MC9S12XDT256MAL - 16-bit HCS12X MCU, 256KB Flash, 80MHz | NXP
MPN: MC9S12XDT256MAL ✗ Akhir HidupMC9S12XDT256MAL Ringkasan
An automotive microcontroller is a single-chip computer integrating CPU, memory, I/O peripherals, and communication interfaces designed to operate reliably in harsh vehicle environments (under-hood temperature swings, EMI, vibration). Within the broader semiconductor hierarchy, microcontrollers belong to integrated circuits -> microcontrollers -> 16-bit/32-bit MCUs -> automotive-grade ECUs. The MC9S12XDT256MAL sits in the HCS12X family targeted at body electronics, gateway modules, and central body controllers requiring LIN/CAN connectivity and real-time determinism.
Key features include 256KB on-chip Flash (256K x 8), 2.5V/5V supply operation, integrated CAN and SCI/SPI peripherals, PWM and timer modules for motor control, and an A/D converter for sensor acquisition. The device supports extended operating temperature ranges appropriate for automotive AEC-Q100 qualified applications. The 112-LQFP package provides ample I/O for body controller requirements.
Technically, the HCS12X core delivers up to 80MHz bus clock with sophisticated interrupt handling, while XGATE co-processors allow deterministic peripheral servicing without CPU intervention. The architecture balances Flash endurance, EEPROM emulation, and security features such as memory protection units, making it suitable for locked-immobilizer-style applications seen in central body modules.
Typical applications include automotive body ECUs, central body modules with immobilizer functions, gateway ECUs bridging CAN/LIN networks, instrument cluster controllers, climate control modules, and industrial CAN-based control nodes. The 16-bit core, automotive temperature grade, and AEC-Q100 lineage make this MCU well-matched to vehicle networks where deterministic response and reliability are mandatory.
When designing with this part, ensure proper decoupling near all supply pins, follow NXP's recommended oscillator layout guidelines for EMC compliance, and confirm extended-temperature qualification against your application's thermal envelope. Designers migrating from older HCS12 parts benefit from full instruction-set compatibility, simplifying firmware porting.
This page consolidates distributor pricing, drop-in alternatives within the HCS12X family, and practical design notes not found in the manufacturer datasheet summary.
Alternatif penggantian untuk MC9S12XDT256MAL — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian MC9S12XDT256MAL (sama faktor bentuk dan footprint) — berbeda di dalam Supply Voltage, Package, ADC, Core Architecture, Operating Temperature.
MC9S12XDT256MAA
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XD256MAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XDQ256MAG
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12DT256BMPV
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12HZ256CAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XDT256MAL Rating Maksimal & Karakteristik Listrik
| Core Architecture | HCS12X (16-bit CISC) |
| Program Memory (Flash) | 256KB (256K x 8) |
| Maximum CPU Clock | 80 MHz |
| Bus Frequency | 40 MHz (typical, derived from 80MHz core) |
| Tegangan Pemuat | 2.5V / 5V |
| Suhu Kerja | -40C to +125C (automotive grade) |
| Paket | 112-pin LQFP (20x20 mm) |
| Tipe Mounting | Surface Mount |
| Communication Interfaces | CAN, SCI (UART), SPI, I2C |
| ADC | 10/12-bit (model dependent) |
| Instruction Set Compatibility | Upward compatible with HCS12 |
| Co-processor | XGATE peripheral co-processor |
| Automotive Qualification | AEC-Q100 qualified |
| Status RoHS | Compliant |
| Level MSL | 3 (per JEDEC J-STD-020) |
Konfigurasi Pin MC9S12XDT256MAL
| Pin produk 1 | BKGD — Background Debug Mode pin |
| Pin produk 2 | PA0 — Port A bit 0 (general I/O) |
| Pin produk 3 | PA1 — Port A bit 1 (general I/O) |
| Pin produk 4 | PA2 — Port A bit 2 (general I/O) |
| Pin produk 5 | PA3 — Port A bit 3 (general I/O) |
| Pin produk 6 | PA4 — Port A bit 4 (general I/O) |
| Pin produk 7 | PA5 — Port A bit 5 (general I/O) |
| Pin produk 8 | PA6 — Port A bit 6 (general I/O) |
| Pin produk 9 | PA7 — Port A bit 7 (general I/O) |
| Pin produk 10 | VSS — Ground |
| Pin produk 11 | VDDR — I/O supply voltage |
| Pin produk 12 | VDDX — External voltage regulator supply |
| Pin produk 13 | VSSX — Voltage regulator ground |
| Pin produk 14 | RESET — External reset input (active low) |
| Pin produk 15 | VSSPLL — PLL ground |
| Pin produk 16 | VDDPLL — PLL supply voltage |
| Pin produk 17 | EXTAL — External oscillator input |
| Pin produk 18 | XTAL — External oscillator output |
| Pin produk 19 | TEST — Test mode pin (must be tied high in normal operation) |
| Pin produk 20 | VSS — Ground |
| Pin produk 21 | VDD — Core supply voltage (2.5V regulated) |
| Pin produk 22 | PP0 — Port P bit 0 (PWM/timer) |
| Pin produk 23 | PP1 — Port P bit 1 (PWM/timer) |
| Pin produk 24 | PP2 — Port P bit 2 (PWM/timer) |
| Pin produk 25 | PP3 — Port P bit 3 (PWM/timer) |
| Pin produk 26 | PP4 — Port P bit 4 (PWM/timer) |
| Pin produk 27 | PP5 — Port P bit 5 (PWM/timer) |
| Pin produk 28 | PP6 — Port P bit 6 (PWM/timer) |
| Pin produk 29 | PP7 — Port P bit 7 (PWM/timer) |
| Pin produk 30 | PJ0 — Port J bit 0 |
| Pin produk 31 | PJ1 — Port J bit 1 |
| Pin produk 32 | PJ2 — Port J bit 2 |
| Pin produk 33 | PJ3 — Port J bit 3 |
| Pin produk 34 | PJ4 — Port J bit 4 |
| Pin produk 35 | PJ5 — Port J bit 5 |
| Pin produk 36 | PJ6 — Port J bit 6 |
| Pin produk 37 | PJ7 — Port J bit 7 |
| Pin produk 38 | PK0 — Port K bit 0 |
| Pin produk 39 | PK1 — Port K bit 1 |
| Pin produk 40 | PK2 — Port K bit 2 |
| Pin produk 41 | PK3 — Port K bit 3 |
| Pin produk 42 | PK4 — Port K bit 4 |
| Pin produk 43 | PK5 — Port K bit 5 |
| Pin produk 44 | PK6 — Port K bit 6 |
| Pin produk 45 | PK7 — Port K bit 7 |
| Pin produk 46 | PM0 — Port M bit 0 |
| Pin produk 47 | PM1 — Port M bit 1 |
| Pin produk 48 | PM2 — Port M bit 2 |
| Pin produk 49 | PM3 — Port M bit 3 |
| Pin produk 50 | PM4 — Port M bit 4 |
| Pin produk 51 | PM5 — Port M bit 5 |
| Pin produk 52 | PM6 — Port M bit 6 |
| Pin produk 53 | PM7 — Port M bit 7 |
| Pin produk 54 | PS0 — Port S bit 0 (SPI/SI) |
| Pin produk 55 | PS1 — Port S bit 1 (SPI/SO) |
| Pin produk 56 | PS2 — Port S bit 2 (SPI/SCK) |
| Pin produk 57 | PS3 — Port S bit 3 (SPI/SS) |
| Pin produk 58 | PS4 — Port S bit 4 |
| Pin produk 59 | PS5 — Port S bit 5 |
| Pin produk 60 | PS6 — Port S bit 6 |
| Pin produk 61 | PS7 — Port S bit 7 |
| Pin produk 62 | PT0 — Port T bit 0 (timer) |
| Pin produk 63 | PT1 — Port T bit 1 (timer) |
| Pin produk 64 | PT2 — Port T bit 2 (timer) |
| Pin produk 65 | PT3 — Port T bit 3 (timer) |
| Pin produk 66 | PT4 — Port T bit 4 (timer) |
| Pin produk 67 | PT5 — Port T bit 5 (timer) |
| Pin produk 68 | PT6 — Port T bit 6 (timer) |
| Pin produk 69 | PT7 — Port T bit 7 (timer) |
| Pin produk 70 | PAD00 — A/D converter input channel 0 |
| Pin produk 71 | PAD01 — A/D converter input channel 1 |
| Pin produk 72 | PAD02 — A/D converter input channel 2 |
| Pin produk 73 | PAD03 — A/D converter input channel 3 |
| Pin produk 74 | PAD04 — A/D converter input channel 4 |
| Pin produk 75 | PAD05 — A/D converter input channel 5 |
| Pin produk 76 | PAD06 — A/D converter input channel 6 |
| Pin produk 77 | PAD07 — A/D converter input channel 7 |
| Pin produk 78 | VRH — A/D high reference voltage |
| Pin produk 79 | VRL — A/D low reference voltage |
| Pin produk 80 | VDDA — A/D supply voltage |
| Pin produk 81 | VSSA — A/D ground |
| Pin produk 82 | CAN0TX — CAN0 transmit output |
| Pin produk 83 | CAN0RX — CAN0 receive input |
| Pin produk 84 | CAN1TX — CAN1 transmit output |
| Pin produk 85 | CAN1RX — CAN1 receive input |
| Pin produk 86 | CAN2TX — CAN2 transmit output |
| Pin produk 87 | CAN2RX — CAN2 receive input |
| Pin produk 88 | CAN3TX — CAN3 transmit output |
| Pin produk 89 | CAN3RX — CAN3 receive input |
| Pin produk 90 | SCIO_TX — Serial Communications Interface 0 transmit |
| Pin produk 91 | SCIO_RX — Serial Communications Interface 0 receive |
| Pin produk 92 | SCI1_TX — Serial Communications Interface 1 transmit |
| Pin produk 93 | SCI1_RX — Serial Communications Interface 1 receive |
| Pin produk 94 | SPI0_SCK — SPI 0 serial clock |
| Pin produk 95 | SPI0_MOSI — SPI 0 master out / slave in |
| Pin produk 96 | SPI0_MISO — SPI 0 master in / slave out |
| Pin produk 97 | SPI0_SS — SPI 0 slave select |
| Pin produk 98 | SPI1_SCK — SPI 1 serial clock |
| Pin produk 99 | SPI1_MOSI — SPI 1 master out / slave in |
| Pin produk 100 | SPI1_MISO — SPI 1 master in / slave out |
| Pin produk 101 | SPI1_SS — SPI 1 slave select |
| Pin produk 102 | PE0 — Port E bit 0 (general I/O) |
| Pin produk 103 | PE1 — Port E bit 1 (general I/O) |
| Pin produk 104 | PE2 — Port E bit 2 (general I/O) |
| Pin produk 105 | PE3 — Port E bit 3 (general I/O) |
| Pin produk 106 | PE4 — Port E bit 4 (general I/O) |
| Pin produk 107 | PE5 — Port E bit 5 (general I/O) |
| Pin produk 108 | PE6 — Port E bit 6 (general I/O) |
| Pin produk 109 | PE7 — Port E bit 7 (general I/O) |
| Pin produk 110 | PH0 — Port H bit 0 |
| Pin produk 111 | PH1 — Port H bit 1 |
| Pin produk 112 | PH2 — Port H bit 2 (IRQ) |
Aplikasi Umum
MC9S12XDT256MAL cocok untuk 6 aplikasis: Automotive Central Body Module, CAN/LIN Gateway ECU, Instrument Cluster Controller, Automotive Climate Control Module, Industrial CAN Node Controller, Immobilizer and Security ECU.
Automotive Central Body Module
The MC9S12XDT256MAL's 256KB Flash and 80MHz HCS12X core make it ideal for central body modules orchestrating lighting, door locks, and immobilizer functions. Its integrated MSCAN controllers handle high-speed CAN communication with other vehicle ECUs at 500 kbps typical body bus rates. AEC-Q100 qualification ensures reliable operation across -40C to +125C automotive temperature swings. The 112-LQFP footprint provides ample I/O for body module sensor inputs.
Direkomendasikan
CAN/LIN Gateway ECU
The MC9S12XDT256MAL's multiple MSCAN modules and SCI/SPI interfaces support gateway functionality bridging CAN and LIN subnetworks in modern vehicles. The HCS12X core's deterministic interrupt handling and XGATE co-processor ensure low-latency message routing between networks running at different baud rates. 256KB Flash accommodates gateway protocol stacks including CANOpen, J1939, and OEM-proprietary transport layers. Suitable for both passenger and commercial vehicle gateway designs.
Direkomendasikan
Instrument Cluster Controller
With 80MHz CPU performance and PWM modules for gauge driving, the MC9S12XDT256MAL serves as a main cluster controller driving stepper motors or analog gauges. The 256KB Flash supports graphics libraries, diagnostic routines, and CAN-based cluster message decoding (such as GM GMLAN or FCA CCN protocols). Automotive qualification ensures cluster accuracy across wide temperature ranges. The HCS12X instruction-set compatibility eases porting from older HCS12 cluster designs.
Direkomendasikan
Automotive Climate Control Module
The MC9S12XDT256MAL's A/D converter and PWM channels suit HVAC control modules reading temperature sensors, blend-door position feedback, and driving blower motors. Its integrated CAN interface enables HVAC integration into the vehicle body network for zone control commands. Automotive temperature grade supports under-dash thermal conditions. The 112-LQFP provides dedicated I/O for HVAC actuator H-bridge control and keypad input scanning.
Direkomendasikan
Industrial CAN Node Controller
Beyond automotive, the MC9S12XDT256MAL serves industrial CANOpen nodes for factory automation, motor drives, and process control where extended temperature and reliability matter. The HCS12X core handles real-time CANOpen SDO/PDO processing at typical 250 kbps to 1 Mbps rates. AEC-Q100 grade suits industrial cabinets and outdoor enclosures. The 256KB Flash accommodates CANOpen stack, application firmware, and OEM configuration profiles.
Direkomendasikan
Immobilizer and Security ECU
The MC9S12XDT256MAL's memory protection unit and secure firmware execution make it suitable for immobilizer ECUs storing cryptographic keys and validating transponder challenges. Its automotive temperature grade and long-term Flash retention suit under-dash deployment with 15+ year service life. The HCS12X core provides deterministic response for handshake timing. The 112-LQFP integrates easily into security module form factors alongside RF readers.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12XDT256MAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12XDT256MAA | MC9S12XD256MAL | MC9S12XDQ256MAG | MC9S12DT256BMPV | MC9S12HZ256CAL |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP - same | 112-LQFP - same |
| Core Architecture | HCS12X (16-bit) | HCS12X - same | HCS12X - same | HCS12X - same | HCS12 (non-X) | HCS12X |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| CPU Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz | 50 MHz |
| XGATE Co-processor | Yes | Yes | Yes | Yes | No | Yes |
| Operating Temperature | -40C to +125C | Per suffix variant | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | Active |
| Automotive Grade | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified | AEC-Q100 qualified |
Diferensiator Kunci
- HCS12X core with XGATE co-processor (vsMC9S12DT256BMPV)
- Multi-channel MSCAN integration (vsMC9S12HZ256CAL)
- Wider temperature range (vsMC9S12HZ256CAL)
Catatan Desain
Decouple every VDD/VDDR/VDDA/VDDX supply pin with a 100nF ceramic capacitor placed within 5mm of the pin per NXP's HCS12X hardware design guidelines. Use a 10uF bulk capacitor near the MCU plus 4.7uF near the internal voltage regulator output. A clean ground plane directly beneath the LQFP reduces digital switching noise coupling into ADC references.
The TEST pin must be tied to VDDR through a 1k-10k resistor or directly high; floating TEST pin may place the MCU in factory test mode and prevent normal startup. The BKGD pin requires a dedicated pull-up to VDDR when not actively in use for background debug. Both pins are commonly overlooked by designers migrating from other MCU families and cause debug-time headaches.
CAN bus termination: place 120 ohm termination resistors at each end of the CAN bus, not at the MCU. Use shielded twisted pair for CAN_H/CAN_L traces with characteristic impedance of 120 ohms. Keep CAN traces away from switching power supply nodes and PWM outputs to minimize EMI-induced CAN error frames. Follow NXP AN2464 CAN application note guidance for EMC compliance.
Estimated: at full 80MHz CPU load with all peripherals active, the LQFP-112 junction-to-ambient thermal resistance is approximately 45-55 C/W on a standard 4-layer JEDEC PCB. For under-hood or high-ambient automotive deployments, ensure ambient temperature plus internal power dissipation does not exceed the 125C junction limit. Add thermal vias beneath the exposed pad if available in your PCB stack-up.
The MC9S12XDT256MAL integrates an internal voltage regulator producing 2.5V core from 5V VDDR supply, eliminating external core LDO requirements. However, power sequencing requires VDDR stable before RESET deassertion per NXP S12XD reference manual. Adding a 100nF + 10uF capacitor pair at the VDDX pin ensures stable internal regulator operation across load transients.
Informasi Konformitas
RoHS compliant and AEC-Q100 qualified per NXP product declarations. Halogen-free per NXP environmental compliance documentation. Conflict minerals compliant per NXP's CMRT filings.
