MC9S12XDT512CAA - 16-Bit HCS12X MCU 512KB Flash | NXP
Teilenummer: MC9S12XDT512CAA ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $22.5 | $22,50 |
| 10 | $20.85 | $208,50 |
| 100 | $19.1 | $1.910,00 |
| 500 | $17.75 | $8.875,00 |
| 1.000 | $16.4 | $16.400,00 |
MC9S12XDT512CAA Übersicht
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile storage (EEPROM/Data Flash), and a rich set of peripherals (timers, ADC, SCI/SPI, CAN, PWM, GPIO) on a single die. The HCS12X line is the enhanced superset of the original HCS12 core, retaining upward source/binary compatibility while adding an instruction queue, enhanced indexed addressing modes, and an extended instruction set. Within the broader taxonomy, the MC9S12XDT512CAA belongs to: microcontroller -> embedded MCU -> automotive MCU -> HCS12X family -> S12XD sub-family.
Key differentiating features include the 16-channel enhanced capture timer (ECT) module, an 8-channel 10-bit ADC, up to 59 general-purpose I/O pins, integrated CAN 2.0 (msCAN) controllers for in-vehicle networking, and an on-chip voltage regulator for single 5 V supply operation. The XDT suffix denotes the higher-density Flash sub-family with the XGATE co-processor disabled in this mask set, simplifying real-time interrupt handling. The device is rated -40C to +85C industrial and is qualified to AEC-Q100 for automotive deployments.
The architecture is a CISC Harvard-style core with a 16-bit ALU, 20-bit indexed addressing, and a hardware instruction queue that lets the bus fetch the next opcode while the ALU executes the current one. This combination delivers effective throughput close to a 32-bit MCU on byte- and bit-oriented control code, while keeping the interrupt latency and register model identical to legacy HCS12 designs - allowing code reuse for OEMs with large HCS12 code bases.
Typical applications include automotive body controllers, gateway modules, CAN-based lighting and HVAC controllers, instrument clusters, and industrial PLC edge nodes. The wide supply range (2.35 V to 5.5 V) and on-chip EEPROM allow direct connection to 12 V automotive rails after external transients are clamped.
When designing with the MC9S12XDT512CAA, allocate BDM (background debug mode) pins to a 6-pin header on the PCB for in-circuit debug and Flash programming. Ensure the ECLK/XIRQ/IRQ pins have proper pull-ups per NXP recommendations, and place the internal voltage regulator's bulk capacitor close to the VREG pin to minimize digital noise coupling into the ADC reference.
Drop-in-Alternativen für MC9S12XDT512CAA – 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 MC9S12XDT512CAA (gleiche Bauform und Footprint) – abweichend in Operating Temperature, Package, ADC, Timers, Core.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC9S12XDT512MAA
✅ Drop-In✓ Auf Lager
Preis auf Anfrage
Datenblatt ansehen →MC9S12XDT512MAG
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC9S12XEQ512CAG
✅ Drop-In✓ Auf Lager
$14.4 / Stück
Datenblatt ansehen →MC9S12XEP100MAG
✅ Drop-In✓ Auf Lager
$54.2426 / Stück
Datenblatt ansehen →MC9S12XEP768CAG
✅ Drop-In✓ Auf Lager
$19.85 / Stück
Datenblatt ansehen →S9S12XS64J1MAL
✅ Drop-In✓ Auf Lager
$9.1 / Stück
Datenblatt ansehen →MC9S12XDT512CAA Grenzwerte & elektrische Eigenschaften
| Core Architecture | HCS12X (16-bit CISC, enhanced HCS12) |
| Maximum CPU Frequency | 80 MHz (40 MHz bus) |
| Program Flash | 512 KB (512K x 8) |
| RAM | 20 KB |
| EEPROM | 4 KB |
| Gehäuse | 80-QFP (14x14 mm) |
| Pin/Package Type | 80-pin PQFP, Tray |
| Versorgungsspannung | 2.35 V to 5.5 V (2.5 V/5 V domains) |
| GPIO Count | 59 (up to 119 I/O ports depending on mode) |
| ADC | 8-channel, 10-bit |
| Timers | ECT (Enhanced Capture Timer), 16 channels; PIT (Periodic Interrupt Timer) |
| Communication Interfaces | CAN (msCAN), SCI, SPI, I2C |
| Betriebstemperatur | -40C to +85C (industrial/automotive) |
| Montageart | Surface Mount |
| MSL-Level | 3 (168 hours) |
| RoHS-Status | Compliant |
| AEC-Q100 | Qualified (automotive grade) |
| On-chip Voltage Regulator | Yes (internal VREG for single 5 V supply) |
MC9S12XDT512CAA Pin-Konfiguration
| Pin 1 | VDDR — Voltage regulator VDD output (2.5 V core supply, external cap) |
| Pin 2 | — Refer to datasheet Signal Description table |
| Pin 10 | RESET_b — Active-low reset input, internal pull-up |
| Pin 11 | XIRQ_b — Non-maskable interrupt input |
| Pin 12 | IRQ_b — Maskable interrupt input |
| Pin 13 | MODC — Mode selection pin |
| Pin 14 | MODB — Mode selection pin |
| Pin 15 | MODA — Mode selection pin |
| Pin 16 | BKGD — Background Debug Mode pin (BDM) |
| Pin 20 | ECLK — Enhanced Capture Timer clock output |
| Pin 25 | PAD0/AN0 — Port AD bit 0 / ADC analog input 0 |
| Pin 30 | PAD7/AN7 — Port AD bit 7 / ADC analog input 7 |
| Pin 40 | CAN0TX — msCAN0 transmit output |
| Pin 41 | CAN0RX — msCAN0 receive input |
| Pin 50 | SCIO_TX — Serial Communications Interface 0 transmit |
| Pin 51 | SCIO_RX — Serial Communications Interface 0 receive |
| Pin 60 | SPI0_MOSI — SPI0 master out / slave in |
| Pin 61 | SPI0_MISO — SPI0 master in / slave out |
| Pin 62 | SPI0_SCK — SPI0 serial clock |
| Pin 63 | SPI0_SS_b — SPI0 slave select (active-low) |
| Pin 70 | PWM0 — Pulse Width Modulator channel 0 output |
| Pin 75 | TC0/IC0 — Timer/Counter 0 input capture |
| Pin 80 | VDDX — External I/O supply voltage (3.3 V or 5 V) |
Typische Anwendungen
MC9S12XDT512CAA ist geeignet für 7 Anwendungs: Automotive Body Control Module, CAN Gateway Module, Instrument Cluster, HVAC Control Module, Lighting Control Module, Industrial PLC Edge Node, Battery Management Slave Controller.
Automotive Body Control Module
The MC9S12XDT512CAA fits body control modules because its 80 MHz CPU, 512 KB Flash, and 4 KB EEPROM handle multiple LIN/CAN sub-networks and BCM firmware state machines with deterministic interrupt latency. The integrated msCAN controller provides hardware CAN 2.0 framing for body-CAN communication with the gateway, while the 8-channel 10-bit ADC reads seat-occupancy, ambient-light, and washer-fluid sensors with no external component. Compared to a discrete MCU+CAN transceiver design, the MC9S12XDT512CAA reduces PCB area by 35-45% and AEC-Q100 qualification accelerates OEM PPAP submission.
Empfohlen
CAN Gateway Module
The MC9S12XDT512CAA's multiple msCAN controllers and 80 MHz HCS12X core make it suitable for body-to-chassis CAN gateway modules routing messages between 500 kbps body-CAN and 1 Mbps chassis-CAN buses. The 512 KB Flash stores routing tables and diagnostic UDS services (UDS on CAN, ISO 14229), while 20 KB RAM buffers gateway traffic during burst conditions. Its wide 2.35 V to 5.5 V supply tolerance allows direct 12 V battery connection with a single TVS clamp, reducing BOM cost by $1-2 vs 3.3 V-only MCUs that need an extra pre-regulator.
Empfohlen
Instrument Cluster
The MC9S12XDT512CAA drives stepper-motor and LCD-segment instrument clusters thanks to its 16-channel Enhanced Capture Timer (ECT) and integrated PWM modules generating precise gauge-pointer step rates. The 8-channel 10-bit ADC samples thermistor inputs for engine-temperature and fuel-level gauges with 10 ms update rates, while 4 KB EEPROM stores odometer and trip-meter data without external NVM. Its -40C to +85C automotive rating supports under-dash thermal environments, and AEC-Q100 automotive qualification simplifies OEM homologation.
Empfohlen
HVAC Control Module
The MC9S12XDT512CAA runs HVAC climate-control algorithms with multiple closed-loop PID loops because its 80 MHz HCS12X core executes floating-point math via software libraries in 1-3 ms per loop iteration. The msCAN controller interfaces with the body-CAN network for setpoint requests, while on-chip PWM channels drive blower-motor FETs and blend-door actuators directly. Its 59 GPIO support up to 30 push-button inputs and LED backlight drivers without external I/O expanders, cutting HVAC module BOM by approximately $3-5 in production volumes.
Empfohlen
Lighting Control Module
The MC9S12XDT512CAA's PWM-rich architecture suits exterior lighting modules driving LED headlamps, DRL, turn signals, and matrix-beam controllers via LIN or CAN. The 16-channel ECT provides the timing resolution required for matrix-beam pixel PWM dimming at 200 Hz with sub-1% duty cycle steps, while the 8-channel ADC monitors LED-string current for fault detection. AEC-Q100 automotive grade and 512 KB program memory accommodate complex photometric algorithms and OEM-specific calibration tables.
Empfohlen
Industrial PLC Edge Node
The MC9S12XDT512CAA serves as a CAN-open or DeviceNet edge controller in industrial PLCs, leveraging its AEC-Q100-qualified silicon to deliver rugged -40C to +85C operation in factory-automation cabinets. The 512 KB Flash stores IEC 61131-3 runtime plus application logic, while the 4 KB EEPROM retains PLC tag values during power cycles. Compared to consumer-grade MCUs, the MC9S12XDT512CAA's wider 2.35 V to 5.5 V supply tolerates 24 V industrial rails after a single LDO drop, reducing BOM complexity.
Empfohlen
Battery Management Slave Controller
The MC9S12XDT512CAA functions as a cell-monitoring slave in 12 V/48 V battery-management systems, with its 8-channel 10-bit ADC scanning 8 cell voltages at 1 ms intervals and CAN reporting pack values to the master BMS controller. Its 4 KB EEPROM stores cell-balancing trim and cycle-count history, while 80 MHz HCS12X throughput handles state-of-health math in real time. AEC-Q100 automotive grade supports under-hood deployment where consumer MCUs would fail thermal stress tests.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC9S12XDT512CAA – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC9S12XDT512MAA | MC9S12XEQ512CAG | MC9S12XEP100MAG | MC9S12XEP768CAG |
|---|---|---|---|---|---|
| Package | 80-QFP (14x14) | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Core | HCS12X 80 MHz | HCS12X 80 MHz - same | HCS12X 80 MHz + XGATE | HCS12X 80 MHz - same | HCS12X 80 MHz - same |
| Flash | 512 KB | 512 KB | 512 KB | 1 MB (+100%) | 768 KB (+50%) |
| RAM | 20 KB | 20 KB | 32 KB (+60%) | 64 KB (+220%) | 32 KB (+60%) |
| EEPROM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Temperature | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified | Qualified |
| Approx Unit Price (qty 1000) | $16.40 | ~$18.20 | ~$21.00 | ~$24.50 | ~$20.10 |
Wichtigste Unterscheidungsmerkmale
- Highest density Flash in the 80-QFP XDT family (vs. MC9S12XDT256 (256 KB Flash))
- Standard industrial/automotive -40C to +85C grade option (vs. MC9S12XDT512MAA (-40C to +125C))
- No XGATE co-processor simplifies firmware model (vs. MC9S12XEQ512CAG (XGATE-enabled))
Designhinweise
Route BDM (BKGD, MODA, MODB, MODC) and RESET_b signals as a 6-pin debug header placed at the PCB edge for easy in-circuit debug and Flash programming access. Add 4.7 kohm pull-ups on RESET_b, IRQ_b, and XIRQ_b per NXP recommendations to prevent spurious resets. Keep the VREG bulk capacitor (4.7 uF X7R) within 5 mm of the VDDR/VSS pair to minimize core voltage ripple.
The MC9S12XDT512CAA requires a single 5 V supply on VDDX (I/O domain) plus the on-chip VREG producing 2.5 V on VDDR for the core. Decouple VDDX with 100 nF + 10 uF ceramic within 3 mm of the pins; place 100 nF X7R on each AVDD analog supply pin to filter ADC reference noise. Avoid switching the VREG into low-power mode below the ADC conversion window to prevent reference-voltage drift.
When routing the CAN0TX/CAN0RX pair, use a 120-ohm characteristic impedance and keep stub length below 25 mm to maintain signal quality at 1 Mbps. Place the CAN transceiver (e.g. TJA2597) within 50 mm of the MCU CAN pins. For ADC inputs (PAD[7:0]), use guard traces around the analog routing and avoid crossing noisy digital lines to keep sample noise below 1 LSB.
Estimated: At 80 MHz CPU and 25 mA core current draw, internal dissipation is approximately 0.13 W, yielding a junction rise of ~5C above ambient on a JEDEC 4-layer test board. Watch out for Flash block-erase timeouts during EEPROM emulation - the 4 KB on-chip EEPROM only supports 100k erase cycles and intensive logging will wear it out in 2-3 years. Use Flash-based EEPROM emulation instead for fault-log retention.
Compliance-Informationen
AEC-Q100 qualified for automotive body-domain deployments. RoHS and REACH compliant per NXP product page. Halogen-free and lead-free per JEDEC J-STDMS/SMD marking on package.