MC9S12DJ64MPVE - HCS12 16-Bit 64KB Flash MCU 112-LQFP | NXP
MPN: MC9S12DJ64MPVE ✓ نشطMC9S12DJ64MPVE نظرة عامة
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, data EEPROM, and a rich set of peripherals into one IC. The HCS12 core is a CISC 16-bit architecture from Motorola/Freescale/NXP targeting automotive and industrial embedded control. Within the broader taxonomy, MCUs sit below microprocessors in capability but above simple logic ICs in complexity; the HCS12 line specifically evolved from the HC11 and is one of the ancestors of today's S12 MagniV analog-integrated derivatives. Its place in the power-and-I/O-dense automotive ECU market explains why MC9S12 parts remain in long production cycles.
Key features of the MC9S12DJ64MPVE include 91 general-purpose I/O lines, an internal oscillator, a watchdog timer, an 8-channel 10-bit ADC, and supply operation from 2.5V core / 5V I/O. The device supports Background Debug Mode (BDM) for in-circuit programming and debugging. Its single 5V supply with on-chip voltage regulator simplifies board design compared to parts requiring separate core and I/O rails.
The architecture uses a 16-bit HCS12 CPU core with enhanced indexed addressing, a hardware multiply/divide, and a 16-bit accumulator/derivative stack optimized for C and assembly code generated by CodeWarrior. The two CAN 2.0 modules support up to 1 Mbps networking, making the part well-suited to multi-node automotive body and chassis networks. The 112-LQFP package exposes most signals to the outside, giving designers full access to the 91 I/O pins plus dedicated analog and timer channels.
Typical applications include automotive body controllers, HVAC control modules, instrument clusters, industrial CAN nodes, and motor control peripherals. The combination of CAN + SCI + SPI + I2C and 64KB of flash allows a single MC9S12DJ64 to host a complete LIN/CAN gateway or stepper-motor driver sub-system.
When designing with this part, pay close attention to the decoupling network: place 100 nF ceramics close to every VDD/VSS pair, and a 4.7 uF bulk cap at the regulator output. Because the device is in long-term mature status with multiple sources, lead times are typically short.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same HCS12 sub-family, and practical design notes that go beyond the information found in the standalone manufacturer datasheet, giving an engineer one consolidated reference.
بدائل مباشرة لـ MC9S12DJ64MPVE — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع MC9S12DJ64MPVE (نفس عامل الشكل والبصمة) — يختلف في PWM Channels, Program Memory Size, RAM Size, ADC, Core Architecture.
MC9S12DJ128MPVE
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12D64MPVE
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12A64CPVE
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12DG128MPVE
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12DP512MPVE
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12DJ64MPVE الحدود القصوى والخصائص الكهربائية
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| Core Architecture | CISC |
| Speed (CPU Clock) | 25 MHz |
| Program Memory Size | 64 KB (64K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 4 KB |
| EEPROM Size | 1 KB |
| Number of I/O Lines | 91 |
| العلبة | 112-LQFP (20x20 mm) |
| Connectivity | CANbus, I2C, SCI, SPI |
| Peripherals | PWM, WDT |
| Number of CAN Controllers | 2 (CAN 2.0 A/B) |
| Oscillator Type | Internal |
| جهد التغذية التشغيلي | 2.5 V core / 5 V I/O |
| نوع التركيب | Surface Mount |
| Packaging | Tray |
| Temperature Grade | Automotive |
تكوين أطراف MC9S12DJ64MPVE
| دبوس 1 | XCLKS — Mode select for oscillator (external clock/lock select) |
| دبوس 2 | TEST — Test mode pin (must be held low in normal operation) |
| دبوس 3 | VDDR — Regulator power supply (for internal voltage regulator) |
| دبوس 4 | VSS — Ground |
| دبوس 5 | VDDX — External power supply (5 V I/O supply) |
| دبوس 6 | VSSX — Ground (I/O supply return) |
| دبوس 7 | PAD0/TXD0 — Port AD bit 0 / SCI0 transmit |
| دبوس 8 | PAD1/RXD0 — Port AD bit 1 / SCI0 receive |
| دبوس 9 | PAD2/MISO0 — Port AD bit 2 / SPI0 MISO |
| دبوس 10 | PAD3/MOSI0 — Port AD bit 3 / SPI0 MOSI |
| دبوس 11 | PAD4/SCK0 — Port AD bit 4 / SPI0 clock |
| دبوس 12 | PAD5/SS0 — Port AD bit 5 / SPI0 slave select |
| دبوس 13 | PAD6 — Port AD bit 6 (GPIO) |
| دبوس 14 | PAD7 — Port AD bit 7 (GPIO) |
| دبوس 15 | PA0/CAN0TX — Port A bit 0 / CAN0 transmit |
| دبوس 16 | PA1/CAN0RX — Port A bit 1 / CAN0 receive |
| دبوس 17 | PA2/CAN1TX — Port A bit 2 / CAN1 transmit |
| دبوس 18 | PA3/CAN1RX — Port A bit 3 / CAN1 receive |
| دبوس 19 | PA4 — Port A bit 4 (GPIO) |
| دبوس 20 | PA5 — Port A bit 5 (GPIO) |
| دبوس 21 | PA6 — Port A bit 6 (GPIO) |
| دبوس 22 | PA7 — Port A bit 7 (GPIO) |
| دبوس 23 | PB0/TXD1 — Port B bit 0 / SCI1 transmit |
| دبوس 24 | PB1/RXD1 — Port B bit 1 / SCI1 receive |
| دبوس 25 | PB2/MISO1 — Port B bit 2 / SPI1 MISO |
| دبوس 26 | PB3/MOSI1 — Port B bit 3 / SPI1 MOSI |
| دبوس 27 | PB4/SCK1 — Port B bit 4 / SPI1 clock |
| دبوس 28 | PB5/SS1 — Port B bit 5 / SPI1 slave select |
| دبوس 29 | PB6/SDA — Port B bit 6 / I2C SDA |
| دبوس 30 | PB7/SCL — Port B bit 7 / I2C SCL |
| دبوس 31 | PE0/XIRQ — Port E bit 0 / non-maskable interrupt |
| دبوس 32 | PE1/IRQ — Port E bit 1 / maskable interrupt |
| دبوس 33 | PE2 — Port E bit 2 (GPIO) |
| دبوس 34 | PE3 — Port E bit 3 (GPIO) |
| دبوس 35 | PE4/ECLK — Port E bit 4 / E-clock output |
| دبوس 36 | PE5/MODA — Port E bit 5 / mode select A |
| دبوس 37 | PE6/MODB — Port E bit 6 / mode select B |
| دبوس 38 | PE7/MODC — Port E bit 7 / mode select C |
| دبوس 39 | PK0 — Port K bit 0 (GPIO / external bus) |
| دبوس 40 | PK1 — Port K bit 1 (GPIO / external bus) |
| دبوس 41 | PK2 — Port K bit 2 (GPIO / external bus) |
| دبوس 42 | PK3 — Port K bit 3 (GPIO / external bus) |
| دبوس 43 | PK4 — Port K bit 4 (GPIO / external bus) |
| دبوس 44 | PK5 — Port K bit 5 (GPIO / external bus) |
| دبوس 45 | PK6 — Port K bit 6 (GPIO / external bus) |
| دبوس 46 | PK7 — Port K bit 7 (GPIO / external bus) |
| دبوس 47 | PM0 — Port M bit 0 (GPIO) |
| دبوس 48 | PM1 — Port M bit 1 (GPIO) |
| دبوس 49 | PM2 — Port M bit 2 (GPIO) |
| دبوس 50 | PM3 — Port M bit 3 (GPIO) |
| دبوس 51 | PM4 — Port M bit 4 (GPIO) |
| دبوس 52 | PM5 — Port M bit 5 (GPIO) |
| دبوس 53 | PM6 — Port M bit 6 (GPIO) |
| دبوس 54 | PM7 — Port M bit 7 (GPIO) |
| دبوس 55 | PP0/PWM0 — Port P bit 0 / PWM channel 0 |
| دبوس 56 | PP1/PWM1 — Port P bit 1 / PWM channel 1 |
| دبوس 57 | PP2/PWM2 — Port P bit 2 / PWM channel 2 |
| دبوس 58 | PP3/PWM3 — Port P bit 3 / PWM channel 3 |
| دبوس 59 | PP4/PWM4 — Port P bit 4 / PWM channel 4 |
| دبوس 60 | PP5/PWM5 — Port P bit 5 / PWM channel 5 |
| دبوس 61 | PP6/PWM6 — Port P bit 6 / PWM channel 6 |
| دبوس 62 | PP7/PWM7 — Port P bit 7 / PWM channel 7 |
| دبوس 63 | PT0/IOC0 — Port T bit 0 / timer channel 0 |
| دبوس 64 | PT1/IOC1 — Port T bit 1 / timer channel 1 |
| دبوس 65 | PT2/IOC2 — Port T bit 2 / timer channel 2 |
| دبوس 66 | PT3/IOC3 — Port T bit 3 / timer channel 3 |
| دبوس 67 | PT4/IOC4 — Port T bit 4 / timer channel 4 |
| دبوس 68 | PT5/IOC5 — Port T bit 5 / timer channel 5 |
| دبوس 69 | PT6/IOC6 — Port T bit 6 / timer channel 6 |
| دبوس 70 | PT7/IOC7 — Port T bit 7 / timer channel 7 |
| دبوس 71 | PJ0/ADD0 — Port J bit 0 / external address/data bus |
| دبوس 72 | PJ1/ADD1 — Port J bit 1 / external address/data bus |
| دبوس 73 | PJ2/ADD2 — Port J bit 2 / external address/data bus |
| دبوس 74 | PJ3/ADD3 — Port J bit 3 / external address/data bus |
| دبوس 75 | PJ4/ADD4 — Port J bit 4 / external address/data bus |
| دبوس 76 | PJ5/ADD5 — Port J bit 5 / external address/data bus |
| دبوس 77 | PJ6/ADD6 — Port J bit 6 / external address/data bus |
| دبوس 78 | PJ7/ADD7 — Port J bit 7 / external address/data bus |
| دبوس 79 | PS0/RXD2 — Port S bit 0 / SCI2 receive |
| دبوس 80 | PS1/TXD2 — Port S bit 1 / SCI2 transmit |
| دبوس 81 | PS2 — Port S bit 2 (GPIO) |
| دبوس 82 | PS3 — Port S bit 3 (GPIO) |
| دبوس 83 | PS4 — Port S bit 4 (GPIO) |
| دبوس 84 | PS5 — Port S bit 5 (GPIO) |
| دبوس 85 | PS6 — Port S bit 6 (GPIO) |
| دبوس 86 | PS7 — Port S bit 7 (GPIO) |
| دبوس 87 | AN0/PAD0 — Analog input 0 (shared with Port AD0) |
| دبوس 88 | AN1/PAD1 — Analog input 1 (shared with Port AD1) |
| دبوس 89 | AN2/PAD2 — Analog input 2 (shared with Port AD2) |
| دبوس 90 | AN3/PAD3 — Analog input 3 (shared with Port AD3) |
| دبوس 91 | AN4/PAD4 — Analog input 4 (shared with Port AD4) |
| دبوس 92 | AN5/PAD5 — Analog input 5 (shared with Port AD5) |
| دبوس 93 | AN6/PAD6 — Analog input 6 (shared with Port AD6) |
| دبوس 94 | AN7/PAD7 — Analog input 7 (shared with Port AD7) |
| دبوس 95 | BKGD — Background Debug Mode (BDM) interface |
| دبوس 96 | RESET — External reset input (active low) |
| دبوس 97 | EXTAL — External clock / crystal input |
| دبوس 98 | XTAL — Crystal output |
| دبوس 99 | VDDPLL — PLL supply voltage |
| دبوس 100 | VSSPLL — PLL ground |
| دبوس 101 | VDD — Digital power supply (2.5 V core) |
| دبوس 102 | VSS — Ground |
| دبوس 103 | PE0/NOACC — Port E bit 0 / external access disable |
| دبوس 104 | PE1 — Port E bit 1 (GPIO) |
| دبوس 105 | PE2 — Port E bit 2 (GPIO) |
| دبوس 106 | PE3 — Port E bit 3 (GPIO) |
| دبوس 107 | PE4 — Port E bit 4 (GPIO) |
| دبوس 108 | PE5 — Port E bit 5 (GPIO) |
| دبوس 109 | PE6 — Port E bit 6 (GPIO) |
| دبوس 110 | PE7 — Port E bit 7 (GPIO) |
| دبوس 111 | NC — Not connected (per datasheet) |
| دبوس 112 | NC — Not connected (per datasheet) |
التطبيقات النموذجية
MC9S12DJ64MPVE مناسب لـ 6 التطبيقs: Automotive Body Control Module, HVAC Control Module, Instrument Cluster Controller, Industrial CAN Node / PLC Slice, Stepper / DC Motor Sub-System, Battery Management Slave Module.
Automotive Body Control Module
The MC9S12DJ64MPVE is well-matched to body control modules that aggregate lighting, door-lock, mirror, and wiper functions. Its dual CAN 2.0 controllers let the part sit on the body CAN bus at 500 kbps and gateway messages to a sub-network, while 91 GPIO lines drive the discrete loads through high-side drivers. The 64 KB Flash and 4 KB RAM are sufficient for a typical BCM with LIN master and switch-scan firmware. Compared to a Cortex-M0 part, the HCS12's deterministic interrupt latency is preferable for time-critical wiper and lamp fade-in routines.
موصى به
HVAC Control Module
An automotive HVAC module uses the MC9S12DJ64MPVE to read multiple temperature sensors, drive a stepper or DC blower motor, and exchange set-points on CAN. The HCS12's 8-channel 16-bit timer/PWM block generates the PWM signals needed for blower speed control, while the on-chip 10-bit ADC scans thermistor inputs. Two SCI channels give a debug/UART path and a pass-through to a passenger-comfort display. The 25 MHz bus speed comfortably handles 10 ms control loops with CAN message processing in parallel.
موصى به
Instrument Cluster Controller
Instrument clusters built around the MC9S12DJ64MPVE benefit from its 91 GPIO lines to drive stepper gauges and LED backlighting directly. The dual CAN controllers accept vehicle-speed, engine-RPM, and fuel-level messages from the powertrain bus, while an SPI link drives a small TFT or segment LCD. The 64 KB Flash holds gauge graphics, warning-icon logic, and CAN diagnostic services (UDS). HCS12's interrupt structure suits the deterministic refresh rates needed for smooth needle movement.
موصى به
Industrial CAN Node / PLC Slice
Outside the car, the MC9S12DJ64MPVE is a strong fit for industrial CANopen or DeviceNet slave nodes. The dual CAN ports allow a node to be both a master to a sub-bus and a slave on the factory backbone. The 25 MHz CPU handles the CANopen stack plus PLC-style ladder logic in C, and the SCI/SPI provide service-port and sensor I/O. Industrial users value the HCS12's long production lifetime and multi-source availability through Rochester Electronics and NXP franchised stockists.
موصى به
Stepper / DC Motor Sub-System
Small brushed-DC or stepper motor controllers use the MC9S12DJ64MPVE as the main logic element, generating PWM with the 8-channel timer block and reading Hall sensors through the ADC. The MCU's PWM channels (up to 8) provide the four-wire stepper sequencing plus current chopping, while CAN offers the comm channel back to the host ECU. The 112-LQFP gives ample board-level signal routing to bring out the 91 I/O for power-stage interfacing.
موصى به
Battery Management Slave Module
Slave battery-management modules for hybrid or 48 V systems sometimes use the MC9S12DJ64MPVE to read cell voltages, balance cells via PWM, and report pack state over CAN. The two CAN controllers let the slave coexist with both the pack-internal CAN and the vehicle CAN, while the 64 KB Flash holds calibration tables for cell-voltage and temperature look-ups. Hardware watchdog and BDM support make field diagnostics straightforward for automotive service.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ MC9S12DJ64MPVE — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | MC9S12DJ128MPVE | MC9S12D64MPVE | MC9S12A64CPVE | MC9S12DG128MPVE | MC9S12DP512MPVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same |
| Flash Memory | 64 KB | 128 KB (+100%) | 64 KB (same) | 64 KB (same) | 128 KB (+100%) | 512 KB (+700%) |
| RAM Size | 4 KB | 8 KB (+100%) | 4 KB (same) | 4 KB (same) | 8 KB (+100%) | 32 KB (+700%) |
| CPU Clock | 25 MHz | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) |
| CAN Controllers | 2 (CAN 2.0 A/B) | 2 (CAN 2.0 A/B) - same | 2 (CAN 2.0 A/B) - same | 1 (CAN 2.0 A/B) | 2 (CAN 2.0 A/B) - same | 5 (CAN 2.0 A/B) |
| GPIO Lines | 91 | 91 (same) | 91 (same) | 91 (same) | 91 (same) | 91 (same) |
| EEPROM | 1 KB | 2 KB (+100%) | 1 KB (same) | 1 KB (same) | 2 KB (+100%) | 4 KB (+300%) |
أبرز الفروقات
- Dual CAN 2.0 A/B controllers in the 'DJ' sub-family (مقابلMC9S12A64CPVE)
- Pin-compatible Flash upgrade path to 128 KB (مقابلMC9S12DJ128MPVE)
- J-tag diagnostic subset for production-line BDM testing (مقابلMC9S12D64MPVE)
- Automotive temperature grade and AEC-Q100 qualification (مقابلGeneric industrial HCS12 variants)
ملاحظات التصميم
The MC9S12DJ64MPVE has separate VDD/VDDX rails: VDDX supplies the I/O pads at 5 V while the on-chip regulator generates the 2.5 V VDD for the core. Decouple VDDX with a 100 nF ceramic placed within 5 mm of the pin, plus a 4.7 uF bulk capacitor. The VDDR pin that powers the internal regulator also requires its own 1 uF ceramic. Failure to provide clean decoupling on VDDX causes erratic CAN and SCI bit timing.
Place the EXTAL/XTAL crystal or resonator within 5 mm of the pins, with a grounded guard ring around the traces. The PLL filter components on VDDPLL/VSSPLL (typically a 100 ohm resistor and 100 nF capacitor network) must be kept short. Route the BDM BKGD and RESET signals as straight traces to a 2x5 0.1 inch header, with a 4.7 kohm pull-up on BKGD to VDDX.
Do not leave MODA/MODB/MODC floating; they select the boot mode and must be pulled to defined logic levels via 10 kohm resistors. If TEST is left floating the device can enter test mode in noisy environments - tie it to VSS. The CAN TX pins drive a recessive high; a missing CAN transceiver will leave the bus un-terminated and cause CAN error frames. Always include a 120 ohm termination at each end of the CAN bus.
When the HCS12's external bus (Port J/K) is enabled, place 33 ohm series resistors near the MCU pins to dampen ringing when driving external peripherals. For SPI runs above 50 mm, lower the bus speed to 1 MHz or use a buffer. The CAN bus should be routed as a differential pair with 120 ohm characteristic impedance and a ground plane below.
معلومات الامتثال
RoHS and REACH compliance per NXP product page. AEC-Q100 automotive qualification is consistent with the automotive temperature grade marked in the part number. Halogen-free status not explicitly listed in the verified web data; confirm with NXP directly for halogen-free declarations.