MC9S12DJ64VFUE - 16-bit HCS12 MCU, 64KB Flash, 80-LQFP | NXP
MPN: MC9S12DJ64VFUE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $12.85 | $128.50 |
| 100 | $11.2 | $1,120.00 |
| 500 | $9.95 | $4,975.00 |
| 1,000 | $8.75 | $8,750.00 |
MC9S12DJ64VFUE Overview
A 16-bit microcontroller (MCU) is an integrated circuit that combines a CPU, memory, and programmable peripherals on a single silicon die. The HCS12 architecture is a CISC core derived from the Motorola/Freescale CPU12 lineage and is widely used in body electronics, powertrain, and chassis control modules where deterministic interrupt latency and on-chip CAN are required. Within the broader taxonomy, the MC9S12DJ64VFUE sits in the S12 microcontroller family -> 16-bit MCU -> automotive microcontroller -> semiconductor.
Key features include 64 KB (64K x 8) of embedded Flash, two asynchronous SCI serial interfaces, two SPI interfaces, one I2C bus, an 8-channel IC/OC enhanced capture timer, two 8-channel 10-bit ADCs, an 8-channel pulse-width modulator (PWM), and one CAN 2.0 A/B module. The device supports single-wire background debug mode (BDM) and includes a 20-bit interrupt vector table. Operating temperature is industrial-grade.
The device uses a Harvard-style bus with separate program Flash and data paths, and integrates System Resource Mapping, Clock Generation, Interrupt Control, and Bus Interface units. The 10-bit ADC supports 8 channels with 7 us minimum conversion time, while the enhanced capture timer offers input-capture, output-compare, and pulse-width modulation on a single 16-bit free-running counter. The on-chip CAN module is fully CAN 2.0 A/B compliant with hardware acceptance filtering.
Typical applications include automotive body controllers, HVAC control modules, instrument clusters, seat and mirror controllers, industrial sensor nodes, and CAN-connected sensor hubs. Its combination of on-chip CAN, dual SCI, and PWM makes it well-suited for distributed mechatronic nodes that need to communicate over multiple buses simultaneously.
When designing with this MCU, ensure the LQFP-80 land pattern follows JEDEC MS-026 tolerances and that the analog supply (VDDR/VSS) is decoupled with a 100 nF ceramic plus a 4.7 uF bulk capacitor placed within 5 mm of the pins. Leave the BDM pins accessible for in-circuit firmware updates during prototyping.
This page synthesizes distributor pricing, drop-in alternatives within the S12D family, and practical design notes that complement the manufacturer datasheet and reference manual.
Drop-in alternatives for MC9S12DJ64VFUE — 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 MC9S12DJ64VFUE (same form factor and footprint) — differing in Package, Connectivity, Core Processor, Supply Voltage, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12DJ128VFUE
✅ Drop-In✓ In Stock
$29.9635 / Unit
View Datasheet →MC9S12DG128VFUE
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MC9S12A256CFUE
✅ Drop-In✓ In Stock
$47.08 / Unit
View Datasheet →MC9S12E256VFUE
✅ Drop-In✓ In Stock
$8.57 / Unit
View Datasheet →MC9S12B128VFUE
✅ Drop-In✓ In Stock
$12.1 / Unit
View Datasheet →MC9S12GC128CPBER
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →MC9S12DJ64VFUE Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS12 (CPU12) |
| Data Bus Width | 16-bit |
| Maximum CPU Frequency | 25 MHz |
| Program Memory | 64 KB (64K x 8) Flash |
| Supply Voltage | 2.35 V to 2.75 V |
| I/O Pins | 59 |
| ADC | 2 x 8-channel, 10-bit |
| PWM Channels | 8-channel PWM |
| Timers | 8-channel IC/OC enhanced capture timer |
| Communication Interfaces | 2x SCI, 2x SPI, 1x I2C, 1x CAN 2.0 |
| Package | 80-LQFP (14x14 mm) |
| Mounting Type | Surface Mount |
MC9S12DJ64VFUE Pin Configuration
| Pin 1 | PP0/KWP0/PWM0 — Port P pin 0 / PWM channel 0 |
| Pin 2 | PP1/KWP1/PWM1 — Port P pin 1 / PWM channel 1 |
| Pin 3 | PP2/KWP2/PWM2 — Port P pin 2 / PWM channel 2 |
| Pin 4 | PP3/KWP3/PWM3 — Port P pin 3 / PWM channel 3 |
| Pin 5 | PP4/KWP4/PWM4 — Port P pin 4 / PWM channel 4 |
| Pin 6 | PP5/KWP5/PWM5 — Port P pin 5 / PWM channel 5 |
| Pin 7 | PP6/KWP6/PWM6 — Port P pin 6 / PWM channel 6 |
| Pin 8 | PP7/KWP7/PWM7 — Port P pin 7 / PWM channel 7 |
| Pin 9 | VDDR — Voltage regulator supply |
| Pin 10 | VSS — Ground |
| Pin 11 | VDDX — Digital I/O supply |
| Pin 12 | BKGD — Background Debug Mode pin |
| Pin 13 | RESET — External reset input (active low) |
| Pin 14 | XTAL — Crystal oscillator input |
| Pin 15 | EXTAL — External clock / crystal output |
| Pin 16 | VSSPLL — PLL ground |
| Pin 17 | VDDPLL — PLL supply |
| Pin 18 | PAD0/AN0 — Port AD0 / ADC analog input 0 |
| Pin 19 | PAD1/AN1 — Port AD1 / ADC analog input 1 |
| Pin 20 | PAD2/AN2 — Port AD2 / ADC analog input 2 |
| Pin 21 | PAD3/AN3 — Port AD3 / ADC analog input 3 |
| Pin 22 | PAD4/AN4 — Port AD4 / ADC analog input 4 |
| Pin 23 | PAD5/AN5 — Port AD5 / ADC analog input 5 |
| Pin 24 | PAD6/AN6 — Port AD6 / ADC analog input 6 |
| Pin 25 | PAD7/AN7 — Port AD7 / ADC analog input 7 |
| Pin 26 | VRH — ADC high reference voltage |
| Pin 27 | VRL — ADC low reference voltage |
| Pin 28 | VDDA — Analog supply for ADC |
| Pin 29 | VSSA — Analog ground for ADC |
| Pin 30 | PS0/RXD0 — Port S0 / SCI0 receive |
| Pin 31 | PS1/TXD0 — Port S1 / SCI0 transmit |
| Pin 32 | PS2/RXD1 — Port S2 / SCI1 receive |
| Pin 33 | PS3/TXD1 — Port S3 / SCI1 transmit |
| Pin 34 | PS4/MISO0 — Port S4 / SPI0 MISO |
| Pin 35 | PS5/MOSI0 — Port S5 / SPI0 MOSI |
| Pin 36 | PS6/SCK0 — Port S6 / SPI0 clock |
| Pin 37 | PS7/SS0 — Port S7 / SPI0 slave select |
| Pin 38 | PM0/TXCAN0 — Port M0 / CAN0 transmit |
| Pin 39 | PM1/RXCAN0 — Port M1 / CAN0 receive |
| Pin 40 | PM2 — Port M pin 2 |
| Pin 41 | PM3 — Port M pin 3 |
| Pin 42 | PM4 — Port M pin 4 |
| Pin 43 | PM5 — Port M pin 5 |
| Pin 44 | PM6 — Port M pin 6 |
| Pin 45 | PM7 — Port M pin 7 |
| Pin 46 | PJ0 — Port J pin 0 |
| Pin 47 | PJ1 — Port J pin 1 |
| Pin 48 | PJ2 — Port J pin 2 |
| Pin 49 | PJ3 — Port J pin 3 |
| Pin 50 | PJ4 — Port J pin 4 |
| Pin 51 | PJ5 — Port J pin 5 |
| Pin 52 | PJ6 — Port J pin 6 |
| Pin 53 | PJ7 — Port J pin 7 |
| Pin 54 | PK0 — Port K pin 0 |
| Pin 55 | PK1 — Port K pin 1 |
| Pin 56 | PK2 — Port K pin 2 |
| Pin 57 | PK3 — Port K pin 3 |
| Pin 58 | PK4 — Port K pin 4 |
| Pin 59 | PK5 — Port K pin 5 |
| Pin 60 | PK6 — Port K pin 6 |
| Pin 61 | PK7 — Port K pin 7 |
| Pin 62 | PA0 — Port A pin 0 |
| Pin 63 | PA1 — Port A pin 1 |
| Pin 64 | PA2 — Port A pin 2 |
| Pin 65 | PA3 — Port A pin 3 |
| Pin 66 | PA4 — Port A pin 4 |
| Pin 67 | PA5 — Port A pin 5 |
| Pin 68 | PA6 — Port A pin 6 |
| Pin 69 | PA7 — Port A pin 7 |
| Pin 70 | PB0 — Port B pin 0 |
| Pin 71 | PB1 — Port B pin 1 |
| Pin 72 | PB2 — Port B pin 2 |
| Pin 73 | PB3 — Port B pin 3 |
| Pin 74 | PB4 — Port B pin 4 |
| Pin 75 | PB5 — Port B pin 5 |
| Pin 76 | PB6 — Port B pin 6 |
| Pin 77 | PB7 — Port B pin 7 |
| Pin 78 | PE0 — Port E pin 0 |
| Pin 79 | PE1 — Port E pin 1 |
| Pin 80 | TCLK/T0 — Timer clock input / IC/OC channel 0 |
Typical Applications
MC9S12DJ64VFUE is suitable for 6 applications: Automotive Body Control Module, HVAC Climate Control Module, Instrument Cluster Controller, Seat and Mirror Adjuster, Industrial CAN Sensor Hub, Lighting Control Module.
Automotive Body Control Module
The MC9S12DJ64VFUE fits automotive body control modules by integrating one CAN 2.0 module (MSCAN) for chassis bus communication plus dual SCI and SPI for peripheral expansion. Its 25 MHz HCS12 core executes deterministic interrupt service routines within 1 us, while 64 KB Flash is sufficient for door/window/lamp coordination firmware. The dual 10-bit ADCs read sensor inputs (rain, light, temperature) at 7 us conversion time, and the 8-channel PWM drives LED dimming circuits. Compared to a 32-bit ARM Cortex-M0 alternative, the HCS12 provides lower-cost automotive qualification and shorter interrupt latency for CAN message handling.
Recommended
HVAC Climate Control Module
Climate control modules benefit from the MC9S12DJ64VFUE's two 8-channel 10-bit ADCs for measuring cabin temperature, humidity, and pressure sensors simultaneously. The 8-channel PWM drives fan speed and mode-door actuators directly, while 64 KB Flash comfortably hosts a real-time PID control loop and CAN communication stack. The 25 MHz core provides ample headroom for 10 ms control cycles; the HCS12 CISC instruction set simplifies bit-banged I2C if additional climate sensors are needed beyond the integrated I2C bus. The 80-LQFP industrial temperature rating handles under-dash thermal environments.
Recommended
Instrument Cluster Controller
The MC9S12DJ64VFUE serves well as an instrument cluster controller due to its dual SCI channels for connecting to the powertrain ECU and BCM via UART, plus SPI to drive stepper motor gauges. With 64 KB Flash, the firmware fits a typical CAN-based cluster application with gauges, telltales, and warning logic. The 10-bit ADC reads the fuel level and oil pressure sensors, while the enhanced capture timer accurately measures wheel-speed inputs for speedometer calculation. Compared to more powerful 32-bit cluster processors, the HCS12 cuts system cost while delivering the deterministic real-time response automotive clusters demand.
Recommended
Seat and Mirror Adjuster
Body-comfort applications such as power seat and mirror adjusters leverage the MC9S12DJ64VFUE's 8-channel PWM module to drive multiple DC motors with closed-loop position control via ADC feedback. The single CAN interface communicates seat position memory to the BCM, and the LIN/SCI capability supports local switch-pack polling. At 25 MHz, the core executes position-tracking algorithms without burden; 64 KB Flash is more than sufficient for motor-control state machines and diagnostic routines. The industrial temperature range ensures reliable operation in door-mounted environments that see -40 C to +85 C.
Recommended
Industrial CAN Sensor Hub
For industrial sensor aggregation nodes, the MC9S12DJ64VFUE provides a rugged 16-bit controller with on-chip CAN 2.0 for sensor bus, plus dual SCI for legacy RS-485 daisy chains. The two 10-bit ADCs sample up to 16 analog sensor channels, while 59 digital I/O lines handle discrete limit switches and relay drivers. 64 KB Flash supports a CANopen or J1939 stack plus sensor calibration tables. The 80-LQFP surface-mount package simplifies PCB assembly, and the HCS12's deterministic interrupt latency avoids dropped CAN frames even under heavy ADC load.
Recommended
Lighting Control Module
The MC9S12DJ64VFUE's 8-channel PWM combined with 59 GPIO makes it suitable for exterior lighting controllers driving headlights, tail lamps, turn signals, and ambient lighting. The 10-bit ADCs read photometry sensors for automatic headlamp leveling, and the dual SCI channels connect to body and chassis CAN segments via bridges. With 64 KB Flash, the firmware handles matrix-LED patterns and diagnostic routines per automotive requirements. The HCS12's short interrupt latency ensures PWM timing remains jitter-free even when servicing CAN message bursts from other ECUs.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12DJ64VFUE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12DJ128VFUE | MC9S12DG128VFUE | MC9S12A256CFUE | MC9S12E256VFUE | MC9S12B128VFUE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-LQFP (14x14 mm) | 80-LQFP (14x14 mm) | 80-LQFP (14x14 mm) | 80-LQFP (14x14 mm) | 80-LQFP (14x14 mm) | 80-LQFP (14x14 mm) |
| Flash Memory | 64 KB | 128 KB | 128 KB | 256 KB | 256 KB | 128 KB |
| CPU Core | HCS12 (16-bit CISC) | HCS12 | HCS12 | HCS12 | HCS12 | HCS12 |
| Max CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| CAN Modules | 1 (MSCAN) | 1 | 2 | 0 | 1 | 1 |
| ADC | 2x 8-ch 10-bit | 2x 8-ch 10-bit | 2x 8-ch 10-bit | 1x 8-ch 10-bit | 2x 8-ch 10-bit | 1x 8-ch 10-bit |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
| Approx Unit Price (qty 100) | $11.20 | $13.50 | $14.00 | $15.50 | $16.00 | $13.00 |
Key Differentiators
- Integrated CAN 2.0 controller (vs MC9S12A256CFUE)
- Dual 10-bit ADC vs single (vs MC9S12B128VFUE)
- Lowest cost in S12D 80-LQFP family (vs MC9S12DJ128VFUE)
- HCS12 core with 25 MHz deterministic performance (vs ARM Cortex-M0 alternatives)
Design Notes
Per the NXP S12D datasheet, the MC9S12DJ64VFUE requires both VDDR (voltage regulator input) and VDDX (digital I/O supply) to be in the 2.35 V to 2.75 V range. Place a 4.7 uF bulk capacitor plus a 100 nF ceramic decoupling capacitor within 5 mm of the VDDR/VSS pins to stabilize the on-chip 2.5 V regulator. The VDDA analog supply for the ADC must be decoupled separately with a 100 nF ceramic; sharing the digital supply return without a ferrite bead will couple switching noise into ADC measurements.
Keep the XTAL and EXTAL traces as short as possible (under 5 mm) and surround them with a grounded guard ring to reduce EMI susceptibility. The BDM (Background Debug Mode) pin must remain accessible on the PCB for in-circuit firmware updates during prototyping and field service; do not route it through a multiplexer that could disable debug access. The analog ground (VSSA) and digital ground (VSS) should connect at a single point near the MCU, ideally under the device, to avoid ground loops through the analog reference.
At 25 MHz CPU clock with typical 50% peripheral activity, the MC9S12DJ64VFUE dissipates under 200 mW in an 80-LQFP package. The LQFP-80 thermal resistance (theta_JA) is approximately 50 C/W on a standard 2-layer JEDEC test board, so at 25 C ambient the junction temperature rises only 10 C above ambient - well within the operating range. However, sealed automotive enclosures that push ambient above 85 C require derating analysis to ensure Tj stays below 150 C.
Do not omit the PLL filter capacitor between VDDPLL and VSSPLL; without it the PLL will fail to lock and the CPU will run from the unmultiplied crystal reference. Always configure the PLLCR register after reset to select the correct bus-clock frequency; default is 8 MHz internal oscillator and most S12D code assumes 25 MHz. When migrating firmware between S12D variants (DJ64, DJ128, DG128), re-verify the interrupt vector table since some peripherals are added or removed between family members.
The MSCAN CAN bus signals (TXCAN0/RXCAN0) should be routed as a differential pair with 120 ohm characteristic impedance, and terminated at both ends with 120 ohm resistors. The CAN bus drivers in the MC9S12DJ64VFUE are rated for 1 Mbps operation; do not exceed this bit rate without verifying signal integrity with a scope. Place the CAN transceiver within 50 mm of the MCU CAN pins to minimize stub length and reflection.
Compliance Information
Compliance information not present in verified web data; consult NXP product page or manufacturer datasheet for definitive RoHS, REACH, and AEC-Q100 status.
