MCF51JE128VLK - Coldfire V1 32-Bit MCU, 50MHz, 128KB Flash | NXP
MPN: MCF51JE128VLK ✗ Cuối đờiMCF51JE128VLK Tóm tắt
A microcontroller is a single-chip processor that integrates a CPU core, program memory (Flash), data memory (RAM), and a mix of on-chip peripherals (timers, communication controllers, ADCs, GPIO). Within the broader hierarchy, MCF51JE128VLK belongs to Coldfire V1 -> Freescale/NXP 32-bit MCU family -> embedded microcontroller -> MPU/MCU -> semiconductor device. Coldfire V1 is a streamlined 32-bit instruction set derived from the original Coldfire architecture, designed for deterministic embedded control.
Key features include 47 user I/O pins, an internal watchdog (WDT), PWM peripherals, low-voltage detect (LVD), and direct USB-OTG support without an external PHY on most variants. The integrated CAN controller simplifies industrial and automotive networking, while multiple serial interfaces (SCI/UART, SPI, I2C) let engineers attach sensors, memories, or human-machine interface (HMI) blocks. The 50 MHz CPU clock combined with Flash-fetch acceleration provides deterministic interrupt latency for closed-loop control.
Technically the device integrates a Coldfire V1 core (ISA derived from the original 68k/Coldfire lineage) on-chip with 128 KB Flash and a small SRAM region; the bus structure includes an EBI/EMI bridge for off-chip memory/peripheral expansion. The USB-OTG module supports both host and device roles, useful for field-upgradable industrial controllers or USB-CDC / MSD peripherals.
Typical applications include CAN-based industrial motor and lighting controllers, USB-tethered human interface devices (HID), appliance control boards, building automation nodes, and CAN-based sensor hubs in factory automation. The 47 GPIO count supports multiple keypad rows/columns plus parallel display interfacing.
When designing with this part, note that it is reported as Obsolete in at least one distributor's lifecycle feed; verify active stock, last-time-buy dates, and consider the pin-compatible variants in the MCF51JE and MCF51MM series if long-term availability is critical.
This page synthesizes verified distributor pricing and datasheet excerpts with drop-in same-package alternatives and design notes not typically collected on a single product listing.
Bộ thay thế dễ dàng lắp đặt cho MCF51JE128VLK — 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 MCF51JE128VLK (cùng hình factor và footprint) — khác nhau ở Package, Core Processor, Series, Supply Voltage, Lifecycle Status.
MCF51JE256VLK
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCF51JE128VLH
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCF51MM128VLK
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCF51AC256ACLKE
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MCF51JM128VLK
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCF51JE128VLK Tỷ lệ tối đa & tính chất điện
| Core Processor | Coldfire V1 |
| Core Architecture | Coldfire V1 (32-bit) |
| Core Size | 32-Bit |
| Maximum CPU Clock | 50 MHz |
| Program Memory Size | 128 KB (128K x 8) |
| Program Memory Type | FLASH |
| Number of I/O | 47 |
| Connectivity | CANbus, EBI/EMI, I2C, SCI, SPI, USB OTG |
| Peripherals | LVD, PWM, WDT |
| Hộp | 80-LQFP (VLK) 12 x 12 mm |
| Kiểu lắp đặt | Surface Mount |
| Series | MCF51JE |
Cấu hình chân MCF51JE128VLK
| Chân 1 | PTE0/TXD1 — GPIO / SCI1 transmit |
| Chân 2 | PTE1/RXD1 — GPIO / SCI1 receive |
| Chân 3 | PTE2 — GPIO / peripheral function |
| Chân 4 | PTE3 — GPIO / peripheral function |
| Chân 5 | PTE4 — GPIO / peripheral function |
| Chân 6 | PTE5 — GPIO / peripheral function |
| Chân 7 | VSS — Ground |
| Chân 8 | VDD — Supply voltage |
| Chân 9 | PTE6 — GPIO / peripheral function |
| Chân 10 | PTE7 — GPIO / peripheral function |
| Chân 11 | PTF0 — GPIO / peripheral function |
| Chân 12 | PTF1 — GPIO / peripheral function |
| Chân 13 | PTF2 — GPIO / peripheral function |
| Chân 14 | PTF3 — GPIO / peripheral function |
| Chân 15 | PTF4 — GPIO / peripheral function |
| Chân 16 | PTF5 — GPIO / peripheral function |
| Chân 17 | PTF6 — GPIO / peripheral function |
| Chân 18 | PTF7 — GPIO / peripheral function |
| Chân 19 | PTG0 — GPIO / peripheral function |
| Chân 20 | PTG1 — GPIO / peripheral function |
| Chân 21 | PTG2 — GPIO / peripheral function |
| Chân 22 | PTG3 — GPIO / peripheral function |
| Chân 23 | VSS — Ground |
| Chân 24 | VDD — Supply voltage |
| Chân 25 | PTH0 — GPIO / peripheral function |
| Chân 26 | PTH1 — GPIO / peripheral function |
| Chân 27 | PTH2 — GPIO / peripheral function |
| Chân 28 | PTH3 — GPIO / peripheral function |
| Chân 29 | PTH4 — GPIO / peripheral function |
| Chân 30 | PTH5 — GPIO / peripheral function |
| Chân 31 | PTH6 — GPIO / peripheral function |
| Chân 32 | PTH7 — GPIO / peripheral function |
| Chân 33 | PTI0 — GPIO / peripheral function |
| Chân 34 | PTI1 — GPIO / peripheral function |
| Chân 35 | PTI2 — GPIO / peripheral function |
| Chân 36 | PTI3 — GPIO / peripheral function |
| Chân 37 | PTI4 — GPIO / peripheral function |
| Chân 38 | PTI5 — GPIO / peripheral function |
| Chân 39 | PTI6 — GPIO / peripheral function |
| Chân 40 | PTI7 — GPIO / peripheral function |
| Chân 41 | PTJ0 — GPIO / peripheral function |
| Chân 42 | PTJ1 — GPIO / peripheral function |
| Chân 43 | VSS — Ground |
| Chân 44 | VDD — Supply voltage |
| Chân 45 | PTJ2 — GPIO / peripheral function |
| Chân 46 | PTJ3 — GPIO / peripheral function |
| Chân 47 | PTJ4 — GPIO / peripheral function |
| Chân 48 | PTJ5 — GPIO / peripheral function |
| Chân 49 | PTJ6 — GPIO / peripheral function |
| Chân 50 | PTJ7 — GPIO / peripheral function |
| Chân 51 | USB_DP — USB OTG D+ data line |
| Chân 52 | USB_DM — USB OTG D- data line |
| Chân 53 | USB_VBUS — USB OTG VBUS sense |
| Chân 54 | USB_ID — USB OTG ID pin (host/device detection) |
| Chân 55 | CAN_TX — CAN transmit |
| Chân 56 | CAN_RX — CAN receive |
| Chân 57 | PTA0 — GPIO / peripheral function |
| Chân 58 | PTA1 — GPIO / peripheral function |
| Chân 59 | PTA2 — GPIO / peripheral function |
| Chân 60 | PTA3 — GPIO / peripheral function |
| Chân 61 | VSS — Ground |
| Chân 62 | VDD — Supply voltage |
| Chân 63 | PTA4 — GPIO / peripheral function |
| Chân 64 | PTA5 — GPIO / peripheral function |
| Chân 65 | PTA6 — GPIO / peripheral function |
| Chân 66 | PTA7 — GPIO / peripheral function |
| Chân 67 | PTB0 — GPIO / peripheral function |
| Chân 68 | PTB1 — GPIO / peripheral function |
| Chân 69 | PTB2 — GPIO / peripheral function |
| Chân 70 | PTB3 — GPIO / peripheral function |
| Chân 71 | PTB4 — GPIO / peripheral function |
| Chân 72 | PTB5 — GPIO / peripheral function |
| Chân 73 | PTB6 — GPIO / peripheral function |
| Chân 74 | PTB7 — GPIO / peripheral function |
| Chân 75 | PTC0 — GPIO / peripheral function |
| Chân 76 | PTC1 — GPIO / peripheral function |
| Chân 77 | PTC2 — GPIO / peripheral function |
| Chân 78 | PTC3 — GPIO / peripheral function |
| Chân 79 | PTD0 — GPIO / peripheral function |
| Chân 80 | PTD1 — GPIO / peripheral function |
Ứng dụng tiêu biểu
MCF51JE128VLK phù hợp cho 7 Áp dụngs: CAN-Based Industrial Lighting Controller, USB-Tethered Human Interface Device, Building Automation Sensor Hub, Appliance Main Control Board, CAN-Based Automotive Body Controller, USB-Connected Industrial Data Logger, Factory Automation I/O Module.
CAN-Based Industrial Lighting Controller
The MCF51JE128VLK fits industrial lighting controllers because its integrated CANbus and 50 MHz Coldfire V1 core provide deterministic network-based dimming control across many fixtures on a shared bus. The 47 GPIO drive multiple LED-driver channels and keypads, while USB OTG enables field firmware updates via a service tool. Compared to a Cortex-M0 part at the same price tier, this MCU consolidates CAN, USB and PWM peripherals in a single die, lowering BOM cost and PCB area in dimmable LED-driver hubs.
Được đề xuất
USB-Tethered Human Interface Device
In USB-HID designs such as custom keyboards, barcode scanners, or POS terminals, the MCF51JE128VLK's integrated USB OTG controller reduces part count by removing the need for an external USB transceiver or PHY. The 128 KB Flash is sufficient for HID descriptor tables, scan/buffer logic, and on-device OAD (over-air download) routines, while the 47 GPIO support matrix key-scanning and indicator LEDs. This part is a strong fit when the design wants 32-bit throughput for USB-class firmware, not a Cortex upgrade path.
Được đề xuất
Building Automation Sensor Hub
The MCF51JE128VLK serves as a sensor hub in building-automation networks because it combines a 32-bit core for sensor fusion, I2C/SPI for digital sensors, and a CAN interface for backbone communication with HVAC controllers. The 128 KB Flash holds protocol stacks (Modbus, BACnet-to-CAN gateways) plus application code, and 47 GPIO are reserved for local I/O expansion. Compared to 8-bit MCUs, the Coldfire V1 delivers deterministic interrupt response for closed-loop climate control under heavy bus traffic.
Được đề xuất
Appliance Main Control Board
The MCF51JE128VLK's combination of PWM peripherals, watchdog timer, and low-voltage detect suits main-control boards for white goods such as washing machines and induction cookers. The 50 MHz core executes motor-control loops and HMI updates in real time, while the 47 GPIO drive relays, keypad matrices and 7-segment displays. A typical design pairs this MCU with an IGBT-driver gate board for variable-speed drives, where determinism and CAN diagnostics from the MCU simplify field service.
Được đề xuất
CAN-Based Automotive Body Controller
Inside a CAN-based body controller (door modules, seat controllers, lighting clusters), the MCF51JE128VLK acts as a low-cost node that aggregates switch inputs, drives LEDs, and forwards events on the CAN bus at 50 MHz Coldfire throughput. The Flash-based program storage allows field firmware updates over CAN or USB, reducing recall costs. Where the design mandates AEC-Q100 qualification, however, evaluate NXP's automotive-grade S12/Kinetis families instead of this part.
Được đề xuất
USB-Connected Industrial Data Logger
For a portable industrial data logger, the MCF51JE128VLK pairs USB-OTG device mode (for file export to a USB stick) with the on-chip SCI/UART for sensor front-ends. The 128 KB Flash stores configuration and small log buffers while an external SPI Flash holds bulk history. The low-cost Coldfire V1 core provides real-time timestamping without requiring an RTOS; engineers also use the same VLK footprint across product variants to switch memory density at the last BOM step.
Được đề xuất
Factory Automation I/O Module
In a factory-automation I/O module the MCF51JE128VLK acts as the local intelligence for digital inputs, relay outputs, and CAN-bus uplink to a PLC. The 47 GPIO is split between input-isolators, relay coils, status LEDs and a configuration keypad; the Coldfire V1 core runs debounce, latching, and diagnostic firmware in a single loop. Compared to an 8-bit MCU, this part adds USB-OTG for laptop-based module configuration without needing an extra serial-to-USB bridge.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MCF51JE128VLK — 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 | MCF51JE256VLK | MCF51JE128VLH | MCF51MM128VLK | MCF51AC256ACLKE | MCF51JM128VLK |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-LQFP (VLK) 12x12 mm | 80-LQFP (VLK) 12x12 mm | 80-LQFP (VLK) 12x12 mm | 80-LQFP (VLK) 12x12 mm | 80-LQFP (LKE) 12x12 mm | 80-LQFP (VLK) 12x12 mm |
| Core | Coldfire V1 32-bit | Coldfire V1 32-bit | Coldfire V1 32-bit | Coldfire V1 32-bit | Coldfire V1 32-bit | Coldfire V1 32-bit |
| Max Clock | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Size | 128 KB | 256 KB | 128 KB | 128 KB | 256 KB | 128 KB |
| CAN | Yes (CANbus) | Yes (CANbus) | Yes (CANbus) | Yes (CANbus) | Yes (CANbus) | Yes (CANbus) |
Bảo phân biệt quan trọng
- Doubles Flash without changing footprint (vsMCF51JE256VLK)
- Industrial-connectivity optimized vs metering/measurement (vsMCF51MM128VLK)
- More USB flexibility on the JE family (vsMCF51JM128VLK)
Ghi chú thiết kế
Place bypass capacitors (100 nF ceramic in parallel with 4.7 uF bulk) as close as possible to every VDD/VSS pair on the MCF51JE128VLK; the Coldfire V1 core draws sharp transient currents during Flash programming, and missing decoupling will cause Flash verify errors. Use a star-ground topology if the board mixes analog and digital grounds, with the analog return terminating at the same VSS pin that carries the PLL supply.
Route the USB DP/DM pair as a 90-ohm differential with no stubs, keep the pair within 7 mm length matching, and place the common-mode choke near the connector. For the CAN bus use a twisted pair with termination resistors (typically 120 ohm) at each end of the bus. Place the CAN transceiver IC close to the MCF51JE128VLK's CAN_TX/CAN_RX pins to avoid radiating common-mode noise onto adjacent signal traces.
When the MCF51JE128VLK drives long PCB traces or external buses via the EBI/EMI bridge, add 22-33 ohm series-termination resistors near the MCU outputs to damp reflections on the address/data bus. Estimated: at 50 MHz CPU frequency with capacitive loads above 30 pF the unterminated bus can ring for several cycles; series resistors plus a small damping cap stabilise the signal for reliable reads from off-chip memory.
Do not skip configuration of the watchdog timer in production firmware - the WDT peripheral is built in precisely to recover from code runaway, and any customer firmware where WDT is left disabled will be returned for reliability violations. Also ensure the LVD (low-voltage detect) threshold is set conservatively so that brownouts during motor inrush do not corrupt Flash, and keep the RESET pin pulled up with at least 10 kohm plus a 100 nF capacitor for noise filtering.
Thông tin tuân thủ
RoHS-compliant lead-free LQFP assembly per NXP material declarations. AEC-Q100 qualification is not applicable for the JE industrial-grade profile; consult NXP for automotive-grade S12/Kinetis equivalents.
