MC9S12DJ128MPVE - 16-bit HCS12 MCU, 128KB Flash | NXP
N.º da peça: MC9S12DJ128MPVE ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $31.51 | $31,51 |
| 10 | $28.4 | $284,00 |
| 100 | $24.85 | $2.485,00 |
| 500 | $21.6 | $10.800,00 |
| 1.000 | $19.25 | $19.250,00 |
MC9S12DJ128MPVE Visão geral
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.
Alternativas drop-in para MC9S12DJ128MPVE — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC9S12DJ128MPVE (mesmo formato e footprint) — diferindo em Core Architecture, Operating Temperature, Supply Voltage, Package, EEPROM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12DG128CPVE
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12DT128VPVE
✅ Drop-In✓ Em estoque
$9.21 / unidade
Ver ficha técnica →MC9S12DT128CPVE
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12A256CPVE
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC908AZ32ACFUE
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12DJ128MPVE Classificações máximas e características elétricas
| 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) |
| Tensão de alimentação | 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 |
| Encapsulamento | 112-LQFP (20x20 mm) |
| Temperatura de operação | -40C to +125C (automotive grade) |
| Tipo de montagem | Surface Mount |
| Debug Interface | BDM (Background Debug Mode) |
| Status RoHS | Compliant |
Configuração de pinos do MC9S12DJ128MPVE
| Pino 1 | XCLKS — Clock mode select (external clock/lock select) |
| Pino 2 | PE7 — Port E bit 7 / PWM channel 7 / XBUS address |
| Pino 3 | PE6 — Port E bit 6 / PWM channel 6 / XBUS address |
| Pino 4 | PE5 — Port E bit 5 / PWM channel 5 / XBUS address |
| Pino 5 | PE4 — Port E bit 4 / PWM channel 4 / XBUS address |
| Pino 6 | PE3 — Port E bit 3 / TCLK input |
| Pino 7 | PE2 — Port E bit 2 / TCLK input |
| Pino 8 | PE1 — Port E bit 1 / XIRQ interrupt |
| Pino 9 | PE0 — Port E bit 0 / IRQ interrupt |
| Pino 10 | PK7 — Port K bit 7 / ECS / XBUS |
| Pino 11 | PK6 — Port K bit 6 / ECS / XBUS |
| Pino 12 | PK5 — Port K bit 5 / XBUS |
| Pino 13 | PK4 — Port K bit 4 / XBUS |
| Pino 14 | PK3 — Port K bit 3 / XBUS |
| Pino 15 | PK2 — Port K bit 2 / XBUS |
| Pino 16 | PK1 — Port K bit 1 / XBUS |
| Pino 17 | PK0 — Port K bit 0 / XBUS |
| Pino 18 | VDDR — Voltage regulator supply (regulated output) |
| Pino 19 | VSS — Ground |
| Pino 20 | VDD — Digital supply voltage 2.5V |
| Pino 21 | VSS — Ground |
| Pino 22 | EXTAL — External oscillator input |
| Pino 23 | XTAL — External oscillator output |
| Pino 24 | RESET — Reset input (active low) |
| Pino 25 | BKGD — Background Debug Mode (BDM) data |
| Pino 26 | MODC — Mode select (BDM/normal mode) |
| Pino 27 | PAD0 — Port AD bit 0 / AN0 / ATD input |
| Pino 28 | PAD1 — Port AD bit 1 / AN1 / ATD input |
| Pino 29 | PAD2 — Port AD bit 2 / AN2 / ATD input |
| Pino 30 | PAD3 — Port AD bit 3 / AN3 / ATD input |
| Pino 31 | PAD4 — Port AD bit 4 / AN4 / ATD input |
| Pino 32 | PAD5 — Port AD bit 5 / AN5 / ATD input |
| Pino 33 | PAD6 — Port AD bit 6 / AN6 / ATD input |
| Pino 34 | PAD7 — Port AD bit 7 / AN7 / ATD input |
| Pino 35 | PAD8 — Port AD bit 8 / AN8 |
| Pino 36 | PAD9 — Port AD bit 9 / AN9 |
| Pino 37 | PAD10 — Port AD bit 10 / AN10 |
| Pino 38 | PAD11 — Port AD bit 11 / AN11 |
| Pino 39 | PAD12 — Port AD bit 12 / AN12 |
| Pino 40 | PAD13 — Port AD bit 13 / AN13 |
| Pino 41 | PAD14 — Port AD bit 14 / AN14 |
| Pino 42 | PAD15 — Port AD bit 15 / AN15 |
| Pino 43 | VDDA — Analog supply voltage |
| Pino 44 | VSSA — Analog ground |
| Pino 45 | VRH — ADC high reference voltage |
| Pino 46 | VRL — ADC low reference voltage |
| Pino 47 | PS7 — Port S bit 7 / SS / MISO / TXD1 |
| Pino 48 | PS6 — Port S bit 6 / SCK / RXD1 |
| Pino 49 | PS5 — Port S bit 5 / MOSI / TXD2 |
| Pino 50 | PS4 — Port S bit 4 / MISO / RXD2 |
| Pino 51 | PS3 — Port S bit 3 / SS / TXD1 |
| Pino 52 | PS2 — Port S bit 2 / SCK / RXD1 |
| Pino 53 | PS1 — Port S bit 1 / SDA / MOSI |
| Pino 54 | PS0 — Port S bit 0 / SCL / SCK |
| Pino 55 | PT7 — Port T bit 7 / IOC7 |
| Pino 56 | PT6 — Port T bit 6 / IOC6 |
| Pino 57 | PT5 — Port T bit 5 / IOC5 |
| Pino 58 | PT4 — Port T bit 4 / IOC4 |
| Pino 59 | PT3 — Port T bit 3 / IOC3 |
| Pino 60 | PT2 — Port T bit 2 / IOC2 |
| Pino 61 | PT1 — Port T bit 1 / IOC1 |
| Pino 62 | PT0 — Port T bit 0 / IOC0 |
| Pino 63 | PJ7 — Port J bit 7 / SCL / TXCAN |
| Pino 64 | PJ6 — Port J bit 6 / SDA / RXCAN |
| Pino 65 | PJ5 — Port J bit 5 / MOSI |
| Pino 66 | PJ4 — Port J bit 4 / MISO |
| Pino 67 | PJ3 — Port J bit 3 / SCK |
| Pino 68 | PJ2 — Port J bit 2 / SS |
| Pino 69 | PJ1 — Port J bit 1 / TXD0 |
| Pino 70 | PJ0 — Port J bit 0 / RXD0 |
| Pino 71 | PP7 — Port P bit 7 / PWM7 |
| Pino 72 | PP6 — Port P bit 6 / PWM6 |
| Pino 73 | PP5 — Port P bit 5 / PWM5 |
| Pino 74 | PP4 — Port P bit 4 / PWM4 |
| Pino 75 | PP3 — Port P bit 3 / PWM3 |
| Pino 76 | PP2 — Port P bit 2 / PWM2 |
| Pino 77 | PP1 — Port P bit 1 / PWM1 |
| Pino 78 | PP0 — Port P bit 0 / PWM0 |
| Pino 79 | PM7 — Port M bit 7 / TXCAN |
| Pino 80 | PM6 — Port M bit 6 / RXCAN |
| Pino 81 | PM5 — Port M bit 5 / TXCAN4 |
| Pino 82 | PM4 — Port M bit 4 / RXCAN4 |
| Pino 83 | PM3 — Port M bit 3 / TXCAN0 |
| Pino 84 | PM2 — Port M bit 2 / RXCAN0 |
| Pino 85 | PM1 — Port M bit 1 / TXCAN1 |
| Pino 86 | PM0 — Port M bit 0 / RXCAN1 |
| Pino 87 | PH7 — Port H bit 7 / SS |
| Pino 88 | PH6 — Port H bit 6 / SCK |
| Pino 89 | PH5 — Port H bit 5 / MOSI |
| Pino 90 | PH4 — Port H bit 4 / MISO |
| Pino 91 | PH3 — Port H bit 3 / SS1 |
| Pino 92 | PH2 — Port H bit 2 / SCK1 |
| Pino 93 | PH1 — Port H bit 1 / MOSI1 |
| Pino 94 | PH0 — Port H bit 0 / MISO1 |
| Pino 95 | VDD — Digital supply voltage 2.5V |
| Pino 96 | VSS — Ground |
| Pino 97 | PB7 — Port B bit 7 / address |
| Pino 98 | PB6 — Port B bit 6 / address |
| Pino 99 | PB5 — Port B bit 5 / address |
| Pino 100 | PB4 — Port B bit 4 / address |
| Pino 101 | PB3 — Port B bit 3 / address |
| Pino 102 | PB2 — Port B bit 2 / address |
| Pino 103 | PB1 — Port B bit 1 / address |
| Pino 104 | PB0 — Port B bit 0 / address |
| Pino 105 | PA7 — Port A bit 7 / address / data |
| Pino 106 | PA6 — Port A bit 6 / address / data |
| Pino 107 | PA5 — Port A bit 5 / address / data |
| Pino 108 | PA4 — Port A bit 4 / address / data |
| Pino 109 | PA3 — Port A bit 3 / address / data |
| Pino 110 | PA2 — Port A bit 2 / address / data |
| Pino 111 | PA1 — Port A bit 1 / address / data |
| Pino 112 | PA0 — Port A bit 0 / address / data |
Aplicações típicas
MC9S12DJ128MPVE é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12DJ128MPVE — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Dual 8-channel 10-bit ADC versus single ADC bank on older MCUs (vs MC908AZ32ACFUE)
- HCS12 16-bit core with 25MHz bus versus HC08 8-bit at 8.4MHz (vs MC908AZ32ACFUE)
- Same-package upgrade path to 256KB Flash (vs MC9S12A256CPVE)
Notas de projeto
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.
Informações de conformidade
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.
