C8051F011 - 20MHz 32KB Mixed-Signal 8051 MCU | Silicon Labs
N.º de pieza: C8051F011 ✗ Fin de vida| Cant. | Precio unitario | Total |
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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 Descripción general
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.
Alternativas directas para C8051F011 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con C8051F011 (mismo factor de forma y huella) — difiere en Package, ADC Resolution, Mounting Type, ADC Channel Count, Comparator Count.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
C8051F010
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →C8051F012
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →C8051F011-GQ
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
C8051F010-GQ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
C8051F012-GQ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
C8051F011 Valores máximos y características eléctricas
| Product Type | 8-bit mixed-signal microcontroller |
| Processor Core | 8051-compatible core |
| Frecuencia de reloj máxima | 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 |
| Encapsulado | 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 |
| Tipo de montaje | Surface-mount TQFP |
| Orderable Device | C8051F011-GQ |
Guía de configuración de pines de C8051F011 7 x 7 mm
Configuración de pines para C8051F011 (encapsulado 7 x 7 mm). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para C8051F011.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
C8051F011 es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para C8051F011 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- Integrated mixed-signal functionality (frente a Generic 8051 MCU with no verified analog block)
- 20 MHz processing class (frente a Lower-speed 8051 controller)
- 32 KB ISP flash memory (frente a 8051 MCU with smaller program memory)
- Mixed-signal integration for compact controls (frente a Discrete MCU plus external ADC arrangement)
Notas de diseño
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.
Información de cumplimiento
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.
