MC68P11E1CFN2R2 - 8-Bit 2 MHz ROMless 52-PLCC MCU
MPN: MC68P11E1CFN2R2 ✗ Cuối đờiMC68P11E1CFN2R2 Tóm tắt
A microcontroller is a programmable semiconductor that integrates a CPU core, memory interfaces, and peripheral functions into one component. The MC68P11E1CFN2R2 belongs to the HC11 family, commonly described as an 8-bit MCU or embedded controller. Its ROMless architecture separates program storage from the MCU, allowing firmware size and memory technology to be selected according to the product requirements rather than being fixed inside the device.
The key verified characteristics are the 2 MHz operating frequency, ROMless configuration, 512 x 8 memory size, 8-bit CPU architecture, and 52-pin PLCC package. The 2 MHz clock provides a straightforward execution platform for control loops, keypad or interface scanning, state machines, and supervisory functions. Because the available evidence does not include the complete electrical limits, peripheral inventory, memory map, timing details, or environmental ratings, those specifications remain marked as data needed rather than being inferred.
The M68HC11E/D family architecture places the MCU within a broader embedded processor hierarchy: microcontroller, embedded controller, microprocessor, and semiconductor. External program memory is especially relevant when a design needs field-updatable firmware, reusable boot code, or a memory organization different from the MCU’s internal architecture. Designers should verify the external bus, address decoding, reset behavior, and toolchain compatibility against the manufacturer documentation before committing the board layout.
Typical uses include industrial equipment, legacy control systems, test fixtures, motor or process supervisory controllers, and embedded products that already use the HC11 ecosystem. The 52-pin PLCC package is useful when a compact leaded-grid footprint is desired, but it is not a modern fine-pitch package. Production sourcing should account for the part’s age and the possibility that inventory is limited or sourced from specialist distributors.
For a new design, do not assume that every HC11 part is interchangeable. Confirm package pinout, memory configuration, clock requirements, peripheral resources, voltage limits, and external-memory timing. For a replacement, treat the manufacturer or a qualified distributor record as the source of truth and preserve the original footprint unless a deliberate redesign has been validated.
This product record combines verified distributor specifications, source links, selection guidance, and explicit data gaps so engineers can distinguish documented facts from parameters that still require verification before PCB release or production approval.
Bộ thay thế dễ dàng lắp đặt cho MC68P11E1CFN2R2 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC68P11E1CFN2R2 (cùng hình factor và footprint) — khác nhau ở Program Memory, ADC, Architecture, CPU Core, Maximum Clock Frequency.
MC68HC11E1CFNE2
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC68HC11E0CFNE3
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC68HC711MA8FU
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC68HC711E20CFU4
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC68HCP11E1CFU3
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC68P11E1CFN2R2 Tỷ lệ tối đa & tính chất điện
| Product Type | 8-bit microcontroller |
| CPU Family | HC11 |
| Operating Frequency | 2 MHz |
| Program Memory Architecture | ROMless |
| Kích thước bộ nhớ | 512 x 8 |
| CPU Architecture | 8-bit |
| Package Type | 52-pin PLCC |
| Package Dimensions | 19.13 mm x 19.13 mm |
| Kiểu lắp đặt | Surface mount |
| Trạng thái RoHS | Compliant |
| Manufacturer | Freescale Semiconductor |
Hướng dẫn cấu hình chân MC68P11E1CFN2R2 19.13 mm x 19.13 mm
Cấu hình chân cho MC68P11E1CFN2R2 (19.13 mm x 19.13 mm gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho MC68P11E1CFN2R2.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MC68P11E1CFN2R2 phù hợp cho 6 Áp dụngs: Legacy industrial control, Programmable logic controller, Test and measurement fixture, Embedded appliance controller, Motor and process supervisory control, Legacy automotive accessory module.
Legacy industrial control
The MC68P11E1CFN2R2 fits an existing industrial controller that already uses the HC11 execution model and 52-pin PLCC footprint. Its verified 2 MHz 8-bit CPU can handle sequencing, supervisory logic, and discrete I/O control when the external program-memory bus is designed to match the device. The advantage is continuity with established HC11 firmware and board layouts; the trade-off is that the ROMless architecture requires external storage, while modern alternatives may offer lower power and faster processing. Before release, verify supply voltage, I/O limits, peripheral resources, and timing from the manufacturer documentation.
Được đề xuất
Programmable logic controller
The target device is suitable for a legacy PLC-style control module where deterministic 8-bit computation, external firmware storage, and a stable controller architecture are more important than modern wireless connectivity. At 2 MHz, the MCU can execute state-machine logic and coordinate sensor inputs and actuator outputs, subject to the verified peripheral and timing limits. Use it when preserving an HC11 toolchain and firmware is valuable. Do not assume that a 52-pin PLCC part can be replaced by a different package; verify pin mapping, bus timing, and software startup behavior before production.
Được đề xuất
Test and measurement fixture
A 2 MHz 8-bit HC11 controller can serve as the supervisory processor in a test fixture that sequences measurements, interprets operator commands, and controls external instruments. The ROMless configuration allows the firmware image to reside in external memory, which can be useful during fixture development or when the same controller platform supports multiple test programs. The design must include correct reset, clock, address decoding, and bus timing arrangements. The main limitation is that detailed peripheral and electrical specifications are absent from the supplied evidence, so they must be checked against the family technical data.
Được đề xuất
Embedded appliance controller
MC68P11E1CFN2R2 can be considered for a legacy appliance or equipment controller whose main requirements are repeatable control behavior, external code storage, and an established HC11 software base. The 2 MHz 8-bit processor is appropriate for supervisory loops and discrete control tasks when the application does not require high-bandwidth processing. A modern MCU may reduce board area and power, but migration can change pinout, memory organization, peripheral behavior, and firmware. Keep the PLCC footprint and external-memory interface unchanged if maintaining the original design is the primary goal.
Được đề xuất
Motor and process supervisory control
The target MCU can be used as a supervisory controller around a motor or process subsystem, provided the application timing and I/O requirements match the HC11 device. Its 2 MHz clock supports general-purpose sequencing, while external program memory permits firmware storage outside the MCU. The controller should coordinate enable signals, interlocks, status reporting, and fault handling rather than be assumed to perform complex motion or signal processing without verified peripheral data. Check pin-level electrical limits and interrupt behavior carefully, especially when replacing the part in a safety-relevant or production machine.
Được đề xuất
Legacy automotive accessory module
The HC11 architecture may be suitable for a legacy automotive accessory or body-control module only when the device’s qualified temperature, voltage, electromagnetic, and automotive requirements are confirmed from current manufacturer documentation. The verified evidence establishes a 2 MHz 8-bit ROMless MCU in PLCC-52, but it does not establish AEC-Q100 qualification or automotive temperature limits. Therefore, this application should not be released without separate qualification review, transient protection analysis, and a complete electrical comparison. For a new automotive design, a currently qualified MCU family is generally safer than an unverified legacy device.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC68P11E1CFN2R2 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MC68HC11E1CFNE2 | MC68HC11E0CFNE3 | MC68HC711MA8FU | MC68HC711E20CFU4 | MC68HCP11E1CFU3 |
|---|---|---|---|---|---|---|
| Manufacturer | Freescale Semiconductor | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Freescale Semiconductor |
| Package | 52-pin PLCC | PLCC-52 | PLCC-52 | PLCC-52 | PLCC-52 | PLCC-52 |
| CPU architecture | 8-bit HC11 | 8-bit HC11 family | 8-bit HC11 family | 8-bit HC11 family | 8-bit HC11 family | 8-bit HC11 family |
Bảo phân biệt quan trọng
- Directly documented 2 MHz operating point (vsMC68HC11E1CFNE2)
- Verified ROMless architecture (vsMC68HC11E1CFNE2)
- Verified package dimensions (vsMC68HC11E1CFNE2)
Ghi chú thiết kế
Preserve the original PLCC-52 land pattern, pad dimensions, and pin numbering when maintaining an existing board. Do not substitute a generic PLCC footprint or route from a family-level diagram until the device-specific pinout is confirmed. Because the MCU is ROMless, verify the external program-memory address and data bus before fabrication; a package-compatible part can still fail electrically if its bus mapping or memory requirements differ.
Do not approve a replacement based only on the shared 52-pin PLCC package and 512 x 8 memory description. Compare supply voltage, clock limits, reset behavior, pin multiplexing, interrupt vectors, external-memory timing, peripheral resources, and firmware compatibility. The supplied cross-reference material identifies MC68HC11E1CFNE2 as a possible candidate, but it does not establish drop-in equivalence. Bench validation and manufacturer documentation are required.
Review the external bus layout with the actual clock and memory timing. Keep the processor clock, control signals, and memory data/address routes short where practical, provide proper termination or series damping according to the electrical characteristics, and avoid routing noisy motor or switching-power paths directly beneath the controller. Since the provided data does not specify drive strength, rise/fall time, or bus timing, these values must come from the family technical data.
Estimate the device power dissipation from the actual supply voltage, clock, I/O loading, and external-bus activity rather than assuming that the 2 MHz clock alone determines thermal load. The supplied data does not include supply voltage, current consumption, junction temperature, or package thermal resistance, so no numerical thermal result can be responsibly stated. Use the manufacturer electrical data and the final PCB copper area to assess temperature rise and reliability.
Thông tin tuân thủ
The supplied Veswin result states that the part is RoHS compliant. No verified evidence was provided for REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status.
