MC68HCP11E1FU - 8-Bit 3 MHz ROMless MCU | Freescale Semiconductor
N.º de pieza: MC68HCP11E1FU ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $10.1951 | $10,20 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MC68HCP11E1FU Descripción general
A microcontroller is a programmable semiconductor that integrates a CPU, memory interfaces, and peripherals into one embedded-control component. The HC11 family belongs to the broader 8-bit microcontroller hierarchy and is intended for systems that require deterministic control, communication, timing, and input/output handling. Because MC68HCP11E1FU is ROMless, application firmware must be supplied through an external memory connection rather than relying on internal program ROM.
The principal verified characteristics are the 8-bit architecture, 3 MHz operating frequency, ROMless configuration, and 52-pin PLCC package. The supplied distributor listing also identifies the HC11 family and a 3 V to 5.5 V operating range. Other device details, including RAM size, EEPROM size, peripheral configuration, pin names, and absolute electrical limits, were not included in the provided verified data and therefore require confirmation from the manufacturer documentation.
The HC11 architecture is suited to embedded controllers, industrial equipment, communications modules, and legacy control platforms that use an established 8-bit code base. Its 3 MHz clock provides the device identity shown by distributors, but actual application performance depends on memory timing, peripherals, instruction execution, and external bus implementation. The ROMless architecture gives the designer flexibility over firmware storage while increasing the importance of external memory address decoding and bus timing.
Typical design decisions include selecting compatible external memory, preserving the HC11 bus and peripheral connections, and validating the PLCC footprint before assembly. Engineers should not substitute a functionally similar MCU solely by core or clock frequency because memory maps, interrupt behavior, peripheral registers, and package pin assignments must match.
For a robust production design, use the manufacturer HC11E1 documentation to verify pinout, electrical limits, timing, and programming requirements. This page consolidates verified distributor information, sourcing context, application guidance, and the unresolved data that must be checked before release to manufacturing.
This information is intended to support early engineering evaluation and sourcing. Because the provided data does not include a verified manufacturer datasheet URL or complete pin-level information, no unsupported electrical or pin claims are asserted here.
Alternativas directas para MC68HCP11E1FU — 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 MC68HCP11E1FU (mismo factor de forma y huella) — difiere en Program Memory, ADC, Architecture, Core, Device Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
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Ver hoja de datos →MC68HCP11E1FU Valores máximos y características eléctricas
| Product Type | 8-bit ROMless microcontroller |
| CPU Family | HC11 |
| Operating Frequency | 3 MHz |
| Program Memory Configuration | ROMless |
| Operating Voltage Range | 3 V to 5.5 V |
| Package Type | 52-pin PLCC |
| Package Dimensions | 19.13 mm x 19.13 mm |
| Tipo de montaje | Surface mount |
| Device Classification | Embedded microcontroller |
| Architecture | 8-bit |
| Manufacturer | Freescale Semiconductor |
Guía de configuración de pines de MC68HCP11E1FU 19.13 mm x 19.13 mm
Configuración de pines para MC68HCP11E1FU (encapsulado 19.13 mm x 19.13 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 MC68HCP11E1FU.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC68HCP11E1FU es adecuado para 6 aplicacións: Legacy HC11 Industrial Controller, External-Memory Embedded System, Communications Interface Controller, Data Acquisition and Monitoring Unit, Motor and Equipment Control, Programmable Logic Controller.
Legacy HC11 Industrial Controller
MC68HCP11E1FU fits an established HC11 control platform that uses an 8-bit CPU, 3 MHz operating rate, and external program memory. It can be used where the original firmware and bus architecture are already qualified, allowing the controller design to retain proven application logic while using a ROMless MCU with external memory. The 52-pin PLCC package requires a footprint and pinout check before layout release. Because the supplied data does not confirm industrial temperature grade, EMC performance, or complete peripheral details, qualification must use the manufacturer HC11E1 documentation.
Recomendado
External-Memory Embedded System
The ROMless configuration of MC68HCP11E1FU makes it appropriate for an embedded system that separates application firmware from the MCU. External memory can be selected to match the required firmware capacity and bus timing, while the MCU handles the HC11 control function. The 3 MHz device identity and 3 V to 5.5 V operating range provide the initial platform constraints, but address decoding, memory timing, reset behavior, and bus contention must be verified from the manufacturer documentation before schematic release.
Recomendado
Communications Interface Controller
MC68HCP11E1FU can serve as the control element in a legacy communications peripheral or protocol controller when its HC11 peripherals, interrupt handling, and external bus support match the system. The 8-bit architecture and 3 MHz clock are suitable for coordinating protocol state machines and I/O activity, but the available evidence does not identify UART, SPI, CAN, or other communication peripherals. Confirm the exact pinout and peripheral registers before selecting this MCU for a new communications design.
Recomendado
Data Acquisition and Monitoring Unit
A monitoring or data-acquisition product can use MC68HCP11E1FU when the existing HC11 firmware performs sensor sampling, control sequencing, and external data handling. The ROMless architecture permits firmware capacity to scale with the external memory design, and the 3 MHz operating point supports many traditional embedded-control tasks. However, analog front-end accuracy, sensor timing, watchdog behavior, and I/O capacity are not specified in the provided data, so those requirements must be checked against the complete datasheet and reference design.
Recomendado
Motor and Equipment Control
MC68HCP11E1FU may be evaluated for legacy motor or equipment-control functions where an established HC11 software base already controls relays, actuators, or sequencing logic. Its 8-bit CPU and 3 MHz identity are appropriate for deterministic supervisory control, but motor-drive timing, I/O levels, isolation, and protection requirements are outside the verified data. A new motor-control product should not rely on this MCU without reviewing absolute maximum ratings, peripheral availability, thermal limits, and application-specific safety requirements.
Recomendado
Programmable Logic Controller
MC68HCP11E1FU can be considered for a legacy programmable-logic or embedded sequencer that relies on HC11 code and external program storage. The 8-bit architecture is suitable for straightforward control loops and state-machine tasks, while the ROMless configuration allows the firmware organization to follow the original system architecture. The 52-pin PLCC footprint and 3 V to 5.5 V range are verified identity features, but I/O count, timing, watchdog, and electrical drive capability must be confirmed before using it as a new PLC platform.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC68HCP11E1FU — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC68HCP11E1CFU3 | MC68HC11E0CFNE3 | MC68HC11E1FN | MC68HC711MA8FU |
|---|---|---|---|---|---|
| Brand | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor |
Diferenciadores clave
- ROMless architecture enables application-controlled external firmware storage (frente a MC68HC11E0CFNE3)
- Verified 3 MHz operating identity for HC11 firmware timing context (frente a MC68HC11E1FN)
- 52-pin PLCC package with 19.13 mm x 19.13 mm dimensions (frente a MC68HCP11E1CFU3)
Notas de diseño
Before committing the PCB, obtain the official HC11E1 family documentation and compare the 52-pin PLCC land pattern, pin numbering, and exposed package details against the verified 19.13 mm by 19.13 mm package statement. Do not rely on package name alone: a PLCC device with the same nominal pin count can still have different pin assignments. Mark all external-memory, clock, reset, and control-signal nets in the schematic and review them against the manufacturer application guidance.
Design the supply rail around the verified 3 V to 5.5 V operating range, but confirm the actual core, I/O, and absolute maximum limits from the manufacturer datasheet. Place the required bypass capacitors close to the MCU power pins using the manufacturer reference layout, and provide clean return paths for the external-memory bus. Estimated: if the system draws a device load of 50 mA at 5 V, the supply power is 0.25 W; this is an illustrative calculation, not a verified MC68HCP11E1FU specification.
Do not substitute a device based only on the HC11 family name, 3 MHz frequency, or PLCC package. A valid replacement must match external-memory organization, address decoding, interrupt vectors, timer behavior, I/O pin functions, electrical levels, and firmware assumptions. The supplied cross-reference results did not establish a fully verified drop-in replacement, so prototype any candidate with bus, memory, reset, and peripheral tests before production use.
Información de cumplimiento
One distributor snippet mentions RoHS compliance, but the supplied verified data does not include a supporting declaration. Compliance fields remain unknown rather than inferred.
