MC9S12DG256MFUE - 16-bit HCS12 MCU, 256KB Flash, 80-QFP | NXP
Teilenummer: MC9S12DG256MFUE ✗ Abgekündigt| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $22.5 | $22,50 |
| 10 | $20.1 | $201,00 |
| 100 | $17.85 | $1.785,00 |
| 500 | $16.2 | $8.100,00 |
| 1.000 | $14.95 | $14.950,00 |
MC9S12DG256MFUE Übersicht
A CISC microcontroller (Complex Instruction Set Computer) is a CPU architecture that uses a rich, variable-length instruction set optimized for code density and per-instruction work; the HCS12 family is the 16-bit evolution of the HC08 line, retaining the same M68HC12 instruction set while adding a wider 16-bit datapath, an enhanced indexed addressing mode, and a higher bus bandwidth. Microcontrollers sit at the lowest tier of the compute hierarchy (microcontroller -> embedded processor -> MPU) and are the workhorse of real-time control loops where latency, determinism, and integration matter more than raw throughput.
Key features include BDM (Background Debug Mode) and a serial monitor for non-intrusive in-circuit debugging, an external bus interface for memory expansion, an XGate co-processor channel on related family members, and a 32-bit timer for precise event timing. The on-chip EEPROM simplifies parameter storage, while the flash controller supports in-application reprogramming for field firmware updates. The CAN 2.0 A/B module includes 15 message buffers and hardware filtering for offloading the CPU in OSEK/VDX-based automotive stacks.
Typical applications include automotive body controllers, instrument clusters, HVAC modules, door/zone ECUs, and industrial PLC-style controllers. The wide AEC-Q100 grade-1 temperature range and the CAN/SPI/SCI mix make the part attractive for any automotive network node that needs non-volatile storage of calibration data.
When designing with this MCU, ensure the 5 V rail is clean and decoupled with 100 nF ceramic + 10 uF bulk capacitors within 25 mm of the VDD/VSS pins. The oscillator loop has tight layout requirements; keep the crystal traces short and guarded by a ground ring. Refer to the manufacturer datasheet for background-debug, mode-of-operation, and PLL configuration guidance before bringing up code.
Drop-in-Alternativen für MC9S12DG256MFUE – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MC9S12DG256MFUE (gleiche Bauform und Footprint) – abweichend in Operating Temperature, Package, ADC, Connectivity, Core Processor.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC9S12DG256CFUE
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC9S12DG128CFUE
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC9S12E256CFUE
✅ Drop-In✓ Auf Lager
$9.75 / Stück
Datenblatt ansehen →MC9S12E128CFUE
✅ Drop-In✓ Auf Lager
$10.65 / Stück
Datenblatt ansehen →MC9S12C96CFUER
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC9S12DG256MFUE Grenzwerte & elektrische Eigenschaften
| Core | HCS12 (16-bit CISC) |
| Program Memory | 256 KB Flash |
| RAM | 12 KB |
| EEPROM | 4 KB |
| Maximum CPU Frequency | 25 MHz |
| I/O Pins | 59 |
| ADC | 8-channel, 10-bit |
| Timer | 8-channel Enhanced Capture Timer |
| Communication | 2x SCI, 2x SPI, I2C, CAN 2.0 |
| Gehäuse | 80-LQFP (QFP-80), 14x14 mm |
| Montageart | Surface Mount |
| Betriebstemperatur | -40C to +125C (AEC-Q100) |
| AEC-Q100 Grade | Qualified |
| RoHS-Status | Compliant |
MC9S12DG256MFUE Pin-Konfiguration
| Pin 1 | VDDR — Voltage regulator power supply |
| Pin 2 | VDD1 — Core logic supply (1.8 V regulated) |
| Pin 3 | VSS1 — Core logic ground |
| Pin 4 | VDD2 — I/O supply (5 V) |
| Pin 5 | VSS2 — I/O ground |
| Pin 6 | BKGD — Background debug mode pin |
| Pin 7 | RESET — Active-low external reset |
| Pin 8 | XCLKS — Crystal oscillator mode select |
| Pin 9 | XTAL — Crystal oscillator input |
| Pin 10 | EXTAL — Crystal oscillator input / external clock |
| Pin 11 | TEST — Test mode enable (tie to VSS) |
| Pin 12 | PAD0 — Port AD bit 0 / AN0 |
| Pin 13 | PAD1 — Port AD bit 1 / AN1 |
| Pin 14 | PAD2 — Port AD bit 2 / AN2 |
| Pin 15 | PAD3 — Port AD bit 3 / AN3 |
| Pin 16 | PAD4 — Port AD bit 4 / AN4 |
| Pin 17 | PAD5 — Port AD bit 5 / AN5 |
| Pin 18 | PAD6 — Port AD bit 6 / AN6 |
| Pin 19 | PAD7 — Port AD bit 7 / AN7 |
| Pin 20 | VSSAD — ADC ground reference |
| Pin 21 | VDDAD — ADC supply reference (5 V) |
| Pin 22 | PS0 — Port S bit 0 / SCI0 TX |
| Pin 23 | PS1 — Port S bit 1 / SCI0 RX |
| Pin 24 | PS2 — Port S bit 2 / SPI0 SCK |
| Pin 25 | PS3 — Port S bit 3 / SPI0 MOSI |
| Pin 26 | PS4 — Port S bit 4 / SPI0 MISO |
| Pin 27 | PS5 — Port S bit 5 / SPI0 SS |
| Pin 28 | PS6 — Port S bit 6 |
| Pin 29 | PS7 — Port S bit 7 |
| Pin 30 | PT0 — Port T bit 0 / IOC0 (timer) |
| Pin 31 | PT1 — Port T bit 1 / IOC1 (timer) |
| Pin 32 | PT2 — Port T bit 2 / IOC2 (timer) |
| Pin 33 | PT3 — Port T bit 3 / IOC3 (timer) |
| Pin 34 | PT4 — Port T bit 4 / IOC4 (timer) |
| Pin 35 | PT5 — Port T bit 5 / IOC5 (timer) |
| Pin 36 | PT6 — Port T bit 6 / IOC6 (timer) |
| Pin 37 | PT7 — Port T bit 7 / IOC7 (timer) |
| Pin 38 | PM0 — Port M bit 0 / CAN TX |
| Pin 39 | PM1 — Port M bit 1 / CAN RX |
| Pin 40 | PM2 — Port M bit 2 |
| Pin 41 | PM3 — Port M bit 3 |
| Pin 42 | PM4 — Port M bit 4 |
| Pin 43 | PM5 — Port M bit 5 |
| Pin 44 | PM6 — Port M bit 6 |
| Pin 45 | PM7 — Port M bit 7 |
| Pin 46 | PP0 — Port P bit 0 / PWM0 |
| Pin 47 | PP1 — Port P bit 1 / PWM1 |
| Pin 48 | PP2 — Port P bit 2 / PWM2 |
| Pin 49 | PP3 — Port P bit 3 / PWM3 |
| Pin 50 | PP4 — Port P bit 4 / PWM4 |
| Pin 51 | PP5 — Port P bit 5 / PWM5 |
| Pin 52 | PP6 — Port P bit 6 / PWM6 |
| Pin 53 | PP7 — Port P bit 7 / PWM7 |
| Pin 54 | PJ0 — Port J bit 0 / Address line |
| Pin 55 | PJ1 — Port J bit 1 / Address line |
| Pin 56 | PJ2 — Port J bit 2 / Address line |
| Pin 57 | PJ3 — Port J bit 3 / Address line |
| Pin 58 | PJ4 — Port J bit 4 / Address line |
| Pin 59 | PJ5 — Port J bit 5 / Address line |
| Pin 60 | PJ6 — Port J bit 6 / Address line |
| Pin 61 | PJ7 — Port J bit 7 / Address line |
| Pin 62 | PK0 — Port K bit 0 / Data line |
| Pin 63 | PK1 — Port K bit 1 / Data line |
| Pin 64 | PK2 — Port K bit 2 / Data line |
| Pin 65 | PK3 — Port K bit 3 / Data line |
| Pin 66 | PK4 — Port K bit 4 / Data line |
| Pin 67 | PK5 — Port K bit 5 / Data line |
| Pin 68 | PK6 — Port K bit 6 / Data line |
| Pin 69 | PK7 — Port K bit 7 / Data line |
| Pin 70 | PA0 — Port A bit 0 / Address line |
| Pin 71 | PA1 — Port A bit 1 / Address line |
| Pin 72 | PA2 — Port A bit 2 / Address line |
| Pin 73 | PA3 — Port A bit 3 / Address line |
| Pin 74 | PA4 — Port A bit 4 / Address line |
| Pin 75 | PA5 — Port A bit 5 / Address line |
| Pin 76 | PA6 — Port A bit 6 / Address line |
| Pin 77 | PA7 — Port A bit 7 / Address line |
| Pin 78 | PB0 — Port B bit 0 / Data line |
| Pin 79 | PB1 — Port B bit 1 / Data line |
| Pin 80 | PE0 — Port E bit 0 / Mode select |
Typische Anwendungen
MC9S12DG256MFUE ist geeignet für 6 Anwendungs: Automotive Body Control Module, Instrument Cluster Controller, HVAC Climate Control ECU, Industrial PLC and Machine Controller, Door Zone and Seat Control Module, Battery Management Slave Module.
Automotive Body Control Module
The MC9S12DG256MFUE fits automotive body-control ECUs because it combines 256 KB Flash for the BCM application code with on-chip CAN 2.0, two SCI channels, and an 8-channel 10-bit ADC in a single 80-LQFP package. The AEC-Q100 qualification and -40C to +125C operating range let it sit behind the cabin fuse box and survive underhood thermal stress. Designers use the HCS12 CISC core for deterministic interrupt response on door, lighting, and wiper control loops, while the 4 KB EEPROM stores trim and calibration data that must survive key-off battery disconnects. Compared with a discrete CAN + MCU solution, the integrated ADC and PWM channels reduce BOM cost by 20-30% in production BCM designs.
Empfohlen
Instrument Cluster Controller
The MC9S12DG256MFUE is well matched to instrument cluster mainboards that drive stepper motors, gauge steppers, and warning lamps. Its 8-channel enhanced capture timer delivers the precise PWM edges required for pointer damping algorithms, while the 8-channel 10-bit ADC reads fuel, temperature, and oil-pressure sensors with adequate resolution for cluster bar-graph displays. The 256 KB Flash stores graphical gauge fonts and diagnostic trouble-code tables, and the 12 KB RAM keeps the active screen framebuffer. Compared with external timer ICs, integrating the PWM into the MCU eliminates synchronization latency between gauge channels and simplifies EMC compliance.
Empfohlen
HVAC Climate Control ECU
Climate-control ECUs benefit from the MC9S12DG256MFUE's mix of PWM channels, ADC inputs, and CAN connectivity. The HCS12 core runs the PID loops that blend door-mode, blower-speed, and temperature-setpoint requests, while the SCI ports interface to the cabin network and to the defrost/wiper multiplexers. AEC-Q100 grade and wide temperature range allow the part to be placed inside the HVAC head module where ambient swings can reach 85 C in summer sun. The on-chip EEPROM stores user-set preferences across battery disconnects, eliminating the need for an external memory IC and shrinking PCB footprint by roughly 30% versus a discrete solution.
Empfohlen
Industrial PLC and Machine Controller
Industrial PLC-style controllers use the MC9S12DG256MFUE to consolidate logic solver, sensor interface, and fieldbus node into one chip. The CAN 2.0 module acts as the CANopen or DeviceNet slave port, the SPI channels drive digital isolators and ADC front ends, and the 256 KB Flash holds ladder-logic runtime plus application code. Operating from a 5 V rail simplifies retrofitting into legacy 24 V industrial systems with a single buck converter. The HCS12's deterministic interrupt latency (well under 1 us at 25 MHz) is sufficient for fast scan-cycle PLC firmware on small I/O-count machines.
Empfohlen
Door Zone and Seat Control Module
Door-zone ECUs benefit from the MC9S12DG256MFUE's peripheral density: the 8-channel ADC reads mirror-position and motor-current feedback, the PWM outputs drive window-lift and seat motors, and the CAN port connects to the body network. The 80-LQFP footprint and small thermal pad simplify the dense PCB layouts inside door modules where space is constrained. Designers reuse the on-chip EEPROM to store end-of-travel calibration per window, removing factory trim potentiometers. Compared with separate MCU + driver-chip solutions, integrating the timers and ADC cuts the door-module BOM by roughly $1.20 per node in volume.
Empfohlen
Battery Management Slave Module
Battery-pack slave modules for 12 V and 48 V mild-hybrid systems use the MC9S12DG256MFUE as the cell-monitoring supervisor. Its 8-channel 10-bit ADC measures cell voltages through external resistor dividers, the SCI port links to a master BMS over isolated UART, and the 4 KB EEPROM logs cell-impedance history for state-of-health estimation. The AEC-Q100 grade and 5 V operation align with 12 V automotive rails without an extra LDO. Compared with dedicated battery-monitoring ICs, this approach gives designers programmable logic for cell-balancing algorithms without sacrificing CAN-based diagnostics.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC9S12DG256MFUE – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC9S12DG256CFUE | MC9S12DG128CFUE | MC9S12E256CFUE | MC9S12E128CFUE | MC9S12C96CFUER |
|---|---|---|---|---|---|---|
| Package | 80-LQFP (QFP-80), 14x14 mm | 80-LQFP (QFP-80) - same | 80-LQFP (QFP-80) - same | PQFP-80 - same | 80-LQFP (QFP-80) - same | 80-QFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12 (16-bit CISC) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) |
| Program Memory (Flash) | 256 KB | 256 KB | 128 KB | 256 KB | 128 KB | 96 KB |
| Maximum CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| RAM | 12 KB | 12 KB | 8 KB | 12 KB | 8 KB | 4 KB |
| AEC-Q100 Grade | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
Wichtigste Unterscheidungsmerkmale
- 256 KB Flash with on-chip EEPROM (vs. MC9S12DG128CFUE)
- AEC-Q100 qualified with 5 V I/O (vs. MC9S12C96CFUER)
- Integrated CAN 2.0 with 15 message buffers (vs. MC9S12E256CFUE)
Designhinweise
Decouple the MC9S12DG256MFUE with a 100 nF ceramic capacitor within 5 mm of every VDD/VSS pair, plus a 10 uF bulk tantalum or ceramic on the VDDR pin. The internal 2.5 V regulator (VDDR) supplies the core; noise on VDDR directly couples into the ADC readings and can shift the conversion result by 1-2 LSB. Keep the VDDR trace short and away from PWM switching nodes. Reference: NXP AN2540 power-supply design notes for HCS12 microcontrollers.
The oscillator loop (XTAL/EXTAL) is highly sensitive to PCB parasitics. Keep the crystal traces shorter than 10 mm, route them over a continuous ground plane, and surround the loop with a grounded guard ring to minimize EMI pickup. Avoid running PWM or CAN traces under the crystal area; the third-harmonic content can inject jitter into the 25 MHz clock and degrade SCI baud-rate accuracy by 2-3%.
Do not leave the TEST pin floating; tie TEST directly to VSS via a 10 kohm resistor. A floating TEST pin can latch the part into factory test mode on power-up, causing BDM to appear unresponsive. Similarly, configure the XCLKS (PLL mode select) pin to match the crystal oscillator mode you intend before programming, because the boot sequence latches mode-of-operation based on this pin.
The 80-LQFP package has a junction-to-ambient thermal resistance of approximately 60 C/W on a 2-layer JEDEC test board. At AEC-Q100 grade-1 ambient (125 C), the junction can approach 160 C if the part dissipates 0.5 W continuous - well below the 150 C shutdown threshold but with little margin. Use thermal vias under the exposed die pad (if present on your variant) to spread heat into the inner ground plane.
Compliance-Informationen
AEC-Q100 qualified per NXP product page; RoHS and REACH compliant per DigiKey listing. Lead-free reflow profile JEDEC J-STD-020.
