCU with smaller program memory)
- Mixed-signal integration for compact controls (против Discrete MCU plus external ADC arrangement)
Заметки по проектированию
Do not route PCB signal lines until the exact C8051F011-GQ pinout and 48-pin TQFP footprint have been checked against the manufacturer datasheet. The verified search results establish the package family and pin count, but not the complete pin map. Confirm power pins, ground pins, analog inputs, programming pins, reset, oscillator pins, and exposed-pad requirements before symbol and footprint release.
Keep analog input traces short and place their surrounding ground plane or guarding structure according to the manufacturer layout recommendations. The C8051F011 includes programmable analog inputs and a 10-bit ADC, so noisy switching or high-current traces can increase measurement variation. Validate the analog reference, input filtering, source impedance, sampling timing, and calibration strategy during prototype testing.
A 48-pin TQFP package alone does not establish replacement compatibility for an 8051 MCU. Before substituting C8051F010, C8051F012, or another device, compare pin assignments, memory map, interrupt sources, ADC channels, programming mode, supply limits, clock requirements, and peripheral functions. The verified cross-reference data did not identify a confirmed drop-in replacement for C8051F011.
The verified data identifies a 3 V device class but does not provide complete voltage tolerances, current limits, or power-consumption curves. Design the supply with adequate margin, local decoupling, and measured startup behavior rather than relying only on the nominal 3 V description. Confirm the exact operating-voltage range and absolute maximum ratings in the manufacturer datasheet before production release.
Treat C8051F011-GQ as the procurement identifier and verify its suffix meaning with Silicon Labs documentation. The search results show C8051F011-GQ in distributor listings, but they do not fully describe all suffix or temperature-grade differences. This is especially important for production purchasing, where an apparently similar ordering code can change package, temperature, or qualification attributes.
Информация о соответствии
The supplied verified search results identify the device and package but do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 status was not supplied and is recorded as not applicable because the target is presented as an 8-bit mixed-signal MCU rather than an automotive-qualified device.
