MC68HCP11E1FU - 8-Bit 3 MHz ROMless MCU | Freescale Semiconductor
MPN: MC68HCP11E1FU ✗ Akhir HayatMC68HCP11E1FU Ringkasan
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.
Pilihan pengganti yang segera untuk MC68HCP11E1FU — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera MC68HCP11E1FU (sama faktor bentuk dan kaki) — berbeza dalam Program Memory, ADC, Architecture, Core, Device Type.
MC68HCP11E1CFU3
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✅ Masuk Drop-In📋 Alternatif rujukan (tidak dalam katalog)
MC68HC711MA8FU
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →MC68HC16Z1MAG16
✅ Masuk Drop-In ⚠️ Spesifikasi Tidak DisahkanHubungi untuk harga
Lihat Datasheet →MC68HCP11E1FU Penilaian maksimum & Ciri-ciri Elektrik
| 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 |
| Jenis Pemasangan | Surface mount |
| Device Classification | Embedded microcontroller |
| Architecture | 8-bit |
| Manufacturer | Freescale Semiconductor |
Panduan Konfigurasi Pin MC68HCP11E1FU 19.13 mm x 19.13 mm
Konfigurasi pin untuk MC68HCP11E1FU (19.13 mm x 19.13 mm pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk MC68HCP11E1FU.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
MC68HCP11E1FU patut untuk 6 aplikasis: 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.
Disebarkan
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.
Disebarkan
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.
Disebarkan
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.
Disebarkan
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.
Disebarkan
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.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk MC68HCP11E1FU — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | MC68HCP11E1CFU3 | MC68HC11E0CFNE3 | MC68HC11E1FN | MC68HC711MA8FU |
|---|---|---|---|---|---|
| Brand | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor |
Penyeberangsung Jelas
- ROMless architecture enables application-controlled external firmware storage (vsMC68HC11E0CFNE3)
- Verified 3 MHz operating identity for HC11 firmware timing context (vsMC68HC11E1FN)
- 52-pin PLCC package with 19.13 mm x 19.13 mm dimensions (vsMC68HCP11E1CFU3)
Catatan Desain
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.
Maklumat Kesediaan
One distributor snippet mentions RoHS compliance, but the supplied verified data does not include a supporting declaration. Compliance fields remain unknown rather than inferred.
