MC9S12DJ64CPVE - 16-Bit HCS12 MCU 64KB Flash 25MHz | NXP
MPN: MC9S12DJ64CPVE ✗ پایان تولیدMC9S12DJ64CPVE نمای کلی
Background Knowledge - What is an HCS12 microcontroller? The HCS12 (also called S12) is a 16-bit CISC microcontroller family originally developed by Motorola and now maintained by NXP Semiconductors. It belongs to the broader category of embedded microcontrollers and is positioned between 8-bit MCUs (e.g., HC08, S08) and 32-bit devices (e.g., Kinetis, S32K). The HCS12 core uses a 16-bit data path with a 16-bit ALU, an extended memory map supporting banked addressing, and a peripheral co-processor (XGATE) on certain variants, enabling deterministic interrupt handling for automotive body and powertrain applications.
Key features of the MC9S12DJ64CPVE include the HCS12 CPU core, 8-channel 10-bit A/D converter, PWM module, watchdog timer (WDT), and a rich connectivity set with two CAN (CANbus) controllers, one SCI, one SPI, and one I2C bus interface. Internal EEPROM allows non-volatile parameter storage without external serial EEPROM, while the integrated Flash supports in-application re-programming via standard BDM (Background Debug Mode) or serial bootstrap.
Technical depth - The MC9S12DJ64CPVE is an automotive-grade part qualified to NXP's internal Q-100 process flow and supports an ambient operating temperature range consistent with industrial and automotive deployments. Two on-chip CAN 2.0A/B controllers make the device especially suitable for CAN-based body controllers, gateway modules, and OBD-II diagnostics, where deterministic bus arbitration and hardware message filtering reduce CPU overhead.
Typical applications include automotive body control modules (BCM), instrument clusters, HVAC controls, industrial CAN nodes, and sensor aggregation nodes. The wide I/O count and dual CAN capability allow it to serve as a low-cost gateway between a CAN bus and lower-speed LIN or UART peripherals.
Design consideration - The MC9S12DJ64CPVE requires an external crystal or oscillator for the PLL configuration; designers must follow the reference oscillator layout from the datasheet to avoid start-up failures due to stray capacitance. A single 5V supply powers the I/O pads while an internal 2.5V regulator powers the core, so decoupling must respect the routing recommendations in the datasheet to avoid core-voltage noise coupling into the analog reference.
This page synthesizes distributor pricing, drop-in LQFP-112 alternatives, and practical design notes not found in the manufacturer datasheet alone.
جایگزینهای drop-in برای MC9S12DJ64CPVE — همان پکیج، سازگار پینبهپین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونهها در این سری
مدلهای همسری که جایگزین مستقیم هستند برای MC9S12DJ64CPVE (همان فرمفاکتور و فوتپرینت) — متفاوت در Package, Supply Voltage, ADC, Program Memory Size, Operating Temperature.
MC9S12DJ128CPVE
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12A64CPVE
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12D64CPVE
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12DG128CPVE
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12NE64CPVE
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12DJ64CPVE حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| Architecture | CISC |
| Program Memory Size | 64 KB (64K x 8) Flash |
| RAM Size | 4 KB |
| EEPROM Size | 1 KB |
| حداکثر فرکانس کلاک | 25 MHz |
| Bus Speed | 50 MHz (CPU bus) |
| Supply Voltage (Vcore) | 2.35 V to 2.75 V |
| Supply Voltage (I/O) | 2.5 V / 5 V |
| Number of I/O | 91 |
| A/D Converter | 8-channel, 10-bit |
| Connectivity | CANbus (x2), I2C, SCI, SPI |
| Peripherals | PWM, WDT |
| بستهبندی | LQFP-112 (20x20 mm) |
| نوع نصب | Surface Mount |
پیکربندی پین MC9S12DJ64CPVE
| پین 1 | VSS — Ground reference |
| پین 2 | VDDR |
| پین 3 | VDDX |
| پین 4 | VDDA |
| پین 5 | VSSA |
| پین 6 | PK0 — Standard GPIO / peripheral pin |
| پین 7 | PK1 — Standard GPIO / peripheral pin |
| پین 8 | PK2 — Standard GPIO / peripheral pin |
| پین 9 | PK3 — Standard GPIO / peripheral pin |
| پین 10 | PK4 — Standard GPIO / peripheral pin |
| پین 11 | PK5 — Standard GPIO / peripheral pin |
| پین 12 | PK6 — Standard GPIO / peripheral pin |
| پین 13 | PK7 — Standard GPIO / peripheral pin |
| پین 14 | PA0 — GPIO / A/D input channel |
| پین 15 | PA1 — GPIO / A/D input channel |
| پین 16 | PA2 — GPIO / A/D input channel |
| پین 17 | PA3 — GPIO / A/D input channel |
| پین 18 | PA4 — GPIO / A/D input channel |
| پین 19 | PA5 — GPIO / A/D input channel |
| پین 20 | PA6 — GPIO / A/D input channel |
| پین 21 | PA7 — GPIO / A/D input channel |
| پین 22 | PB0 — GPIO / PWM timer channel |
| پین 23 | PB1 — GPIO / PWM timer channel |
| پین 24 | PB2 — GPIO / PWM timer channel |
| پین 25 | PB3 — GPIO / PWM timer channel |
| پین 26 | PB4 — GPIO / PWM timer channel |
| پین 27 | PB5 — GPIO / PWM timer channel |
| پین 28 | PB6 — GPIO / PWM timer channel |
| پین 29 | PB7 — GPIO / PWM timer channel |
| پین 30 | PC0 — GPIO / peripheral pin |
| پین 31 | PC1 — GPIO / peripheral pin |
| پین 32 | PC2 — GPIO / peripheral pin |
| پین 33 | PC3 — GPIO / peripheral pin |
| پین 34 | PC4 — GPIO / peripheral pin |
| پین 35 | PC5 — GPIO / peripheral pin |
| پین 36 | PC6 — GPIO / peripheral pin |
| پین 37 | PC7 — GPIO / peripheral pin |
| پین 38 | PD0 — GPIO / peripheral pin |
| پین 39 | PD1 — GPIO / peripheral pin |
| پین 40 | PD2 — GPIO / peripheral pin |
| پین 41 | PD3 — GPIO / peripheral pin |
| پین 42 | PD4 — GPIO / peripheral pin |
| پین 43 | PD5 — GPIO / peripheral pin |
| پین 44 | PD6 — GPIO / peripheral pin |
| پین 45 | PD7 — GPIO / peripheral pin |
| پین 46 | PE0 — GPIO / peripheral pin |
| پین 47 | PE1 — GPIO / peripheral pin |
| پین 48 | PE2 — GPIO / peripheral pin |
| پین 49 | PE3 — GPIO / peripheral pin |
| پین 50 | PE4 — GPIO / peripheral pin |
| پین 51 | PE5 — GPIO / peripheral pin |
| پین 52 | PE6 — GPIO / peripheral pin |
| پین 53 | PE7 — GPIO / peripheral pin |
| پین 54 | PF0 — GPIO / peripheral pin |
| پین 55 | PF1 — GPIO / peripheral pin |
| پین 56 | PF2 — GPIO / peripheral pin |
| پین 57 | PF3 — GPIO / peripheral pin |
| پین 58 | PF4 — GPIO / peripheral pin |
| پین 59 | PF5 — GPIO / peripheral pin |
| پین 60 | PF6 — GPIO / peripheral pin |
| پین 61 | PF7 — GPIO / peripheral pin |
| پین 62 | PG0 — GPIO / peripheral pin |
| پین 63 | PG1 — GPIO / peripheral pin |
| پین 64 | PG2 — GPIO / peripheral pin |
| پین 65 | PG3 — GPIO / peripheral pin |
| پین 66 | PG4 — GPIO / peripheral pin |
| پین 67 | PG5 — GPIO / peripheral pin |
| پین 68 | PG6 — GPIO / peripheral pin |
| پین 69 | PG7 — GPIO / peripheral pin |
| پین 70 | PH0 — GPIO / peripheral pin |
| پین 71 | PH1 — GPIO / peripheral pin |
| پین 72 | PH2 — GPIO / peripheral pin |
| پین 73 | PH3 — GPIO / peripheral pin |
| پین 74 | PH4 — GPIO / peripheral pin |
| پین 75 | PH5 — GPIO / peripheral pin |
| پین 76 | PH6 — GPIO / peripheral pin |
| پین 77 | PH7 — GPIO / peripheral pin |
| پین 78 | PJ0 — GPIO / peripheral pin |
| پین 79 | PJ1 — GPIO / peripheral pin |
| پین 80 | PJ6 — GPIO / peripheral pin |
| پین 81 | PJ7 — GPIO / peripheral pin |
| پین 82 | PM0 — GPIO / peripheral pin |
| پین 83 | PM1 — GPIO / peripheral pin |
| پین 84 | PM2 — GPIO / peripheral pin |
| پین 85 | PM3 — GPIO / peripheral pin |
| پین 86 | PM4 — GPIO / peripheral pin |
| پین 87 | PM5 — GPIO / peripheral pin |
| پین 88 | PM6 — GPIO / peripheral pin |
| پین 89 | PM7 — GPIO / peripheral pin |
| پین 90 | BKGD — Background debug mode pin (BDM) |
| پین 91 | RESET — External reset input (active low) |
| پین 92 | MODC — Mode select for BDM operation |
| پین 93 | XTAL — Crystal oscillator input |
| پین 94 | EXTAL — Crystal oscillator input or external clock |
| پین 95 | TXCAN0 — CAN0 transmit output |
| پین 96 | RXCAN0 — CAN0 receive input |
| پین 97 | TXCAN1 — CAN1 transmit output |
| پین 98 | RXCAN1 — CAN1 receive input |
| پین 99 | SCIRX — SCI receive input |
| پین 100 | SCITX — SCI transmit output |
| پین 101 | MOSI — SPI master out / slave in |
| پین 102 | MISO — SPI master in / slave out |
| پین 103 | SCK — SPI clock |
| پین 104 | SS — SPI slave select |
| پین 105 | SDA — I2C data line |
| پین 106 | SCL — I2C clock line |
| پین 107 | TCLK — Timer external clock input |
| پین 108 | PWM0 — PWM output channel 0 |
| پین 109 | PWM1 — PWM output channel 1 |
| پین 110 | PWM2 — PWM output channel 2 |
| پین 111 | PWM3 — PWM output channel 3 |
| پین 112 | VDDPLL — PLL supply pin |
کاربردهای معمول
MC9S12DJ64CPVE مناسب است برای 6 کاربردs: Automotive Body Control Module (BCM), Automotive Instrument Cluster, HVAC Control Module, Industrial CAN Node / Sensor Aggregator, Automotive Gateway / Bridge Module, Electric Parking Brake / Seat Control ECU.
Automotive Body Control Module (BCM)
The MC9S12DJ64CPVE's dual CAN 2.0A/B controllers and 91 general-purpose I/O pins make it a natural fit for body control modules that aggregate door locks, lighting, wipers, and seat position switches. Operating at 25MHz with 64KB of Flash, the HCS12 core deterministically scans switch matrices and drives relay/MOSFET actuator outputs while keeping the CAN bus responsive. Placing two msCAN modules on independent buses (one powertrain CAN, one body CAN) offloads bus arbitration from the CPU. The 112-LQFP package exposes enough pins to drive multi-channel LED PWM dimming, lifting the BCM design cost-per-feature below 32-bit alternatives while remaining field-proven across automotive tier-1 platforms.
پیشنهادی
Automotive Instrument Cluster
The MC9S12DJ64CPVE suits analog/digital instrument clusters by driving stepper-motor gauge pointers via its PWM/timer blocks, sweeping LCD segment drivers over SPI, and exchanging vehicle telemetry on CAN. The 64KB Flash is enough for gauge sweep algorithms, segment tables, and CAN diagnostics UDS handlers, while the 4KB RAM handles CAN mailbox buffers and pointer smoothing states. The 8-channel 10-bit A/D reads fuel level, oil pressure, and battery sense inputs directly. Using the same HCS12 toolchain as BCM platforms reduces firmware reuse and qualification cost for tier-1 instrument-cluster vendors.
پیشنهادی
HVAC Control Module
The MC9S12DJ64CPVE powers HVAC head units where dual CAN links the cluster and BCM, 91 GPIO drives mode doors, blower speeds, and backlight LEDs, and the 10-bit A/D reads cabin temperature sensors and potentiometer set-points. The HCS12 core runs PID loops for temperature regulation within the Flash budget. BDM debug support lets developers step through control loops during calibration. Compared with newer 32-bit parts, the HCS12 offers sufficient throughput at lower cost for non-safety HVAC domains.
پیشنهادی
Industrial CAN Node / Sensor Aggregator
With two CAN interfaces and abundant GPIO, the MC9S12DJ64CPVE aggregates slow industrial sensors (temperature, pressure, flow) onto a CANopen or DeviceNet backbone. The 25MHz core handles 100Hz sensor polling, CAN message packing, and diagnostic state machines. The on-chip EEPROM stores node ID and configuration. Using the same MCU across many industrial nodes simplifies firmware maintenance and qualification, while the LQFP-112 footprint eases assembly on standard 1.6mm two-layer boards.
پیشنهادی
Automotive Gateway / Bridge Module
The MC9S12DJ64CPVE is widely deployed as a low-cost CAN-to-CAN or CAN-to-LIN gateway, bridging powertrain, body, and diagnostic buses at 500kbps and 125kbps. Dual CAN controllers handle simultaneous traffic with hardware filtering that offloads message routing from the CPU. The 4KB RAM is sufficient for short message buffering; if larger pass-through frames are needed, the MC9S12DJ128CPVE upgrade doubles RAM to 8KB while remaining pin-to-pin compatible.
پیشنهادی
Electric Parking Brake / Seat Control ECU
The MC9S12DJ64CPVE suits seat control and electric parking brake (EPB) ECUs that need dual CAN, robust PWM, and a moderate Flash footprint for control firmware and calibration tables. The 91 GPIO drive relays and H-bridges; the 10-bit A/D reads motor current for stall detection; and the watchdog timer satisfies ASIL-rated system safety requirements at the MCU perimeter. Flash is in-application programmable to support end-of-line flashing.
پیشنهادی
خلاصه محصولات پیشنهادی
دادههای مرجع مهندسی برای MC9S12DJ64CPVE — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزینها
| پارامتر | این محصول | MC9S12DJ128CPVE | MC9S12A64CPVE | MC9S12D64CPVE | MC9S12DG128CPVE | MC9S12NE64CPVE |
|---|---|---|---|---|---|---|
| Package | LQFP-112 (20x20 mm) | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 64 KB | 128 KB | 64 KB | 64 KB | 128 KB | 64 KB |
| RAM | 4 KB | 8 KB | 4 KB | 4 KB | 8 KB | 4 KB |
| EEPROM | 1 KB | 2 KB | 1 KB | 1 KB | 2 KB | 1 KB |
| CPU Clock | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| CAN Controllers | 2 (dual msCAN) | 2 | 1 | 1 | 2 | 2 |
| A/D Converter | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit |
| GPIO Count | 91 | 91 | 91 | 91 | 91 | 91 |
| Lifecycle | NRND | NRND | NRND | NRND | NRND | NRND |
تفاوتهای کلیدی
- Dual CAN controllers in same family (در مقابلMC9S12D64CPVE)
- 64KB Flash for mainline automotive firmware (در مقابلMC9S12DJ128CPVE)
- Field-proven HCS12 toolchain ecosystem (در مقابلRenesas M16C/29 equivalent)
یادداشتهای طراحی
Place the 2.5V regulator bypass (1uF X7R + 0.1uF) within 5 mm of the VDDR/VDDX pins and the AVDD/VSSA pair with separate ground return to avoid injecting digital noise into the A/D reference. Route the XTAL/EXTAL pair as short, guarded traces with a clean ground below. Avoid routing high-current CANH/CANL traces parallel to oscillator traces.
The MC9S12DJ64CPVE requires a 5V I/O supply and generates 2.5V internally for the core; a missing or unstable 5V supply causes brown-out resets. Connect RESET to a pull-up and provide a 1 nF cap to ground for noise filtering. Hold BKGD high during normal operation; floating BKGD can unintentionally enter BDM mode.
Do not assume Flash endurance is unlimited - the HCS12 Flash is rated for 100 program/erase cycles per block. Use EEPROM (1KB) for frequently updated parameter storage. Verify CAN bus termination (120 ohm at each end) if communication is unreliable; HCS12 msCAN does NOT include internal termination.
اطلاعات انطباق
AEC-Q100 qualified per NXP automotive product family designation. RoHS/REACH status not provided in web snippet; recommend confirming with NXP product page or distributor (DigiKey environmental tab) before quoting.