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C8051F206 - 25MHz 8KB Flash Mixed-Signal MCU | Silicon Labs

Артикул: C8051F206 ✗ Снят с производства
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2.7 V to 3.6 V Vdss 48-TQFP (7 mm x 7 mm) Package 25 MHz Speed 8 KB (8K x 8) Flash Memory
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Цена обновлена: 2026-10-22
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C8051F206 Обзор

The Silicon Labs C8051F206 is an 8-bit C8051 mixed-signal microcontroller operating at 25 MHz, with 8 KB of program Flash, 1.25 KB of RAM, a 12-bit ADC, 32 I/O pins, and a 48-pin TQFP package measuring 7 mm by 7 mm. It combines an 8051-compatible processing core with mixed-signal acquisition resources and multiple communication interfaces for compact embedded-control designs.

A microcontroller is a programmable integrated circuit that executes embedded software, reads inputs, controls outputs, and manages system timing. The C8051F206 belongs to the C8051F2xx family of 8-bit MCUs and occupies the MCU hierarchy above the processor core while integrating Flash memory, RAM, analog-to-digital conversion, timers, and serial communications on one package.

The supplied data identifies 25 MIPS performance, 8 kB Flash, 1.25 kB RAM, a 12-bit ADC, 32 I/O pins, three 16-bit timers, and a 2.7 V to 3.6 V supply range. Its 48-TQFP package provides more external connections than smaller 32-pin devices, supporting projects that need parallel digital I/O alongside analog measurement and serial communications. The package is surface-mount technology, but dimensions, pin assignments, and thermal details beyond the supplied 7 mm by 7 mm indication remain to be confirmed from the manufacturer documentation.

Technically, the part combines an 8051 core with mixed-signal peripherals. The 12-bit ADC suits sensor acquisition, while the three 16-bit timers support timing, pulse measurement, and periodic control tasks. The 8 KB Flash limits firmware complexity, so code size, boot code, library size, and update requirements should be checked early. The 25 MHz maximum clock supports faster control-loop and communication handling than lower-speed members of the same family, provided the firmware and peripherals remain within documented timing limits.

Typical uses include industrial sensor controllers, compact data-acquisition modules, embedded instrumentation, communications equipment, and general mixed-signal control boards. A design can place analog sensing and digital control in one device, reducing the need for a separate ADC or controller when the 32 available I/O pins and specified RAM are sufficient.

Design planning should begin with the manufacturer's datasheet rather than distributor summaries. Confirm the exact 48-pin assignments, exposed versus non-exposed thermal arrangements, oscillator requirements, reset behavior, ADC reference limits, and peripheral multiplexing. Because Flash and RAM are modest for many contemporary workloads, prototype firmware should be compiled early and measured for code and data-memory margins.

This page combines verified distributor specifications, source links, application guidance, and replacement-screening criteria. It also distinguishes confirmed values from missing parameters, avoiding unsupported electrical claims while highlighting where a PCB or firmware revision may be required before substitution.

Аналоги без доработки для C8051F206 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

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C8051F206 Максимальные параметры и электрические характеристики

Product Type 8-bit mixed-signal microcontroller
Series C8051F2xx
Максимальная тактовая частота 25 MHz
Maximum Performance 25 MIPS
Program Memory 8 KB (8K x 8) Flash
RAM 1.25 KB (1.25K x 8)
ADC Resolution 12 bit
General-Purpose I/O 32 pins
Timer Count 3 timers
Timer Resolution 16 bit per timer
Supply Voltage Range 2.7 V to 3.6 V
Корпус 48-TQFP (7 mm x 7 mm)
Тип монтажа Surface mount
Architecture 8051
In-System Programming Supported

Руководство по цоколевке C8051F206 в корпусе 48-tqfp (7 mm x 7 mm)

Цоколевка для C8051F206 (корпус 48-tqfp (7 mm 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.

Схема цоколевки корпуса 48-tqfp (7 mm x 7 mm) для C8051F206

Нет подробных данных о распиновке для C8051F206.

Обратитесь к даташиту для полной конфигурации выводов.

Типичное применение

C8051F206 подходит для 6 применениеs: Industrial Sensor Controller, Portable Data-Acquisition Module, Embedded Instrumentation, Communications Equipment, Compact Control Board, Educational Embedded-Control Platform.

🏭

Industrial Sensor Controller

The C8051F206 fits compact industrial sensing modules because it combines a 12-bit ADC with 32 I/O pins and three 16-bit timers on a 2.7 V to 3.6 V supply. The MCU can sample external sensors, implement threshold logic, and drive control outputs without a separate ADC when the integrated converter meets the accuracy requirement. The 25 MHz clock supports responsive control tasks, while 8 KB Flash and 1.25 KB RAM keep the design compact. Verify ADC timing and industrial temperature requirements in the manufacturer datasheet.

📱

Portable Data-Acquisition Module

The C8051F206 can form the control core of a small data-acquisition module with its 12-bit ADC, 25 MHz operating speed, and 32 I/O pins. A portable design operating from a 3.3 V rail falls within the verified 2.7 V to 3.6 V supply range. The MCU can sequence measurements, timestamp events with its timers, and communicate results through an available serial interface. The small memory footprint makes external buffering or nonvolatile storage advisable for long records.

📺

Embedded Instrumentation

The C8051F206 is suitable for compact instrumentation that combines analog measurement with digital control. Its 12-bit ADC provides a clear conversion-resolution specification, while 32 I/O pins can support displays, buttons, relays, or status indicators. Three 16-bit timers are useful for sampling intervals, pulse-width measurement, and periodic control. Because only 8 KB Flash and 1.25 KB RAM are confirmed, keep firmware modular and use external memory or storage when instrument data storage is substantial.

🌐

Communications Equipment

The C8051F206 can support compact communications equipment where an 8-bit controller, timers, and mixed-signal inputs are needed in one device. Its 25 MHz clock provides processing headroom for protocol handling and supervisory logic, while the 32 I/O pins can connect status signals, control lines, and indicators. The integrated 12-bit ADC can monitor supply, signal level, or sensor feedback. Exact UART, SPI, or other interface assignments must be confirmed from the complete manufacturer datasheet before layout.

🔧

Compact Control Board

The C8051F206 is appropriate for a compact control board that must combine digital I/O, analog monitoring, and timing functions. Its 48-TQFP package provides 48 physical positions, while the verified 32 I/O count reduces the need for a separate expander in suitable designs. The three 16-bit timers support periodic actuation and input timing, and the 3.3 V-compatible supply range simplifies integration with modern low-voltage logic. Confirm pin multiplexing and exposed-pad requirements before layout.

🧩

Educational Embedded-Control Platform

The C8051F206 provides a practical platform for learning embedded control because it combines an 8051 core, Flash program memory, RAM, timers, ADC, and digital I/O in one package. Students can develop acquisition, timing, communications, and control examples on a single board, while the 2.7 V to 3.6 V range simplifies 3.3 V laboratory rails. The limited 8 KB Flash and 1.25 KB RAM encourage disciplined firmware design. Toolchain and debugger availability should be checked before committing to a course platform.

What are the key specifications of C8051F206 that engineers should know?
The C8051F206 is a 25 MHz, 8-bit mixed-signal microcontroller with 8 KB Flash, 1.25 KB RAM, a 12-bit ADC, 32 I/O pins, three 16-bit timers, and a 48-TQFP package. According to the verified DigiKey and DigChip listings, the device also supports additional communication interfaces and in-system programming. Its 2.7 V to 3.6 V supply range suits 3.3 V embedded systems, while the relatively small memory footprint requires early firmware sizing. The 7 mm by 7 mm TQFP package offers more I/O than compact 32-pin alternatives but requires a correspondingly dense PCB layout.
Where can I download the C8051F206 datasheet PDF?
The C8051F206 datasheet PDF is available through the Silicon Laboratories document indexed by AllDataSheet at https://www.alldatasheet.com/datasheet-pdf/pdf/142865/SILABS/C8051F206.html. The verified search result identifies it as the C8051F206 documentation and describes the device as a 25 MIPS, 8 kB Flash, 12-bit ADC, 48-pin mixed-signal MCU. For design sign-off, compare distributor-hosted documents against the manufacturer version and verify the complete pinout, timing, electrical limits, and package drawing.
Where can I find the C8051F206 pinout?
The C8051F206 pinout must be taken from the manufacturer datasheet because the verified distributor snippets confirm a 48-TQFP package but do not provide the complete pin table. The package is a 7 mm by 7 mm TQFP, and its 48-pin mapping must be checked before PCB routing or replacement. Use the official pin-numbering diagram and verify multiplexed analog, digital, oscillator, reset, programming, and power functions before assigning PCB nets.
How much memory does the C8051F206 have?
The C8051F206 provides 8 KB of Flash program memory and 1.25 KB of RAM, according to the verified DigiKey and DigChip product descriptions. This makes it suitable for compact embedded-control firmware rather than storage-intensive applications. Code-size checks should include startup code, interrupt routines, communications stacks, calibration tables, and any bootloader. Because exact peripheral register definitions and library overhead were not supplied, final firmware capacity must be confirmed with the manufacturer headers and build tools.
What can replace the C8051F206?
No verified drop-in replacement for the C8051F206 was identified in the supplied cross-reference search results. A replacement must match the 48-TQFP footprint, pin assignments, 8051-compatible software assumptions, 2.7 V to 3.6 V supply range, 8 KB Flash, 1.25 KB RAM, 12-bit ADC, timer resources, and programming interface. Similar-function MCUs may require PCB changes, peripheral remapping, or firmware changes and therefore should not be called drop-in replacements without an engineering review.
Is C8051F206 suitable for a 3.3 V embedded control system?
Yes, the C8051F206 is suitable for a 3.3 V system when its verified 2.7 V to 3.6 V supply range is used. The 25 MHz operating speed supports real-time control tasks, while the 12-bit ADC handles analog sensor inputs and the 32 I/O pins support external devices. Confirm every peripheral's voltage tolerance and signal levels in the manufacturer datasheet, especially for programming, oscillator, and communications interfaces.
C8051F206 versus C8051F206-GQ: which part should I choose?
The verified search results associate C8051F206-GQ with the same 8 kB Flash, 1280-byte RAM, 12-bit ADC, and TQFP48 device family, but they do not provide enough verified detail to prove pin-to-pin interchangeability or temperature-grade differences. Treat the suffix as a device-specific ordering code until the manufacturer ordering guide and datasheet are checked. Do not substitute it without confirming package dimensions, pinout, temperature range, qualification status, and programming compatibility.
C8051F206 versus C8051F131-GQR: which MCU is better for an ADC design?
The C8051F206 is the better-supported choice when the design specifically requires the verified 25 MHz speed, 8 KB Flash, 1.25 KB RAM, 12-bit ADC, 32 I/O pins, and three 16-bit timers. The supplied data does not establish C8051F131-GQR as a drop-in replacement, and a third-party comparison page is not manufacturer evidence. If C8051F131-GQR offers advantages such as more memory or a different ADC architecture, those benefits must be weighed against package, pin, firmware, and PCB compatibility.
What is the C8051F206 price as of 2026-10-23?
The verified distributor search results show distributor pages for pricing and availability, but they do not expose a reliable numeric unit price in the supplied data. Consequently, the tier values are represented as 0.00 only as placeholders and should not be interpreted as quotations. Request a current quote from DigiKey, Mouser, or an authorized distributor and confirm stock, lead time, package suffix, and quantity breaks before purchase.
Where can I buy C8051F206 online?
C8051F206 listings are available from DigiKey, Mouser, and other distributors through the verified product URLs. The DigiKey result states that the part can be bought and shipped today, while the Mouser result provides an inventory and pricing page. Because stock changes rapidly, verify the exact MPN, package suffix, authorized-channel status, and current lead time before placing an order.
What is the lead time for C8051F206?
The supplied web data does not provide a reliable numeric lead time. DigiKey's result says the part is available for purchase and shipping, but that statement is not a guaranteed lead-time commitment. For production planning, obtain a written quotation from the distributor and request the current stock, factory lead time, and allocation status for the exact package suffix.
Is C8051F206 in stock?
The verified DigiKey snippet says C8051F206 is available to buy and ship today, but inventory is not a durable stock guarantee. The Mouser and Octopart links can be used to check additional channel availability. Confirm quantity, date, package suffix, and distributor authorization at checkout rather than treating a search snippet as a live inventory record.
Can C8051F206 be used for sensor acquisition and data logging?
Yes, C8051F206 can be evaluated for compact sensor-acquisition and data-logging designs because it combines a 12-bit ADC, 32 I/O pins, 8 KB Flash, 1.25 KB RAM, and three 16-bit timers. Its 25 MHz clock can support timely sampling and control, but the memory budget may limit buffered samples and application code. Use external nonvolatile storage if continuous logging is required, and validate ADC reference, sampling, and interface timing against the manufacturer datasheet.
Does C8051F206 require a separate ADC?
A separate ADC is not required for basic analog measurement when the internal 12-bit ADC meets the required accuracy, throughput, and signal-range requirements. The C8051F206 integrates that converter with an 8051 core, timers, Flash, RAM, and digital I/O. For precision, isolation, simultaneous sampling, or higher-rate conversion, an external ADC may still be appropriate; the supplied data does not specify ADC latency, input impedance, or accuracy.
What design constraints should I check before using C8051F206?
Check the 2.7 V to 3.6 V supply range, 8 KB Flash budget, 1.25 KB RAM budget, 32 I/O availability, 12-bit ADC requirements, three 16-bit timers, and the exact 48-TQFP pin assignments. Also verify oscillator, reset, programming, communication, and package details from the manufacturer datasheet. The supplied search snippets do not establish complete timing, electrical, thermal, or compliance specifications, so those values must not be inferred.

Справочные инженерные данные для C8051F206 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the C8051F206 when an embedded design needs a low-cost, 8-bit mixed-signal MCU with 25 MHz performance, 8 KB Flash, 1.25 KB RAM, a 12-bit ADC, 32 I/O pins, and three 16-bit timers in a 48-TQFP package. It is a strong fit for compact sensor-control, instrumentation, communications-support, and educational designs that operate from a 3.3 V rail. Do not choose it when firmware, RAM, ADC accuracy, temperature range, or high-speed acquisition requirements exceed the verified specifications. No drop-in alternative is recommended from the supplied evidence: C8051F206-GQ is a suffix variant that still requires verification, while C8051F131-GQR and C8051F005-GQ comparisons are not manufacturer cross-reference evidence. Before ordering, confirm the complete pinout, exact package variant, programming toolchain, lifecycle status, temperature range, and current distributor quotation.

Сравнение с аналогами

Параметр Этот товар
Package 48-TQFP (7 mm x 7 mm)
Brand Silicon Labs
Maximum Clock 25 MHz
Program Memory 8 KB Flash
RAM 1.25 KB
ADC 12-bit ADC
General-Purpose I/O 32 pins
Supply Voltage 2.7 V to 3.6 V

Ключевые отличия

  • Integrated mixed-signal control (против A discrete 8051 controller plus external ADC)
  • Timing resources for control applications (против A basic 8-bit MCU with fewer specified timer resources)
  • Compact 3.3 V-compatible integration (против A higher-voltage or more demanding mixed-signal controller)

Заметки по проектированию

Design the C8051F206 supply rail for the verified 2.7 V to 3.6 V device range, with the 3.3 V system rail positioned inside that range. Place local decoupling capacitors close to the supply and ground pins according to the manufacturer layout guidance. Confirm whether the 48-TQFP thermal or exposed pad is electrically connected and must be tied to ground; the supplied search snippets do not establish that package detail.

Use the manufacturer package drawing and pin table before routing because the verified data confirms a 48-TQFP package but not the complete pin mapping. Treat analog inputs, oscillator pins, reset, programming signals, and multiplexed digital I/O as placement-critical. Maintain short return paths for analog and digital ground connections, and check the land pattern against the exact ordering suffix rather than relying only on the generic TQFP48 name.

The 8 KB Flash and 1.25 KB RAM are the most important design constraints. Compile the complete firmware, interrupt code, startup routines, drivers, and calibration data early, then measure actual utilization. Do not assume that a distributor comparison page proves replacement compatibility: package, pinout, clock, peripherals, programming, and software model must all be verified.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

The supplied verified data does not provide compliance statements for RoHS, REACH, lead-free status, halogen-free status, conflict minerals, or automotive qualification. Do not infer these values from distributor listings.

Данные проверены: 2026-10-23 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Silicon Labs C8051F206 C8051F2xx 8051 architecture 8-bit microcontroller mixed-signal MCU 25 MHz 25 MIPS 8 KB Flash 1.25 KB RAM 12-bit ADC 32 I/O pins three 16-bit timers 48-TQFP TQFP package surface-mount package embedded control sensor acquisition data acquisition 3.3 V supply in-system programming microcontroller pinout C8051F206-GQ C8051F131-GQR
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