C8051F067 - 25MHz 8-Bit MCU, 32KB Flash | Silicon Labs
部品番号: C8051F067 ✓ 生産中C8051F067 概要
An 8-bit microcontroller is a programmable semiconductor that executes embedded control logic from a small internal program memory. The C8051F067 combines the 8051 instruction-set family with an enhanced silicon-laboratories core architecture and integrated analog functions. This places it in the broader hierarchy of embedded processor, microcontroller, mixed-signal MCU, and semiconductor product categories. Its architecture is intended for compact embedded systems that require deterministic control, serial communications, and analog measurement without requiring a high-performance 32-bit processor.
The C8051F067 operates at up to 25 MHz, and an associated manufacturer-datasheet reference identifies the family as delivering up to 25 MIPS. Its 32 KB Flash program memory provides substantially more code storage than the smaller devices in the C8051F06x family. The mixed-signal feature set includes a 16-bit ADC according to the manufacturer-datasheet references, allowing the MCU to process measured analog signals in firmware and reducing the need for external analog-to-digital converters.
The C8051F067 is identified in a 64-pin TQFP package measuring 10 mm by 10 mm. Its higher pin count provides access to the mixed-signal and digital resources required by industrial controls, instrumentation, communications equipment, and embedded measurement systems. The package is a surface-mount technology format, and its exposed perimeter construction supports compact PCB layouts while retaining a pin count high enough for extensive peripheral access.
Typical applications include sensor-acquisition and condition-monitoring equipment, industrial control panels, communications modules, programmable instrumentation, and embedded data-acquisition systems. The 16-bit ADC is especially relevant when the design must digitize analog inputs while executing control and communication firmware on the same 8-bit core. The 25 MHz operating rate supports more responsive control loops than slower 8051-class devices, provided that the application timing is checked against the required instruction cycle.
When designing around the C8051F067, begin with the complete pin-description table in the Silicon Labs manufacturer datasheet before assigning analog inputs, supply pins, programming interfaces, and ground connections. Decoupling requirements, reference voltages, reset behavior, oscillator configuration, and exposed-pin functions must follow that document. Firmware development also requires the appropriate Silicon Labs programming and debug configuration for the selected package and device revision.
This product page combines the confirmed C8051F067 operating, memory, package, and analog specifications with focused design guidance, package-aware alternatives, and application-oriented engineering context. It is intended to help engineers identify the correct device, plan the PCB, and determine whether a C8051F06x family member can serve as a drop-in replacement without changing the 64-pin footprint.
ドロップイン代替品: C8051F067 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: C8051F067 （同一形状・フットプリント） — 相違点: Package, ADC Resolution, Flash Memory, DAC Resolution, Microcontroller Type.
C8051F064
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →C8051F065
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →C8051F066
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →C8051F068
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
C8051F069
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
C8051F067 最大定格＆電気的特性
| Product Type | 8-bit mixed-signal microcontroller |
| Device Family | C8051F06x |
| Processor Architecture | 8051-compatible core |
| 最大クロック周波数 | 25 MHz |
| Maximum Instruction Rate | 25 MIPS |
| Architecture Width | 8-bit |
| Flash Memory | 32 KB (32K x 8) |
| Analog-to-Digital Converter | 16-bit ADC |
| パッケージ | 64-pin TQFP (10 mm x 10 mm) |
| Ordering Suffix | -GQ |
| 実装タイプ | Surface mount |
| ADC Resolution | 16-bit |
C8051F067 64-pin tqfp (10 mm x 10 mm) ピン配置ガイド
C8051F067 (64-pin tqfp (10 mm x 10 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: C8051F067.
詳細は データシート をご参照ください。
主な用途
C8051F067 の用途: 6 件s: Industrial Sensor Acquisition, Programmable Test and Measurement, Communications Equipment, Embedded Control Panels, Condition Monitoring Systems, Programmable Power and Load Control.
Industrial Sensor Acquisition
The C8051F067 fits industrial sensor-acquisition equipment that needs local analog measurement, deterministic control, and serial data transfer. Its integrated 16-bit ADC can digitize sensor signals while the 8-bit core executes filtering and control firmware, and the 25 MHz clock supports responsive task scheduling. Using 32 KB of Flash permits application logic, calibration data, communication routines, and a bootloader to coexist in one device. Place the analog input circuitry close to the assigned pins, follow the manufacturer datasheet for reference and decoupling requirements, and validate the complete signal chain across temperature and the required industrial voltage range.
Programmable Test and Measurement
The C8051F067 is suitable for compact instrumentation that combines signal conditioning, measurement, display control, and communications. The 16-bit ADC provides a higher conversion resolution than an 8-bit sampling system, while the 25 MHz operating rate helps the firmware process samples and update the front panel without relying on a separate processor. Its 32 KB Flash capacity supports calibration tables, command handling, and measurement algorithms. Keep analog and digital layouts separated, use a stable reference source, and verify the ADC acquisition and conversion timing from the Silicon Labs manufacturer datasheet.
Communications Equipment
The C8051F067 can serve as the embedded controller in communications modules that require protocol handling, local control, and mixed-signal monitoring. The 8-bit architecture reduces system complexity when the workload consists mainly of framing, configuration, status reporting, and supervisory control. Its 32 KB Flash provides room for communication firmware and upgrade logic, while the 16-bit ADC can monitor supply, signal level, or sensor inputs. Choose the required serial peripheral and pin assignments from the manufacturer datasheet, isolate communication interfaces from switching noise, and test firmware timing at the maximum intended clock frequency.
Embedded Control Panels
The C8051F067 is appropriate for embedded control panels that combine button or switch inputs, indicator control, data display, and analog setpoint monitoring. Its 64-pin TQFP package exposes the mixed-signal and digital resources needed for a panel-oriented design, while 32 KB of Flash provides space for menu logic, operating states, diagnostics, and configuration storage. The 25 MHz clock allows responsive human-interface handling without introducing a separate real-time processor. Confirm the available I/O count and alternate-pin functions in the package-specific pin table, and provide adequate bypass capacitance near the supply pins.
Condition Monitoring Systems
The C8051F067 can form the core of a compact condition-monitoring node that samples vibration, temperature, pressure, or analog status signals and communicates the results. The 16-bit ADC supports measurement resolution, and the 32 KB Flash capacity can hold filtering, threshold, event-recording, and communications firmware. Running these functions on one MCU simplifies the hardware, but firmware scheduling must account for simultaneous sampling, serial transfers, and data processing. Validate input bandwidth, acquisition timing, and memory use against the manufacturer's electrical characteristics before finalizing the sensor interface.
Programmable Power and Load Control
The C8051F067 can supervise programmable power systems where analog feedback, sequencing, and communication must be handled locally. The integrated 16-bit ADC can monitor control voltages or temperature, while the 25 MHz 8-bit core executes regulation, fault handling, and communication tasks. The 32 KB Flash is suitable for compact control firmware, calibration constants, and a field-update path. The MCU does not replace the power stage or its safety controls, so isolation, protection, and actuator drive circuits must be designed separately. Follow the datasheet's grounding and bypass recommendations to prevent switching-node noise from degrading measurements.
エンジニアリング参考データ: C8051F067 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | C8051F064 | C8051F065 | C8051F066 | C8051F068 | C8051F069 |
|---|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | TQFP-64 (10 mm x 10 mm) | TQFP-64 (10 mm x 10 mm) | TQFP-64 (10 mm x 10 mm) | TQFP-64 (10 mm x 10 mm) | TQFP-64 (10 mm x 10 mm) | TQFP-64 (10 mm x 10 mm) |
| Processor Architecture | 8-bit 8051-compatible core | C8051F06x 8051-compatible family | C8051F06x 8051-compatible family | C8051F06x 8051-compatible family | C8051F06x 8051-compatible family | C8051F06x 8051-compatible family |
| Device Category | Mixed-signal microcontroller | C8051F06x mixed-signal MCU family | C8051F06x mixed-signal MCU family | C8051F06x mixed-signal MCU family | C8051F06x mixed-signal MCU family | C8051F06x mixed-signal MCU family |
| Pin Count | 64 pins | 64 pins | 64 pins | 64 pins | 64 pins | 64 pins |
主な差別化要因
- Defined 32 KB program-memory configuration （vs C8051F065)
- Same 64-pin TQFP footprint across the candidate family （vs C8051F064)
- Confirmed 25 MHz operating point and 16-bit conversion resolution （vs C8051F068)
設計ノート
Route analog inputs directly from their connector or sensor source to the assigned C8051F067 pins and keep switching or high-current paths away from the ADC inputs. Place the required bypass capacitors close to the device supply pins with short ground returns. Use the package drawing and pin-description table in the Silicon Labs manufacturer datasheet to establish the exact 64-pin footprint and pin-one orientation before releasing the board layout.
Treat the C8051F067 analog section as a mixed-signal design. A quiet reference and properly decoupled supply are essential if the 16-bit ADC is expected to deliver useful resolution; resistor noise and unstable references can otherwise dominate the measurement. Separate analog and digital returns where the layout guidance permits, avoid routing ADC traces beneath digital signals, and validate the complete input bandwidth and conversion timing under operating conditions.
A 64-pin package match does not by itself prove that another C8051F06x device is a drop-in replacement. Before changing the MPN, compare every connected pin, alternate-function mapping, supply requirement, ADC channel, timer, serial interface, reset behavior, clock connection, programming interface, and memory requirement. The C8051F067 has 32 KB of Flash, so firmware growth and startup behavior must also be checked when selecting a larger-memory family member.
Calculate the operating current from the active CPU, enabled peripherals, analog circuitry, and I/O load rather than from the maximum clock rate alone. Confirm the device's supply range and total current in the manufacturer datasheet, then size the regulator with margin for temperature and transient conditions. Place the required input capacitors at the package and follow the exact sequence of capacitor recommendations in the datasheet.
コンプライアンス情報
No specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations were identified for this device in the available records. The AEC-Q100 field remains unknown rather than being classified as not applicable because no qualification statement was available.