MC9S12DJ64MPVE - HCS12 16-Bit 64KB Flash MCU 112-LQFP | NXP
MPN: MC9S12DJ64MPVE ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $12.1 | $6,050.00 |
| 1,000 | $10.75 | $10,750.00 |
MC9S12DJ64MPVE Overview
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.
Drop-in alternatives for MC9S12DJ64MPVE — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC9S12DJ64MPVE (same form factor and footprint) — differing in PWM Channels, Program Memory Size, RAM Size, ADC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12DJ128MPVE
✅ Drop-In✓ In Stock
$19.25 / Unit
View Datasheet →MC9S12D64MPVE
✅ Drop-In✓ In Stock
$9.84 / Unit
View Datasheet →MC9S12A64CPVE
✅ Drop-In✓ In Stock
$32.6 / Unit
View Datasheet →MC9S12DG128MPVE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$11.75 / Unit
View Datasheet →MC9S12DP512MPVE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$9.45 / Unit
View Datasheet →MC9S12DJ64MPVE Maximum Ratings & Electrical Characteristics
| 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 |
| Package | 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 |
| Operating Supply Voltage | 2.5 V core / 5 V I/O |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Temperature Grade | Automotive |
MC9S12DJ64MPVE Pin Configuration
| Pin 1 | XCLKS — Mode select for oscillator (external clock/lock select) |
| Pin 2 | TEST — Test mode pin (must be held low in normal operation) |
| Pin 3 | VDDR — Regulator power supply (for internal voltage regulator) |
| Pin 4 | VSS — Ground |
| Pin 5 | VDDX — External power supply (5 V I/O supply) |
| Pin 6 | VSSX — Ground (I/O supply return) |
| Pin 7 | PAD0/TXD0 — Port AD bit 0 / SCI0 transmit |
| Pin 8 | PAD1/RXD0 — Port AD bit 1 / SCI0 receive |
| Pin 9 | PAD2/MISO0 — Port AD bit 2 / SPI0 MISO |
| Pin 10 | PAD3/MOSI0 — Port AD bit 3 / SPI0 MOSI |
| Pin 11 | PAD4/SCK0 — Port AD bit 4 / SPI0 clock |
| Pin 12 | PAD5/SS0 — Port AD bit 5 / SPI0 slave select |
| Pin 13 | PAD6 — Port AD bit 6 (GPIO) |
| Pin 14 | PAD7 — Port AD bit 7 (GPIO) |
| Pin 15 | PA0/CAN0TX — Port A bit 0 / CAN0 transmit |
| Pin 16 | PA1/CAN0RX — Port A bit 1 / CAN0 receive |
| Pin 17 | PA2/CAN1TX — Port A bit 2 / CAN1 transmit |
| Pin 18 | PA3/CAN1RX — Port A bit 3 / CAN1 receive |
| Pin 19 | PA4 — Port A bit 4 (GPIO) |
| Pin 20 | PA5 — Port A bit 5 (GPIO) |
| Pin 21 | PA6 — Port A bit 6 (GPIO) |
| Pin 22 | PA7 — Port A bit 7 (GPIO) |
| Pin 23 | PB0/TXD1 — Port B bit 0 / SCI1 transmit |
| Pin 24 | PB1/RXD1 — Port B bit 1 / SCI1 receive |
| Pin 25 | PB2/MISO1 — Port B bit 2 / SPI1 MISO |
| Pin 26 | PB3/MOSI1 — Port B bit 3 / SPI1 MOSI |
| Pin 27 | PB4/SCK1 — Port B bit 4 / SPI1 clock |
| Pin 28 | PB5/SS1 — Port B bit 5 / SPI1 slave select |
| Pin 29 | PB6/SDA — Port B bit 6 / I2C SDA |
| Pin 30 | PB7/SCL — Port B bit 7 / I2C SCL |
| Pin 31 | PE0/XIRQ — Port E bit 0 / non-maskable interrupt |
| Pin 32 | PE1/IRQ — Port E bit 1 / maskable interrupt |
| Pin 33 | PE2 — Port E bit 2 (GPIO) |
| Pin 34 | PE3 — Port E bit 3 (GPIO) |
| Pin 35 | PE4/ECLK — Port E bit 4 / E-clock output |
| Pin 36 | PE5/MODA — Port E bit 5 / mode select A |
| Pin 37 | PE6/MODB — Port E bit 6 / mode select B |
| Pin 38 | PE7/MODC — Port E bit 7 / mode select C |
| Pin 39 | PK0 — Port K bit 0 (GPIO / external bus) |
| Pin 40 | PK1 — Port K bit 1 (GPIO / external bus) |
| Pin 41 | PK2 — Port K bit 2 (GPIO / external bus) |
| Pin 42 | PK3 — Port K bit 3 (GPIO / external bus) |
| Pin 43 | PK4 — Port K bit 4 (GPIO / external bus) |
| Pin 44 | PK5 — Port K bit 5 (GPIO / external bus) |
| Pin 45 | PK6 — Port K bit 6 (GPIO / external bus) |
| Pin 46 | PK7 — Port K bit 7 (GPIO / external bus) |
| Pin 47 | PM0 — Port M bit 0 (GPIO) |
| Pin 48 | PM1 — Port M bit 1 (GPIO) |
| Pin 49 | PM2 — Port M bit 2 (GPIO) |
| Pin 50 | PM3 — Port M bit 3 (GPIO) |
| Pin 51 | PM4 — Port M bit 4 (GPIO) |
| Pin 52 | PM5 — Port M bit 5 (GPIO) |
| Pin 53 | PM6 — Port M bit 6 (GPIO) |
| Pin 54 | PM7 — Port M bit 7 (GPIO) |
| Pin 55 | PP0/PWM0 — Port P bit 0 / PWM channel 0 |
| Pin 56 | PP1/PWM1 — Port P bit 1 / PWM channel 1 |
| Pin 57 | PP2/PWM2 — Port P bit 2 / PWM channel 2 |
| Pin 58 | PP3/PWM3 — Port P bit 3 / PWM channel 3 |
| Pin 59 | PP4/PWM4 — Port P bit 4 / PWM channel 4 |
| Pin 60 | PP5/PWM5 — Port P bit 5 / PWM channel 5 |
| Pin 61 | PP6/PWM6 — Port P bit 6 / PWM channel 6 |
| Pin 62 | PP7/PWM7 — Port P bit 7 / PWM channel 7 |
| Pin 63 | PT0/IOC0 — Port T bit 0 / timer channel 0 |
| Pin 64 | PT1/IOC1 — Port T bit 1 / timer channel 1 |
| Pin 65 | PT2/IOC2 — Port T bit 2 / timer channel 2 |
| Pin 66 | PT3/IOC3 — Port T bit 3 / timer channel 3 |
| Pin 67 | PT4/IOC4 — Port T bit 4 / timer channel 4 |
| Pin 68 | PT5/IOC5 — Port T bit 5 / timer channel 5 |
| Pin 69 | PT6/IOC6 — Port T bit 6 / timer channel 6 |
| Pin 70 | PT7/IOC7 — Port T bit 7 / timer channel 7 |
| Pin 71 | PJ0/ADD0 — Port J bit 0 / external address/data bus |
| Pin 72 | PJ1/ADD1 — Port J bit 1 / external address/data bus |
| Pin 73 | PJ2/ADD2 — Port J bit 2 / external address/data bus |
| Pin 74 | PJ3/ADD3 — Port J bit 3 / external address/data bus |
| Pin 75 | PJ4/ADD4 — Port J bit 4 / external address/data bus |
| Pin 76 | PJ5/ADD5 — Port J bit 5 / external address/data bus |
| Pin 77 | PJ6/ADD6 — Port J bit 6 / external address/data bus |
| Pin 78 | PJ7/ADD7 — Port J bit 7 / external address/data bus |
| Pin 79 | PS0/RXD2 — Port S bit 0 / SCI2 receive |
| Pin 80 | PS1/TXD2 — Port S bit 1 / SCI2 transmit |
| Pin 81 | PS2 — Port S bit 2 (GPIO) |
| Pin 82 | PS3 — Port S bit 3 (GPIO) |
| Pin 83 | PS4 — Port S bit 4 (GPIO) |
| Pin 84 | PS5 — Port S bit 5 (GPIO) |
| Pin 85 | PS6 — Port S bit 6 (GPIO) |
| Pin 86 | PS7 — Port S bit 7 (GPIO) |
| Pin 87 | AN0/PAD0 — Analog input 0 (shared with Port AD0) |
| Pin 88 | AN1/PAD1 — Analog input 1 (shared with Port AD1) |
| Pin 89 | AN2/PAD2 — Analog input 2 (shared with Port AD2) |
| Pin 90 | AN3/PAD3 — Analog input 3 (shared with Port AD3) |
| Pin 91 | AN4/PAD4 — Analog input 4 (shared with Port AD4) |
| Pin 92 | AN5/PAD5 — Analog input 5 (shared with Port AD5) |
| Pin 93 | AN6/PAD6 — Analog input 6 (shared with Port AD6) |
| Pin 94 | AN7/PAD7 — Analog input 7 (shared with Port AD7) |
| Pin 95 | BKGD — Background Debug Mode (BDM) interface |
| Pin 96 | RESET — External reset input (active low) |
| Pin 97 | EXTAL — External clock / crystal input |
| Pin 98 | XTAL — Crystal output |
| Pin 99 | VDDPLL — PLL supply voltage |
| Pin 100 | VSSPLL — PLL ground |
| Pin 101 | VDD — Digital power supply (2.5 V core) |
| Pin 102 | VSS — Ground |
| Pin 103 | PE0/NOACC — Port E bit 0 / external access disable |
| Pin 104 | PE1 — Port E bit 1 (GPIO) |
| Pin 105 | PE2 — Port E bit 2 (GPIO) |
| Pin 106 | PE3 — Port E bit 3 (GPIO) |
| Pin 107 | PE4 — Port E bit 4 (GPIO) |
| Pin 108 | PE5 — Port E bit 5 (GPIO) |
| Pin 109 | PE6 — Port E bit 6 (GPIO) |
| Pin 110 | PE7 — Port E bit 7 (GPIO) |
| Pin 111 | NC — Not connected (per datasheet) |
| Pin 112 | NC — Not connected (per datasheet) |
Typical Applications
MC9S12DJ64MPVE is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12DJ64MPVE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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%) |
Key Differentiators
- Dual CAN 2.0 A/B controllers in the 'DJ' sub-family (vs MC9S12A64CPVE)
- Pin-compatible Flash upgrade path to 128 KB (vs MC9S12DJ128MPVE)
- J-tag diagnostic subset for production-line BDM testing (vs MC9S12D64MPVE)
- Automotive temperature grade and AEC-Q100 qualification (vs Generic industrial HCS12 variants)
Design Notes
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.
Compliance Information
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.