MC9S12DJ128MPVE - 16-bit HCS12 MCU, 128KB Flash | NXP
MPN: MC9S12DJ128MPVE ✗ סוף ייצורMC9S12DJ128MPVE סקירה
A microcontroller (MCU) is an integrated circuit containing a CPU, memory and peripherals on a single die, used to control embedded systems. The HCS12 is a 16-bit CISC architecture from Freescale (now NXP) widely deployed in automotive body, chassis and industrial control. Within the broader semiconductor taxonomy, an MCU belongs to microcontrollers -> microprocessors -> logic ICs -> integrated circuits. The MC9S12DJ128MPVE targets designs requiring deterministic real-time behaviour, on-chip CAN-style networking, and ample Flash for protocol stacks.
Key differentiating features include the dual-ADC architecture (16 channels of 10-bit sampling), 8-channel PWM for motor or lighting control, integrated CAN-style networking peripherals, and background debug mode (BDM) for in-circuit non-intrusive debugging. The 128KB Flash supports in-application reprogramming via the internal Flash controller, enabling firmware updates without external boot ROM.
Typical applications include automotive body controllers, HVAC control modules, industrial sensor hubs, CAN node endpoints, and 16-bit legacy upgrade paths from older HC11/HC12 designs. The wide operating temperature range suits under-hood and industrial environments.
When designing with this MCU, allocate a 4.7uF to 10uF decoupling capacitor bank near each VDD/VSS pair, route the oscillator pins with a guarded ground return, and use the BDM interface for production programming. Engineers migrating from HC11 should consult NXP application note AN2466 for memory mapping differences.
This page synthesises distributor pricing, drop-in HCS12 family alternatives, and practical design notes not found in the manufacturer datasheet alone.
חלופות תחליף ישיר עבור MC9S12DJ128MPVE — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MC9S12DJ128MPVE (אותו גורם צורה וטביעת רגל) — שונים ב Core Architecture, Operating Temperature, Supply Voltage, Package, EEPROM.
MC9S12DG128CPVE
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12DT128VPVE
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12DT128CPVE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12A256CPVE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC908AZ32ACFUE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12DJ128MPVE דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | HCS12 (16-bit CISC) |
| Program Memory (Flash) | 128 KB (128K x 8) |
| RAM | 8 KB |
| EEPROM | 2 KB |
| Maximum CPU Clock | 25 MHz (50 MHz internal bus via PLL, see datasheet) |
| מתח אספקה | 2.35 V to 2.75 V (single 2.5V nominal) |
| Digital I/O Pins | 59 |
| ADC | 2x 8-channel, 10-bit |
| PWM Channels | 8 |
| SCI (UART) | 2 |
| SPI | 1 |
| I2C (Inter-IC Bus) | 1 |
| מארז | 112-LQFP (20x20 mm) |
| טמפרטורת פעולה | -40C to +125C (automotive grade) |
| סוג הרכבה | Surface Mount |
| Debug Interface | BDM (Background Debug Mode) |
| סטטוס RoHS | Compliant |
תצורת פינים של MC9S12DJ128MPVE
| פין 1 | XCLKS — Clock mode select (external clock/lock select) |
| פין 2 | PE7 — Port E bit 7 / PWM channel 7 / XBUS address |
| פין 3 | PE6 — Port E bit 6 / PWM channel 6 / XBUS address |
| פין 4 | PE5 — Port E bit 5 / PWM channel 5 / XBUS address |
| פין 5 | PE4 — Port E bit 4 / PWM channel 4 / XBUS address |
| פין 6 | PE3 — Port E bit 3 / TCLK input |
| פין 7 | PE2 — Port E bit 2 / TCLK input |
| פין 8 | PE1 — Port E bit 1 / XIRQ interrupt |
| פין 9 | PE0 — Port E bit 0 / IRQ interrupt |
| פין 10 | PK7 — Port K bit 7 / ECS / XBUS |
| פין 11 | PK6 — Port K bit 6 / ECS / XBUS |
| פין 12 | PK5 — Port K bit 5 / XBUS |
| פין 13 | PK4 — Port K bit 4 / XBUS |
| פין 14 | PK3 — Port K bit 3 / XBUS |
| פין 15 | PK2 — Port K bit 2 / XBUS |
| פין 16 | PK1 — Port K bit 1 / XBUS |
| פין 17 | PK0 — Port K bit 0 / XBUS |
| פין 18 | VDDR — Voltage regulator supply (regulated output) |
| פין 19 | VSS — Ground |
| פין 20 | VDD — Digital supply voltage 2.5V |
| פין 21 | VSS — Ground |
| פין 22 | EXTAL — External oscillator input |
| פין 23 | XTAL — External oscillator output |
| פין 24 | RESET — Reset input (active low) |
| פין 25 | BKGD — Background Debug Mode (BDM) data |
| פין 26 | MODC — Mode select (BDM/normal mode) |
| פין 27 | PAD0 — Port AD bit 0 / AN0 / ATD input |
| פין 28 | PAD1 — Port AD bit 1 / AN1 / ATD input |
| פין 29 | PAD2 — Port AD bit 2 / AN2 / ATD input |
| פין 30 | PAD3 — Port AD bit 3 / AN3 / ATD input |
| פין 31 | PAD4 — Port AD bit 4 / AN4 / ATD input |
| פין 32 | PAD5 — Port AD bit 5 / AN5 / ATD input |
| פין 33 | PAD6 — Port AD bit 6 / AN6 / ATD input |
| פין 34 | PAD7 — Port AD bit 7 / AN7 / ATD input |
| פין 35 | PAD8 — Port AD bit 8 / AN8 |
| פין 36 | PAD9 — Port AD bit 9 / AN9 |
| פין 37 | PAD10 — Port AD bit 10 / AN10 |
| פין 38 | PAD11 — Port AD bit 11 / AN11 |
| פין 39 | PAD12 — Port AD bit 12 / AN12 |
| פין 40 | PAD13 — Port AD bit 13 / AN13 |
| פין 41 | PAD14 — Port AD bit 14 / AN14 |
| פין 42 | PAD15 — Port AD bit 15 / AN15 |
| פין 43 | VDDA — Analog supply voltage |
| פין 44 | VSSA — Analog ground |
| פין 45 | VRH — ADC high reference voltage |
| פין 46 | VRL — ADC low reference voltage |
| פין 47 | PS7 — Port S bit 7 / SS / MISO / TXD1 |
| פין 48 | PS6 — Port S bit 6 / SCK / RXD1 |
| פין 49 | PS5 — Port S bit 5 / MOSI / TXD2 |
| פין 50 | PS4 — Port S bit 4 / MISO / RXD2 |
| פין 51 | PS3 — Port S bit 3 / SS / TXD1 |
| פין 52 | PS2 — Port S bit 2 / SCK / RXD1 |
| פין 53 | PS1 — Port S bit 1 / SDA / MOSI |
| פין 54 | PS0 — Port S bit 0 / SCL / SCK |
| פין 55 | PT7 — Port T bit 7 / IOC7 |
| פין 56 | PT6 — Port T bit 6 / IOC6 |
| פין 57 | PT5 — Port T bit 5 / IOC5 |
| פין 58 | PT4 — Port T bit 4 / IOC4 |
| פין 59 | PT3 — Port T bit 3 / IOC3 |
| פין 60 | PT2 — Port T bit 2 / IOC2 |
| פין 61 | PT1 — Port T bit 1 / IOC1 |
| פין 62 | PT0 — Port T bit 0 / IOC0 |
| פין 63 | PJ7 — Port J bit 7 / SCL / TXCAN |
| פין 64 | PJ6 — Port J bit 6 / SDA / RXCAN |
| פין 65 | PJ5 — Port J bit 5 / MOSI |
| פין 66 | PJ4 — Port J bit 4 / MISO |
| פין 67 | PJ3 — Port J bit 3 / SCK |
| פין 68 | PJ2 — Port J bit 2 / SS |
| פין 69 | PJ1 — Port J bit 1 / TXD0 |
| פין 70 | PJ0 — Port J bit 0 / RXD0 |
| פין 71 | PP7 — Port P bit 7 / PWM7 |
| פין 72 | PP6 — Port P bit 6 / PWM6 |
| פין 73 | PP5 — Port P bit 5 / PWM5 |
| פין 74 | PP4 — Port P bit 4 / PWM4 |
| פין 75 | PP3 — Port P bit 3 / PWM3 |
| פין 76 | PP2 — Port P bit 2 / PWM2 |
| פין 77 | PP1 — Port P bit 1 / PWM1 |
| פין 78 | PP0 — Port P bit 0 / PWM0 |
| פין 79 | PM7 — Port M bit 7 / TXCAN |
| פין 80 | PM6 — Port M bit 6 / RXCAN |
| פין 81 | PM5 — Port M bit 5 / TXCAN4 |
| פין 82 | PM4 — Port M bit 4 / RXCAN4 |
| פין 83 | PM3 — Port M bit 3 / TXCAN0 |
| פין 84 | PM2 — Port M bit 2 / RXCAN0 |
| פין 85 | PM1 — Port M bit 1 / TXCAN1 |
| פין 86 | PM0 — Port M bit 0 / RXCAN1 |
| פין 87 | PH7 — Port H bit 7 / SS |
| פין 88 | PH6 — Port H bit 6 / SCK |
| פין 89 | PH5 — Port H bit 5 / MOSI |
| פין 90 | PH4 — Port H bit 4 / MISO |
| פין 91 | PH3 — Port H bit 3 / SS1 |
| פין 92 | PH2 — Port H bit 2 / SCK1 |
| פין 93 | PH1 — Port H bit 1 / MOSI1 |
| פין 94 | PH0 — Port H bit 0 / MISO1 |
| פין 95 | VDD — Digital supply voltage 2.5V |
| פין 96 | VSS — Ground |
| פין 97 | PB7 — Port B bit 7 / address |
| פין 98 | PB6 — Port B bit 6 / address |
| פין 99 | PB5 — Port B bit 5 / address |
| פין 100 | PB4 — Port B bit 4 / address |
| פין 101 | PB3 — Port B bit 3 / address |
| פין 102 | PB2 — Port B bit 2 / address |
| פין 103 | PB1 — Port B bit 1 / address |
| פין 104 | PB0 — Port B bit 0 / address |
| פין 105 | PA7 — Port A bit 7 / address / data |
| פין 106 | PA6 — Port A bit 6 / address / data |
| פין 107 | PA5 — Port A bit 5 / address / data |
| פין 108 | PA4 — Port A bit 4 / address / data |
| פין 109 | PA3 — Port A bit 3 / address / data |
| פין 110 | PA2 — Port A bit 2 / address / data |
| פין 111 | PA1 — Port A bit 1 / address / data |
| פין 112 | PA0 — Port A bit 0 / address / data |
יישומים טיפוסיים
MC9S12DJ128MPVE מתאים עבור 6 יישוםs: Automotive Body Control Module, Industrial Sensor Hub / PLC Slice, HVAC Climate Control Module, CAN Node Endpoint / Gateway, 16-bit Legacy Upgrade from HC11/HC12, Motor Control and Lighting PWM.
Automotive Body Control Module
The MC9S12DJ128MPVE fits automotive body controllers because its 128KB Flash and 8KB RAM support CAN-style networking stacks plus body-control firmware in a single die. The 112-LQFP package gives 59 digital I/O lines, enough to drive lighting, door, mirror and wiper loads through FET pre-drivers. The dual 8-channel 10-bit ADC pair provides 16 analog inputs for current sensing and switch reading. Its -40C to +125C qualification matches under-hood and cabin environments, while the BDM debug port supports production-line programming. Compared with HC11 predecessors, the HCS12 core delivers roughly 2x the MIPS at the same 25MHz bus, enabling more sophisticated body-network firmware without changing the PCB footprint.
מומלץ
Industrial Sensor Hub / PLC Slice
The MC9S12DJ128MPVE suits industrial sensor hubs because its dual 10-bit ADC bank provides 16 analog channels for thermocouples, 4-20mA loops and bridge sensors. The 128KB Flash holds Modbus, PROFIBUS or CANopen protocol stacks alongside control logic. Two SCI ports enable simultaneous RS-232/RS-485 master plus slave links, while the SPI bus drives external DACs and digital potentiometers. The 2.35V to 2.75V single-supply rail simplifies EMC-compliant industrial designs, and the 112-LQFP package aids hand-rework during prototyping. Engineers value the deterministic HCS12 interrupt latency, critical for closed-loop control loops in PLC slice applications where timing jitter cannot be tolerated.
מומלץ
HVAC Climate Control Module
The MC9S12DJ128MPVE is well matched to HVAC climate control modules because its 8-channel PWM directly drives brushless DC fan motors and stepper-motor damper actuators without external pulse-train hardware. The dual 10-bit ADC reads multiple temperature sensors (NTC thermistors) and humidity probes concurrently, while the SCI ports communicate with the vehicle CAN bus for setpoint commands. The 128KB Flash stores the climate-control algorithm plus diagnostic trouble codes (DTCs), and 8KB RAM accommodates lookup tables for airflow characterisation. The -40C to +125C automotive temperature grade ensures reliable operation in cabin and under-hood HVAC locations, and the 112-LQFP footprint supports standard four-layer PCB designs.
מומלץ
CAN Node Endpoint / Gateway
For CAN node endpoints and simple gateways, the MC9S12DJ128MPVE provides the HCS12 core plus on-chip timers and SCI/SPI/I2C peripherals that, with an external CAN transceiver, implement a CAN node capable of 125 kbit/s to 1 Mbit/s operation. The 128KB Flash comfortably stores CANopen or DeviceNet protocol stacks, and the 2KB EEPROM retains node configuration and address across power cycles. The BDM port enables in-circuit firmware updates without bus traffic interruption. Compared with newer S12Z parts, this DJ128 variant trades raw throughput for cost-effectiveness in volume CAN deployments.
מומלץ
16-bit Legacy Upgrade from HC11/HC12
Designers migrating from Motorola HC11 or older HC12 designs find the MC9S12DJ128MPVE attractive because the HCS12 core preserves the HC11 instruction set while delivering higher code density and faster execution. The 112-LQFP package fits existing PCB layouts with the same 0.65 mm pitch as legacy HC12 QFP packages, minimising mechanical rework. The 128KB Flash supports direct porting of HC11 firmware with minimal re-assembly, and the existing development toolchains (CodeWarrior, Cosmic, IAR) work unchanged. This makes the DJ128 an excellent bridge for legacy products where full PCB redesign is not economical.
מומלץ
Motor Control and Lighting PWM
The MC9S12DJ128MPVE integrates an 8-channel PWM block suitable for small DC and stepper motor control plus LED lighting dimming. Each PWM channel offers programmable duty and frequency, enabling closed-loop PID control of brushed DC motors, solenoids, and RGB LED strips. The dual 10-bit ADC samples motor current or LED driver feedback simultaneously with the PWM update, allowing hardware-triggered conversions tightly synchronised to the PWM edge - critical for high-resolution current sensing. The 128KB Flash holds sensorless commutation tables, while the 59 I/O lines provide ample headroom for H-bridge FET pre-drivers and discrete status LEDs.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MC9S12DJ128MPVE — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | MC9S12DG128CPVE | MC9S12DT128VPVE | MC9S12DT128CPVE | MC9S12A256CPVE | MC908AZ32ACFUE |
|---|---|---|---|---|---|---|
| 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 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HC08 (8-bit) |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB | 32 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 12 KB | 1 KB |
| EEPROM | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB | 0.5 KB |
| CPU Clock | 25 MHz (50 MHz internal) | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 8.4 MHz |
| ADC Channels | 16 (2x 8-ch, 10-bit) | 16 (10-bit) | 16 (10-bit) | 16 (10-bit) | 16 (10-bit) | 8 (8-bit) |
| PWM Channels | 8 | 8 | 8 | 8 | 8 | 6 |
| Operating Voltage | 2.35V - 2.75V | 2.35V - 2.75V | 2.35V - 2.75V | 2.35V - 2.75V | 2.35V - 2.75V | 3.0V - 5.5V |
מבדילים עיקריים
- Dual 8-channel 10-bit ADC versus single ADC bank on older MCUs (לעומתMC908AZ32ACFUE)
- HCS12 16-bit core with 25MHz bus versus HC08 8-bit at 8.4MHz (לעומתMC908AZ32ACFUE)
- Same-package upgrade path to 256KB Flash (לעומתMC9S12A256CPVE)
הערות תכנון
The MC9S12DJ128MPVE requires a tightly regulated 2.5V supply (2.35V to 2.75V). Use a low-dropout regulator such as the NXP TLV1117-25 or equivalent from the input 5V rail. Place a 4.7uF bulk capacitor and a 0.1uF decoupling capacitor within 5 mm of each VDD/VSS pin pair. The VDDR pin requires its own 4.7uF capacitor to stabilise the internal voltage regulator. Estimated: at 25MHz CPU and full peripheral activity, core current is approximately 50 mA, requiring the LDO to dissipate (5V - 2.5V) * 0.050A = 0.125W.
Route the EXTAL and XTAL traces as a guarded differential pair with a continuous ground return on the layer beneath. Place load capacitors (typically 10-22 pF) close to the MCU pins, with values selected per crystal manufacturer specifications for the target load capacitance (typically 12-16 pF). For automotive designs requiring high EMI immunity, use a four-layer PCB with the oscillator ground island isolated from noisy digital returns.
Avoid the common pitfall of leaving the BKGD/MODC pins floating during reset - both must be pulled to defined logic levels for normal operation mode entry. The MODC pin should be tied high through a 10k resistor for normal mode, or low for BDM mode. The RESET pin requires an external pull-up to VDD and a 1 nF capacitor for noise filtering; absence of this network causes spurious resets in electrically noisy automotive environments.
מידע על תאימות
RoHS and lead-free per NXP product page. AEC-Q100 qualified for automotive applications (-40C to +125C). REACH SVHC compliance should be verified against the latest NXP declaration document.
