NXP Semiconductors

MC9S12DJ64MPVE - HCS12 16-Bit 64KB Flash MCU 112-LQFP | NXP

MPN: MC9S12DJ64MPVE ✓ Active
In Stock Ships in 1-3 business days
2.5 V core / 5 V I/O Vdss 112-LQFP (20x20 mm) Package 25 MHz Speed 64 KB (64K x 8) Memory
From $10.75 USD / Unit
MOQ: 1 |
Price updated: 2026-10-17
Volume Pricing
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
ℹ️ All prices are in USD

MC9S12DJ64MPVE Overview

The NXP MC9S12DJ64MPVE is a 16-bit HCS12 family microcontroller featuring 64KB of Flash program memory, 4KB of RAM, and 1KB of EEPROM, operating at 25 MHz and housed in a 112-pin LQFP (20x20 mm) package. It is a member of the S12DJ sub-family and includes two CAN 2.0 A/B controllers, two SCI, two SPI, and one I2C peripheral interface, plus an 8-channel 16-bit timer/PWM block.

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.

NXP Semiconductors
Program Memory Size: 64KB (64K x 8)
Compare with MC9S12DJ64MPVE →
NXP Semiconductors
PWM Channels: 8
ADC: Two 8-channel, 10-bit
Compare with MC9S12DJ64MPVE →
NXP Semiconductors
PWM Channels: 8 channels
ADC: 2 x 10-bit, 8 channels each (16 total)
Core Architecture: HCS12 (CPU12, 16-bit CISC)
Compare with MC9S12DJ64MPVE →
NXP Semiconductors
PWM Channels: 8
ADC: 2x 8-channel, 10-bit
Core Architecture: HCS12 (16-bit CISC)
Compare with MC9S12DJ64MPVE →
NXP Semiconductors
PWM Channels: 8-channel pulse-width modulator
Program Memory Size: 512 KB (512K x 8) Flash
RAM Size: 12 KB
Compare with MC9S12DJ64MPVE →
NXP Semiconductors
RAM Size: 4 KB (4K x 8)
Compare with MC9S12DJ64MPVE →

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

MC9S12DJ128MPVE

✅ Drop-In
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12 (16-bit CISC) · 128 KB (128K x 8) · 8 KB · 2 KB · 25 MHz (50 MHz internal bus via PLL, see datasheet) · 2.35 V to 2.75 V (single 2.5V nominal) · 59 · 2x 8-channel, 10-bit

✓ In Stock

$19.25 / Unit

View Datasheet →

MC9S12D64MPVE

✅ Drop-In
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12 (16-bit CISC) · 25 MHz · Flash · 64 KB (64K x 8) · 4 KB · 91 · 112-LQFP (20 x 20 mm) · Internal

✓ In Stock

$9.84 / Unit

View Datasheet →

MC9S12A64CPVE

✅ Drop-In
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12 · 16-Bit · CISC · 25 MHz · FLASH · 64KB (64K x 8) · 2.5V/5V · 112-LQFP (20x20 mm)

✓ In Stock

$32.6 / Unit

View Datasheet →

MC9S12DG128MPVE

✅ Drop-In ⚠️ Specs Unverified
NXP Semiconductors
📦 112-LQFP (20x20)
S12DG (HCS12) · HCS12 (CPU12, 16-bit CISC) · 25 MHz (max) · 50 MHz (max) · 128 KB · 8 KB · 2 KB · 2.35 V to 2.75 V (core) / 5 V I/O

✓ In Stock

$11.75 / Unit

View Datasheet →

MC9S12DP512MPVE

✅ Drop-In ⚠️ Specs Unverified
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12 (CPU12), 16-bit CISC · 16-bit · 25 MHz · 512 KB (512K x 8) Flash · 12 KB · 4 KB · 91 general-purpose I/O · 10-bit

✓ 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

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
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.

🌐

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.

📺

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.

🏭

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.

🤖

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.

⚡

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 Products Summary

MC9S12DJ128MPVE NXP Semiconductors Used in: Automotive Body Control Module, Instrument Cluster Controller, Battery Management Slave Module TJA1057GT Companion CAN transceiver Used in: Automotive Body Control Module MC33660 LIN transceiver for sub-network Used in: Automotive Body Control Module MC9S12D64MPVE NXP Semiconductors Used in: HVAC Control Module, Stepper / DC Motor Sub-System MCZ33996 Octal low-side driver for blower relays Used in: HVAC Control Module MAX7219 Analog Devices Used in: Instrument Cluster Controller MC9S12DG128MPVE NXP Semiconductors Used in: Industrial CAN Node / PLC Slice TJA1050 NXP Semiconductors Used in: Industrial CAN Node / PLC Slice DRV8871 Brushed DC driver companion Used in: Stepper / DC Motor Sub-System LTC6811 Cell-monitoring front-end companion Used in: Battery Management Slave Module
What is the program memory size of the MC9S12DJ64MPVE?
The MC9S12DJ64MPVE contains 64 KB (64K x 8) of on-chip Flash program memory. According to the NXP HCS12 datasheet, this Flash is in-circuit programmable through the Background Debug Mode (BDM) interface and is organized as a single 64K block, which is adequate for most automotive body and CAN gateway applications in this segment of the HCS12 family.
Does the MC9S12DJ64MPVE support CAN bus communication?
Yes. The MC9S12DJ64MPVE integrates two independent CAN 2.0 A/B controllers operating at up to 1 Mbps. The dual-CAN block is the main reason this part is designated 'DJ' in the HCS12 nomenclature, and it makes the MCU suitable for gateway nodes between body and powertrain CAN buses without an external transceiver controller.
How many I/O pins does the MC9S12DJ64MPVE provide?
The MC9S12DJ64MPVE exposes 91 general-purpose I/O lines from its 112-LQFP package. Several of these pins share functions with the timers, ADC, and serial peripherals, so the actual number of simultaneously available GPIOs depends on the peripheral allocation chosen by the developer.
What is the maximum CPU clock frequency of MC9S12DJ64MPVE?
The MC9S12DJ64MPVE runs the HCS12 CPU core at up to 25 MHz. This clock is typically derived from an internal oscillator with an external crystal reference, and 25 MHz is the top of the bus-speed range for the DJ64 sub-family, providing roughly 25 MIPS of throughput.
What is the difference between MC9S12DJ64MPVE and MC9S12D64MPVE?
The MC9S12DJ64MPVE includes the additional J-tag debugging subset and shares the same 64K Flash/4K RAM memory map as the MC9S12D64MPVE. Both are 112-LQFP and 25 MHz parts. The 'J' variant ships with enhanced diagnostics for production-line BDM testing, while the plain D64 is the cost-reduced production baseline for high-volume automotive programs.
Can the MC9S12DJ64MPVE be replaced by the MC9S12A64CPVE?
Yes for software-compatible peripherals, with caveats. The MC9S12A64CPVE moves to a higher-density 80-pin LQFP and a different memory map, so the swap requires PCB rework and firmware re-validation. As a pin-compatible 112-LQFP option, the closest drop-in is the MC9S12DJ128MPVE which doubles the Flash to 128 KB at the same 25 MHz bus speed.
Where can I buy the MC9S12DJ64MPVE?
The MC9S12DJ64MPVE is currently in stock at Rochester Electronics, NXP authorized distributors, and major catalog houses including DigiKey and Mouser. Inventory as of 2026-10-18 was reported at approximately 5,600 pieces across authorized channels. For long-term production programs, Rochester Electronics is the recommended franchised source because they hold bonded stock for mature NXP part numbers.
What is the typical unit price of MC9S12DJ64MPVE?
As of 2026-10-18, the MC9S12DJ64MPVE prices around USD 18.50 at qty 1, dropping to USD 10.75 at qty 1000 across authorized distributors. Volume automotive pricing through NXP direct or franchised channels is typically lower still. Always request a fresh quote for production-volume orders, since mature MCU pricing fluctuates with wafer allocation.
What is the lead time for MC9S12DJ64MPVE orders?
Authorized distributor lead time for the MC9S12DJ64MPVE is typically 4-8 weeks, with Rochester Electronics often able to ship from stock immediately for sample quantities. Because this part is in mature long-term production rather than EOL, customers planning volume programs should book inventory 6-9 months ahead of build.
Where can I download the MC9S12DJ64MPVE datasheet PDF?
The official MC9S12DJ64MPVE datasheet is available as a PDF from the NXP web site. FindIC also hosts a copy at https://www.findic.us/price/mc9s12dj64mpve-bQD7K7vEz.html. The document number and revision are stamped on the cover page; always check the revision letter to ensure you are reading the latest characterization data and errata list.
Where can I find the MC9S12DJ64MPVE pinout diagram?
The MC9S12DJ64MPVE pinout is documented in the device datasheet's 'Pinout and Signal Description' chapter. Because the part uses the 112-LQFP package (20x20 mm body, 0.65 mm pitch), the same physical pin ordering applies to all HCS12 parts in 112-LQFP, so the pin assignment in the DJ128 reference manual can be reused for the DJ64 variant.
Is the MC9S12DJ64MPVE suitable for automotive ECU designs?
Yes. The MC9S12DJ64MPVE is qualified to automotive temperature grades and AEC-Q100 standards typical of the HCS12 line. Its two CAN 2.0 controllers, 25 MHz CPU, and 91 I/O lines meet the requirements of body controllers, HVAC modules, instrument clusters, and gateway nodes that have used HCS12 silicon for over two decades.
How does the MC9S12DJ64MPVE compare to MC9S12DJ128MPVE?
The MC9S12DJ128MPVE is a drop-in upgrade path for the MC9S12DJ64MPVE, sharing the 112-LQFP package and 25 MHz bus speed while doubling Flash to 128 KB and RAM to 8 KB. Choose the DJ128 if your firmware is approaching the 64 KB ceiling; otherwise the DJ64 is more cost-effective. Both parts are sourced from the same HCS12 silicon family.
What development tools support MC9S12DJ64MPVE programming?
The MC9S12DJ64MPVE is supported by NXP's CodeWarrior for HCS12 (classic IDE), P&E Micro's USB-ML-12 BDM interface, and the open-source GCC for HCS12 (m68hc12 port). The Background Debug Mode (BDM) connector on the target board allows flash programming, real-time emulation, and on-chip breakpoint debug without an external ICE probe.
What can replace the MC9S12DJ64MPVE if it becomes obsolete?
If the MC9S12DJ64MPVE goes EOL, the closest drop-in replacements in the same 112-LQFP package are the MC9S12DJ128MPVE (128 KB Flash) and the MC9S12A64CPVE on the same HCS12 platform. For a deeper redesign, NXP's S12 MagniV S12ZVM or S32K1 families offer modern Cortex-M0+/M4F successors with similar peripheral mixes, though those require new toolchains and PCB layout.

Engineering reference data for MC9S12DJ64MPVE — comparison, design guidance, and compliance information.

Selection Guide

Choose the MC9S12DJ64MPVE when you need a 16-bit HCS12 microcontroller with dual CAN 2.0 controllers, 64 KB Flash, and 91 GPIO in a 112-LQFP for automotive body, HVAC, or industrial CAN nodes. Upgrade to the MC9S12DJ128MPVE if your firmware is approaching the 64 KB ceiling, since the part is pin-compatible. Drop to the MC9S12D64MPVE (no J-tag) when production volume justifies trimming per-unit cost. For new designs with no legacy HCS12 codebase, consider the S12 MagniV or S32K1 families instead - they require new toolchains and PCB layouts but provide Cortex-M cores with similar peripheral sets.

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
Compliant
REACH
Compliant
AEC-Q100
Qualified
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

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.

Data verified on: 2026-10-18 — data verified and curated by XAIPART's component engineering team

Related Searches

MC9S12DJ64MPVE MC9S12DJ64MPVE datasheet MC9S12DJ64MPVE pinout NXP HCS12 64KB Flash microcontroller 112-LQFP 16-bit automotive MCU HCS12 dual CAN 25MHz MCU MC9S12DJ64MPVE automotive body control module MC9S12DJ64MPVE vs MC9S12DJ128MPVE MC9S12DJ64MPVE price buy MC9S12DJ64MPVE drop-in replacement HCS12 BDM CodeWarrior development MC9S12DJ64MPVE obsolete EOL

Related Components & Terms

NXP Semiconductors MC9S12DJ64MPVE MC9S12DJ128MPVE MC9S12D64MPVE MC9S12A64CPVE HCS12 microcontroller MCU 16-bit CISC 112-LQFP LQFP package family CAN 2.0 A/B SCI SPI I2C PWM watchdog timer AEC-Q100 RoHS REACH automotive body control instrument cluster HVAC control module Background Debug Mode Freescale Semiconductor
Quick Quote RFQ
Fill in complete details — our sales team will respond within 24 hours
Part Number Manufacturer Package QTY Target Price Extended
Total: $0.00 USD
✓
Quote submitted!

We will respond to your email within 24 hours

1
RFQ Submitted
2
Quote Received
3
Order Placed
4
Payment
5
Shipped
6
Delivered
View RFQ Details