MCF51JM32EVLK - 32KB Flash ColdFire V1 MCU | NXP | USB & CAN
N.º da peça: MCF51JM32EVLK ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.5 | $9,50 |
| 10 | $8.55 | $85,50 |
| 100 | $7.6 | $760,00 |
| 500 | $6.84 | $3.420,00 |
| 1.000 | $6.08 | $6.080,00 |
MCF51JM32EVLK Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and peripheral interfaces into one device. The MCF51JM32 belongs to the 32-bit ColdFire family, which sits in the hierarchy of embedded microcontrollers (MCU -> 32-bit MCU -> ColdFire architecture -> industrial/consumer-grade MCU -> semiconductor IC). ColdFire V1 combines a RISC instruction set with the Freescale/NXP peripheral ecosystem, easing migration from legacy HC08/HCS08 designs.
Key differentiating features include the integrated USB OTG controller with on-chip transceiver - eliminating external PHY chips for low- and full-speed USB designs - and a CAN 2.0A/B-compliant controller targeting industrial networking. The 50 MHz core delivers 50 MIPS, with hardware multiply/accumulate and a background debug controller for non-intrusive in-circuit development.
The architecture combines a ColdFire V1 core with crossbar switch, 32KB program Flash, 16KB SRAM, and a versatile peripheral set: SCI, SPI, I2C, PWM (6 channels), 12-bit ADC (8-ch), and a real-time counter. The on-chip voltage regulator supports 2.7V-5.5V single-supply operation with internal 1.8V core regulation, simplifying board design.
Typical applications include USB peripherals, CAN-based industrial nodes, point-of-sale terminals, medical monitoring devices, and USB-CAN bridges. The integrated USB OTG makes the part a strong fit for HID devices, CDC virtual COM ports, and firmware upgrade dongles.
When designing with this part, ensure the USB DP/DM traces are 90-ohm differential with a common-mode choke nearby; route the 12 MHz crystal traces short and guard them with a ground ring to meet USB compliance. The internal regulator requires a 1uF decoupling capacitor on the VDDINT pin.
Alternativas drop-in para MCF51JM32EVLK — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MCF51JM32EVLK (mesmo formato e footprint) — diferindo em Connectivity, Program Memory Size, Supply Voltage.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MCF51JM64VLK
✅ Drop-In✓ Em estoque
$6.05 / unidade
Ver ficha técnica →MCF51JM128VLK
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCF51JM32EVLK Classificações máximas e características elétricas
| Core Processor | ColdFire V1 |
| Core Size | 32-Bit |
| Frequência máxima de clock | 50 MHz |
| Program Memory Size | 32 KB (32K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 16 KB |
| Number of I/O | 66 |
| Connectivity | CAN, I2C, SCI, SPI, USB OTG |
| Peripherals | LVD, PWM, WDT |
| PWM Channels | 6 |
| ADC | 12-bit, 8-channel |
| Tensão de alimentação | 3.3 V / 5 V (2.7 V to 5.5 V range) |
| Temperatura de operação | -40C to +105C |
| Encapsulamento | 80-LQFP (14x14 mm) |
| Tipo de montagem | Surface Mount |
Configuração de pinos do MCF51JM32EVLK
| Pino 1 | PTE0/TxD1 — Port E bit 0 / SCI1 transmit |
| Pino 2 | PTE1/RxD1 — Port E bit 1 / SCI1 receive |
| Pino 3 | PTE2 — Port E bit 2 |
| Pino 4 | PTE3 — Port E bit 3 |
| Pino 5 | PTE4 — Port E bit 4 |
| Pino 6 | PTE5 — Port E bit 5 |
| Pino 7 | PTE6 — Port E bit 6 |
| Pino 8 | PTE7 — Port E bit 7 |
| Pino 9 | VSS — Ground |
| Pino 10 | VDD — Supply voltage (2.7V-5.5V) |
| Pino 11 | PTF0 — Port F bit 0 |
| Pino 12 | PTF1 — Port F bit 1 |
| Pino 13 | PTF2 — Port F bit 2 |
| Pino 14 | PTF3 — Port F bit 3 |
| Pino 15 | PTF4 — Port F bit 4 |
| Pino 16 | PTF5 — Port F bit 5 |
| Pino 17 | PTF6 — Port F bit 6 |
| Pino 18 | PTF7 — Port F bit 7 |
| Pino 19 | PTG0 — Port G bit 0 |
| Pino 20 | PTG1 — Port G bit 1 |
| Pino 21 | PTG2 — Port G bit 2 |
| Pino 22 | PTG3 — Port G bit 3 |
| Pino 23 | PTG4 — Port G bit 4 |
| Pino 24 | PTG5 — Port G bit 5 |
| Pino 25 | PTG6 — Port G bit 6 |
| Pino 26 | PTG7 — Port G bit 7 |
| Pino 27 | PTH0 — Port H bit 0 |
| Pino 28 | PTH1 — Port H bit 1 |
| Pino 29 | PTH2 — Port H bit 2 |
| Pino 30 | PTH3 — Port H bit 3 |
| Pino 31 | PTH4 — Port H bit 4 |
| Pino 32 | PTH5 — Port H bit 5 |
| Pino 33 | PTH6 — Port H bit 6 |
| Pino 34 | PTH7 — Port H bit 7 |
| Pino 35 | USB_VDDA — USB analog supply (3.3V) |
| Pino 36 | USB_VSSA — USB analog ground |
| Pino 37 | USB_DP — USB D+ data line |
| Pino 38 | USB_DM — USB D- data line |
| Pino 39 | USB_VBUS — USB VBUS detect (5V) |
| Pino 40 | USB_ID — USB OTG ID pin (host/device detect) |
| Pino 41 | CAN_TX — CAN transmit |
| Pino 42 | CAN_RX — CAN receive |
| Pino 43 | VDDA — ADC supply |
| Pino 44 | VSSA — ADC ground |
| Pino 45 | VREFH — ADC reference high |
| Pino 46 | VREFL — ADC reference low |
| Pino 47 | PTA0 — Port A bit 0 |
| Pino 48 | PTA1 — Port A bit 1 |
| Pino 49 | PTA2 — Port A bit 2 |
| Pino 50 | PTA3 — Port A bit 3 |
| Pino 51 | PTA4 — Port A bit 4 |
| Pino 52 | PTA5 — Port A bit 5 |
| Pino 53 | PTA6 — Port A bit 6 |
| Pino 54 | PTA7 — Port A bit 7 |
| Pino 55 | PTB0 — Port B bit 0 |
| Pino 56 | PTB1 — Port B bit 1 |
| Pino 57 | PTB2 — Port B bit 2 |
| Pino 58 | PTB3 — Port B bit 3 |
| Pino 59 | PTB4 — Port B bit 4 |
| Pino 60 | PTB5 — Port B bit 5 |
| Pino 61 | PTB6 — Port B bit 6 |
| Pino 62 | PTB7 — Port B bit 7 |
| Pino 63 | PTC0 — Port C bit 0 |
| Pino 64 | PTC1 — Port C bit 1 |
| Pino 65 | PTC2 — Port C bit 2 |
| Pino 66 | PTC3 — Port C bit 3 |
| Pino 67 | PTC4 — Port C bit 4 |
| Pino 68 | PTC5 — Port C bit 5 |
| Pino 69 | PTC6 — Port C bit 6 |
| Pino 70 | PTC7 — Port C bit 7 |
| Pino 71 | PTD0 — Port D bit 0 |
| Pino 72 | PTD1 — Port D bit 1 |
| Pino 73 | PTD2 — Port D bit 2 |
| Pino 74 | PTD3 — Port D bit 3 |
| Pino 75 | PTD4 — Port D bit 4 |
| Pino 76 | PTD5 — Port D bit 5 |
| Pino 77 | PTD6 — Port D bit 6 |
| Pino 78 | PTD7 — Port D bit 7 |
| Pino 79 | RESET — Reset input (active low) |
| Pino 80 | EXTAL/XOSC — External clock/crystal oscillator input |
Aplicações típicas
MCF51JM32EVLK é adequado para 6 aplicaçãos: USB Human Interface Devices (HID), CAN-Based Industrial Nodes, USB-to-UART Bridge Dongles, Point-of-Sale Terminals, Medical Monitoring Devices, Firmware Upgrade Dongles.
USB Human Interface Devices (HID)
The MCF51JM32EVLK's integrated USB OTG controller with on-chip transceiver makes it ideal for HID peripherals like keyboards, mice, and game controllers. Its 50 MHz ColdFire V1 core delivers 50 MIPS - enough headroom for HID class drivers, debouncing, and LED animation while leaving Flash budget for vendor-specific extensions. The 32KB Flash fits a typical USB HID stack with composite device support, while 16KB SRAM handles HID report buffers and protocol state. Place a 90-ohm differential DP/DM pair with a common-mode choke near the connector to meet USB 2.0 FS compliance; the internal 1.5 kohm pull-up on D+ enables bus-powered enumeration without external components.
Recomendado
CAN-Based Industrial Nodes
The MCF51JM32EVLK integrates a CAN 2.0A/B-compliant controller with hardware acceptance filtering, ideal for industrial nodes like sensor aggregators and motor controllers on a CANopen or DeviceNet bus. Its 66 GPIO and 6 PWM channels can drive multiple actuators and read quadrature encoders without external logic. The 32KB Flash accommodates CANopen CiA 401/402 profiles for I/O modules; 16KB SRAM is sufficient for CAN transmit/receive buffers and process data objects. Use the on-chip SCI to bridge CAN to RS-485 for legacy systems, or pair with an external CAN transceiver like the TJA1050 for 1 Mbps industrial networks.
Recomendado
USB-to-UART Bridge Dongles
The MCF51JM32EVLK's USB OTG and SCI (UART) peripherals make it a natural fit for USB-to-UART bridge dongles, replacing FTDI FT232 with a programmable NXP solution. The CDC class driver fits comfortably in 32KB Flash, and the on-chip USB transceiver eliminates the external PHY required by discrete bridges. Typical use cases include industrial debug ports, microcontroller firmware upgrade cables, and isolated serial converters. Configure the SCI at 3 Mbps to bridge high-speed UARTs while the USB handles enumeration and suspend/resume with bus-powered operation from VBUS.
Recomendado
Point-of-Sale Terminals
The MCF51JM32EVLK is well-suited for entry-level point-of-sale terminals requiring USB connectivity (for barcode scanners or receipt printers) alongside secure keypad and display interfaces. Its 50 MHz ColdFire V1 core can drive character LCDs and 4x4 keypads while servicing USB interrupt endpoints in real time. The integrated CAN controller supports POS networking to back-office terminals, and the 6 PWM channels can drive buzzer tones for transaction feedback. With 32KB Flash, the part runs a lightweight RTOS or cooperative scheduler handling USB HID + CDC + keypad scanning tasks simultaneously.
Recomendado
Medical Monitoring Devices
The MCF51JM32EVLK suits portable medical monitoring devices that require USB for data upload to a PC (HID or MSD class) plus precision analog measurement. Its 12-bit ADC with 8 channels supports sensor acquisition (temperature, pulse oximetry, or weight sensors) at typical sample rates of 1 kSPS, while the USB OTG transfers patient logs to clinician workstations. The 32KB Flash fits a small embedded OS or state-machine firmware with safety checks, and 16KB SRAM buffers waveform data during USB transfers. The 2.7V-5.5V supply range allows direct battery or USB bus power with no additional regulators.
Recomendado
Firmware Upgrade Dongles
The MCF51JM32EVLK is a strong choice for USB mass storage or HID-based firmware upgrade dongles, where it acts as the bridge between a host PC and a target board's SPI, I2C, or SCI bootloader. The 32KB Flash holds a USB MSD bootloader plus the target communication protocol stack, while the SPI peripheral can directly drive target flash memories at up to half the system clock. Power is supplied entirely from USB VBUS (5V), and the on-chip regulator generates 1.8V for the core, allowing bus-powered operation without external LDOs. Typical throughput reaches 200-300 KB/s for typical SPI flash programming operations.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MCF51JM32EVLK — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MCF51JM64VLK | MCF51JM128VLK | MCF51JM32VFM |
|---|---|---|---|---|
| Package | 80-LQFP (14x14) | 80-LQFP (14x14) - same | 80-LQFP (14x14) - same | 64-QFP - different |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V1, 50 MHz | ColdFire V1, 50 MHz - same | ColdFire V1, 50 MHz - same | ColdFire V1, 50 MHz - same |
| Flash | 32 KB | 64 KB (+100%) | 128 KB (+300%) | 32 KB - same |
| RAM | 16 KB | 16 KB - same | 16 KB - same | 16 KB - same |
| USB OTG | Yes (on-chip transceiver) | Yes (on-chip transceiver) | Yes (on-chip transceiver) | Yes (on-chip transceiver) |
| CAN | Yes (1 controller) | Yes (1 controller) | Yes (1 controller) | Yes (1 controller) |
| GPIO | 66 | 66 - same | 66 - same | 44 (smaller package) |
| Lifecycle | NRND | NRND | Active | NRND |
Principais diferenciais
- Integrated USB OTG with on-chip transceiver eliminates external PHY (vs MCF51JM32VFM)
- ColdFire V1 core with hardware MAC and BDM debug (vs MCF51JM128VLK)
- Single-chip CAN + USB OTG combination unique in ColdFire V1 family (vs Cross-brand PIC18F4550)
Notas de projeto
Route USB DP/DM as a 90-ohm differential pair with trace length matching within 150 mil. Place a common-mode choke (e.g., ACM2012) within 5 mm of the USB connector, and keep the pair away from switching signals and clocks. Use a ground guard ring around the pair for USB 2.0 FS compliance and EMI margin.
Decouple VDD with a 1uF ceramic + 100nF ceramic pair within 3 mm of the pin. Place a 4.7uF tantalum or ceramic on VDDA to reduce ADC reference noise, and a separate 1uF on USB_VDDA to isolate USB PLL supply. The internal 1.8V regulator on VDDINT requires at least a 1uF low-ESR capacitor; otherwise USB operation may fail at edge temperatures.
Do not exceed 50 MHz bus clock - peripheral timing margins shrink at higher frequencies. The USB_DM/USB_DP pins are 3.3V-only; do not pull them to 5V. The CAN_TX output is TTL-level, requiring an external CAN transceiver (e.g., TJA1050) for actual bus connection - direct CAN bus connection will damage the part.
Informações de conformidade
RoHS and lead-free per NXP product documentation. Not AEC-Q100 qualified - not recommended for automotive safety-critical designs. For automotive, contact NXP about Kinetis automotive equivalents.
