MCF51JM32EVLH - ColdFire V1 32KB Flash MCU 64-LQFP | NXP
MPN: MCF51JM32EVLH ✗ סוף ייצורMCF51JM32EVLH סקירה
A microcontroller (MCU) is a single-chip computer that contains a processor core, program and data memory, and programmable I/O peripherals. The ColdFire V1 core is a 32-bit variable-length RISC architecture derived from the original 68000 instruction set, optimized for embedded control. Within the broader taxonomy, the MCF51JM32EVLH sits as: microcontroller -> 32-bit MCU -> ColdFire V1 MCU -> USB-enabled MCU -> industrial control MCU. This ultra-low-power heritage makes it well suited for cost-sensitive industrial and consumer designs that need USB connectivity without a dedicated PHY.
Key features include 32KB of on-chip Flash program memory, 16KB of SRAM, 51 general-purpose I/O pins, and an integrated USB On-The-Go (OTG) full-speed controller with on-chip transceiver - eliminating the need for an external USB PHY. Communication peripherals include one CAN module, I2C, SCI (UART), and SPI. The device also integrates a low-voltage detect (LVD) circuit, PWM timers, and a watchdog timer for robust operation in noisy industrial environments.
The ColdFire V1 core uses a 2-stage pipeline and VBR (vector base register) interrupt structure that simplifies deterministic real-time response. The integrated USB OTG controller supports host, device, and On-The-Go roles, with dedicated DMA channels that offload packet handling from the core. The 64-LQFP (10x10 mm) package exposes all peripherals with no internal multiplexing conflicts, supporting JTAG/BDM debug.
Typical applications include USB HID peripherals, industrial CAN-to-USB bridges, point-of-sale terminals, USB barcode scanners, low-cost human-interface devices, and embedded data loggers. The combination of USB OTG and CAN is rare at this price point, making the part attractive for industrial gateways.
When designing with this device, allocate a 1.5kB USB stack in Flash and reserve the dedicated USB VBUS/VREG pins for proper OTG operation. The part is no longer recommended for new designs (NRND) - check NXP lifecycle notices before committing to long-production designs.
חלופות תחליף ישיר עבור MCF51JM32EVLH — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MCF51JM32EVLH (אותו גורם צורה וטביעת רגל) — שונים ב Package, Series.
MCF51JM32VLH
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MCF51JM128VLH
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MCF51JM64VLH
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF51JM128EVLH
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF51AC256ACLKE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MCF51JM32EVLH דירוגים מרביים ומאפיינים חשמליים
| Core Processor | ColdFire V1 |
| Core Size | 32-Bit |
| Maximum Clock Speed | 50 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 16 KB |
| Number of I/O Pins | 51 |
| Connectivity | CANbus, I2C, SCI (UART), SPI, USB OTG |
| Peripherals | LVD, PWM, WDT |
| Oscillator Type | External |
| מארז | 64-LQFP (10x10 mm) |
| סוג הרכבה | Surface Mount |
| Packaging | Tray |
| USB Transceiver | Integrated (full-speed OTG, no external PHY) |
| Debug Interface | JTAG/BDM |
| סטטוס RoHS | Compliant |
תצורת פינים של MCF51JM32EVLH
| פין 1 | PTC0 — General-purpose I/O / TPM1 channel 0 |
| פין 2 | PTC1 — General-purpose I/O / TPM1 channel 1 |
| פין 3 | PTC2 — General-purpose I/O / TPM1 channel 2 |
| פין 4 | PTC3 — General-purpose I/O / TPM1 channel 3 |
| פין 5 | PTC4 — General-purpose I/O / TPM2 channel 0 |
| פין 6 | PTC5 — General-purpose I/O / TPM2 channel 1 |
| פין 7 | PTC6 — General-purpose I/O / TPM2 channel 2 |
| פין 8 | PTC7 — General-purpose I/O / TPM2 channel 3 |
| פין 9 | VSS — Ground |
| פין 10 | VDD — Supply voltage (core and I/O) |
| פין 11 | PTB0 — General-purpose I/O |
| פין 12 | PTB1 — General-purpose I/O |
| פין 13 | PTB2 — General-purpose I/O |
| פין 14 | PTB3 — General-purpose I/O |
| פין 15 | VSS — Ground |
| פין 16 | PTA0 — General-purpose I/O / SCI1 RX |
| פין 17 | PTA1 — General-purpose I/O / SCI1 TX |
| פין 18 | PTA2 — General-purpose I/O / SCL |
| פין 19 | PTA3 — General-purpose I/O / SDA |
| פין 20 | PTA4 — General-purpose I/O |
| פין 21 | PTA5 — General-purpose I/O |
| פין 22 | PTA6 — General-purpose I/O |
| פין 23 | PTA7 — General-purpose I/O / wakeup |
| פין 24 | BKGD — Background debug mode |
| פין 25 | RESET — External reset input, active-low |
| פין 26 | PTA8 — General-purpose I/O |
| פין 27 | VDD — Supply voltage |
| פין 28 | PTD0 — General-purpose I/O |
| פין 29 | PTD1 — General-purpose I/O |
| פין 30 | PTD2 — General-purpose I/O |
| פין 31 | PTD3 — General-purpose I/O |
| פין 32 | PTD4 — General-purpose I/O |
| פין 33 | PTD5 — General-purpose I/O |
| פין 34 | PTD6 — General-purpose I/O |
| פין 35 | PTD7 — General-purpose I/O |
| פין 36 | PTE0 — General-purpose I/O / CAN TX |
| פין 37 | PTE1 — General-purpose I/O / CAN RX |
| פין 38 | PTE2 — General-purpose I/O |
| פין 39 | PTE3 — General-purpose I/O |
| פין 40 | PTE4 — General-purpose I/O |
| פין 41 | PTE5 — General-purpose I/O / PWM |
| פין 42 | PTE6 — General-purpose I/O / PWM |
| פין 43 | PTE7 — General-purpose I/O |
| פין 44 | VSS — Ground |
| פין 45 | VDD — Supply voltage |
| פין 46 | USB_VBUS — USB VBUS detect input |
| פין 47 | USB_DP — USB D+ data line |
| פין 48 | USB_DM — USB D- data line |
| פין 49 | USB_VDD — USB internal regulator output (3.3 V) |
| פין 50 | VREGIN — USB regulator input (5 V from VBUS) |
| פין 51 | XTAL1 — External crystal / clock input |
| פין 52 | XTAL2 — External crystal output |
| פין 53 | PTA9 — General-purpose I/O |
| פין 54 | PTA10 — General-purpose I/O |
| פין 55 | PTA11 — General-purpose I/O |
| פין 56 | PTA12 — General-purpose I/O |
| פין 57 | PTA13 — General-purpose I/O |
| פין 58 | PTA14 — General-purpose I/O |
| פין 59 | PTA15 — General-purpose I/O |
| פין 60 | VSS — Ground |
| פין 61 | TCLK — Timer clock input / PWM |
| פין 62 | PTF0 — General-purpose I/O |
| פין 63 | PTF1 — General-purpose I/O |
| פין 64 | VDD — Supply voltage |
יישומים טיפוסיים
MCF51JM32EVLH מתאים עבור 6 יישוםs: USB HID Peripherals, Industrial CAN-to-USB Bridges, Point-of-Sale (POS) Terminals, Low-Cost USB Data Loggers, Embedded USB Barcode Scanners, Industrial USB Sensor Hubs.
USB HID Peripherals
The MCF51JM32EVLH's integrated USB OTG full-speed controller with on-chip transceiver makes it ideal for USB HID-class peripherals such as keyboards, mice, and custom I/O panels. The ColdFire V1 core handles HID descriptors, button scanning, and LED reporting at 50 MHz without an external PHY, reducing BOM cost. With 32 KB Flash it fits typical HID stacks, and 16 KB RAM provides ample buffer space for endpoint data. Compared to discrete USB solutions, it eliminates the need for an external 1.5 kB pull-up and PHY crystal - the on-chip transceiver handles USB signaling directly.
מומלץ
Industrial CAN-to-USB Bridges
The combined CAN 2.0B and USB OTG integration of the MCF51JM32EVLH is rare at this price point, making it well suited for industrial CAN-to-USB gateways and CAN spy tools. The 50 MHz ColdFire V1 core handles CAN frame timestamping, USB CDC/ECM framing, and protocol conversion in real time. With 51 GPIO and ample timers, engineers can implement status LEDs, isolation routing, and physical-layer select signals. The 64-LQFP package exposes all peripherals, simplifying PCB routing for industrial enclosures that need both CAN bus and USB host connectivity on a single board.
מומלץ
Point-of-Sale (POS) Terminals
The MCF51JM32EVLH's USB OTG and SCI (UART) peripherals fit point-of-sale terminals that need USB barcode readers, magnetic-stripe readers, and serial printer interfaces. The 32 KB Flash accommodates custom POS application logic, while USB host mode supports peripherals and USB device mode connects to PC/POS management systems. The 16 KB RAM provides buffer space for transaction records and keyboard input. The industrial-grade operating range and 50 MHz core ensure quick response for barcode scan decoding and thermal printer control in retail checkout lanes.
מומלץ
Low-Cost USB Data Loggers
The MCF51JM32EVLH serves as the CPU in low-cost USB data loggers that record analog signals, switch events, or sensor data and upload via USB Mass Storage or CDC class. The integrated USB device controller streams data directly to PC applications, eliminating host-side tool costs. With 16 KB RAM, the buffer depth handles several minutes of high-rate logging before flushing to SD card. The LVD circuit protects Flash memory during brownout, while the watchdog timer recovers from firmware lockups in unattended deployments.
מומלץ
Embedded USB Barcode Scanners
The MCF51JM32EVLH's USB device and host modes allow it to drive handheld barcode scanners that read barcodes from CCD sensors and transmit data to a host as USB HID or virtual COM port. The 50 MHz core decodes Code 128, QR, and DataMatrix streams in real time, while USB HID avoids driver installation on Windows, macOS, and Linux. The 51 GPIO supports LCD feedback, beeper, vibration motor, and trigger switch. The 64-LQFP package and BDM debug interface make firmware development and field reprogramming straightforward.
מומלץ
Industrial USB Sensor Hubs
The MCF51JM32EVLH integrates USB hub-host capability with I2C/SPI sensor interfacing, making it suitable for industrial multi-sensor USB hubs that aggregate environmental, motion, or process data. The ColdFire V1 core at 50 MHz polls I2C/SPI sensors and publishes aggregated readings over USB CDC or vendor-class protocols. CAN connectivity allows bridging to industrial CAN networks. The PWM outputs drive indicator LEDs and buzzer alarms, while the LVD protects against brownout in factory environments with unstable 24V rails.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MCF51JM32EVLH — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | MCF51JM32VLH | MCF51JM128VLH | MCF51JM64VLH | MCF51JM128EVLH | MCF51AC256ACLKE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 80-LQFP - different footprint |
| Core Processor | ColdFire V1 | ColdFire V1 | ColdFire V1 | ColdFire V1 | ColdFire V1 | ColdFire V1 |
| Maximum Clock Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Program Memory (Flash) | 32 KB | 32 KB | 128 KB | 64 KB | 128 KB | 256 KB |
| RAM Size | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB |
| Number of I/O Pins | 51 | 51 | 51 | 51 | 51 | 70 |
| Connectivity | CAN, I2C, SCI, SPI, USB OTG | CAN, I2C, SCI, SPI, USB OTG | CAN, I2C, SCI, SPI, USB OTG | CAN, I2C, SCI, SPI, USB OTG | CAN, I2C, SCI, SPI, USB OTG | CAN, I2C, SCI, SPI, USB OTG |
מבדילים עיקריים
- Same-family upgrade path within 64-LQFP footprint (לעומתMCF51JM32VLH)
- Integrated USB OTG full-speed transceiver eliminates external PHY (לעומתGeneric 32-bit MCU without integrated USB PHY)
- Rare combination of CAN 2.0B and USB OTG on a 32-bit MCU at sub-$6 price (לעומתPIC32MX170F256B)
הערות תכנון
The MCF51JM32EVLH integrates a 3.3V USB regulator (USB_VDD) powered from VREGIN (5V VBUS). Decouple VREGIN with a 4.7uF ceramic and VDD pins with 100nF + 4.7uF bulk caps. The on-chip LVD protects Flash during brownout - configure LVDRE (LVD reset enable) in SOPT1 for reliable cold-start behavior in industrial 24V rail systems that experience voltage sags.
Route the USB DP/DM traces as a 90-ohm differential pair matched within 10 mil tolerance, and keep them clear of the XTAL traces to avoid coupling noise. Place the 27pF USB load capacitors close to the device on DP/DM lines. For EMC, add a common-mode choke on VBUS for industrial applications.
Do not exceed the absolute maximum VDD rating. The 16 KB RAM has USB endpoint buffer overlays that reduce available memory when USB is enabled - reserve at least 1.5 KB for endpoint FIFOs. The BDM/BKGD pin is required for in-circuit programming - never tie to VDD or leave floating during reset. The OSC_RANGE bit must be configured for the actual external crystal load capacitance to achieve reliable USB SOF timing.
מידע על תאימות
RoHS compliant per NXP product page. Not AEC-Q100 qualified - for automotive applications choose AEC-Q100 qualified Kinetis products. The MCF51JM family has reached NRND status per NXP lifecycle notices.