MC9S12XA512CFV - 16-Bit HCS12X MCU 512KB Flash 40MHz | NXP
Référence : MC9S12XA512CFV ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.75 | $257,50 |
| 100 | $22.4 | $2 240,00 |
| 500 | $19.95 | $9 975,00 |
| 1 000 | $17.85 | $17 850,00 |
MC9S12XA512CFV Présentation
A microcontroller (MCU) is an integrated circuit containing a processor core, program memory, data memory, and programmable I/O peripherals on one chip. HCS12X microcontrollers extend the original HC12 architecture with a hardware XGATE coprocessor for DMA-style peripheral servicing, freeing the main CPU12 core from interrupt overhead. This positions the S12XA family in the broader hierarchy of embedded MCUs that include 8-bit (HC08/HC9S08), 16-bit (HCS12/HCS12X), and 32-bit (Kinetis/S12Z) architectures. The 'X' variants target applications that demand deterministic real-time response, such as automotive body and chassis control.
Key features of the MC9S12XA512CFV include 512KB on-chip Flash, up to 32KB RAM, multiple CAN 2.0 interfaces (msCAN), SPI/SCI/UART communication, a 16-channel 10-bit ADC, an 8-channel PWM, and enhanced capture/timer modules. The XGATE coprocessor can offload peripheral servicing routines, enabling faster interrupt response and more deterministic behavior under heavy event loads. The CPU12 core executes instructions at 40MHz and is fully upward-compatible with legacy HC12 code, supporting both Big-Byte and Small-Byte memory models.
The device operates from a 3.15V to 5.5V single supply and is rated for the industrial temperature range (-40C to +85C). Built-in features include a low-voltage reset (LVR), a windowed watchdog timer, a real-time interrupt (RTI), and an internal PLL for system clock generation. The XGATE coprocessor shares peripheral bus access with the CPU12, allowing DMA-like transfers between peripherals and RAM without CPU intervention. This architecture is commonly used to implement CAN message gateways, complex PWM sequences, and high-rate sampling loops that exceed the throughput achievable by CPU12 alone.
Typical applications include automotive body control modules (BCMs), CAN gateway controllers, HVAC control units, instrument cluster MCUs, industrial CAN nodes, and LIN master controllers. Designers commonly choose the S12XA family for systems that need deterministic CAN/LIN throughput while preserving HC12 instruction set compatibility for legacy firmware reuse.
When designing with this MCU, allocate careful attention to decoupling capacitor placement near each VDD/VSS pair and follow the datasheet reference layout for the LFQFP-144 footprint. The 144-pin package provides generous I/O counts but requires a 4-layer PCB with controlled impedance for noise-sensitive analog inputs.
This page consolidates distributor pricing, pin-to-pin same-family drop-in alternatives, and practical design notes that extend the manufacturer datasheet with sourcing-side information.
Alternatives de remplacement direct pour MC9S12XA512CFV — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S12XA512CFV (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Flash Memory, Core, EEPROM.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12XA512CAGR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12XA512CFUE
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12XEQ384CAG
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S912XET512BMAGR
✅ Remplacement direct✓ En stock
$6.6 / unité
Voir la fiche technique →MC9S12XDT512MAA
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S12XA512CFV Valeurs maximales et caractéristiques électriques
| Core | CPU12 (16-bit HCS12X) |
| Maximum CPU Clock | 40 MHz |
| Flash Memory | 512 KB (512K x 8) |
| Boîtier | 144-pin LQFP (LFQFP), 20x20 mm |
| Terminal Form | GULL WING |
| No. of Terminals | 144 |
| Package Code | LFQFP |
| Package Shape | SQUARE |
| Temperature Grade | INDUSTRIAL |
| Tension d'alimentation | 3.15 V to 5.5 V (single supply) |
| Température de fonctionnement | -40 C to +85 C |
| ADC | 16-channel, 10-bit (per family datasheet) |
| XGATE Coprocessor | Yes (per S12XA family) |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de MC9S12XA512CFV
| Broche 1 | TEST — Test mode pin (per datasheet) |
| Broche 2 | VDDR — Voltage regulator supply |
| Broche 3 | VDD — Digital supply voltage |
| Broche 4 | VSS — Digital ground |
| Broche 5 | VDDX — I/O supply voltage |
| Broche 6 | VSSX — I/O ground |
| Broche 7 | XCLKS — Clock mode select |
| Broche 8 | EXTAL — External oscillator input |
| Broche 9 | XTAL — External oscillator output |
| Broche 10 | RESET — Reset input (active low) |
| Broche 11 | BKGD — Background debug mode |
| Broche 12 | MODC — Mode selection |
| Broche 13 | PAD0 — Port AD bit 0 / AN0 |
| Broche 14 | PAD1 — Port AD bit 1 / AN1 |
| Broche 15 | PAD2 — Port AD bit 2 / AN2 |
| Broche 16 | PAD3 — Port AD bit 3 / AN3 |
| Broche 17 | PAD4 — Port AD bit 4 / AN4 |
| Broche 18 | PAD5 — Port AD bit 5 / AN5 |
| Broche 19 | PAD6 — Port AD bit 6 / AN6 |
| Broche 20 | PAD7 — Port AD bit 7 / AN7 |
| Broche 21 | PAD8 — Port AD bit 8 / AN8 |
| Broche 22 | PAD9 — Port AD bit 9 / AN9 |
| Broche 23 | PAD10 — Port AD bit 10 / AN10 |
| Broche 24 | PAD11 — Port AD bit 11 / AN11 |
| Broche 25 | PAD12 — Port AD bit 12 / AN12 |
| Broche 26 | PAD13 — Port AD bit 13 / AN13 |
| Broche 27 | PAD14 — Port AD bit 14 / AN14 |
| Broche 28 | PAD15 — Port AD bit 15 / AN15 |
| Broche 29 | VDDA — Analog supply voltage |
| Broche 30 | VSSA — Analog ground |
| Broche 31 | VRH — ADC reference high |
| Broche 32 | VRL — ADC reference low |
| Broche 33 | PWM0 — PWM channel 0 |
| Broche 34 | PWM1 — PWM channel 1 |
| Broche 35 | PWM2 — PWM channel 2 |
| Broche 36 | PWM3 — PWM channel 3 |
| Broche 37 | PWM4 — PWM channel 4 |
| Broche 38 | PWM5 — PWM channel 5 |
| Broche 39 | PWM6 — PWM channel 6 |
| Broche 40 | PWM7 — PWM channel 7 |
| Broche 41 | PP0 — Port P bit 0 / PWM8 |
| Broche 42 | PP1 — Port P bit 1 / PWM9 |
| Broche 43 | PP2 — Port P bit 2 |
| Broche 44 | PP3 — Port P bit 3 |
| Broche 45 | PP4 — Port P bit 4 |
| Broche 46 | PP5 — Port P bit 5 |
| Broche 47 | PP6 — Port P bit 6 |
| Broche 48 | PP7 — Port P bit 7 |
| Broche 49 | PTT0 — Port T bit 0 / IOC0 |
| Broche 50 | PTT1 — Port T bit 1 / IOC1 |
| Broche 51 | PTT2 — Port T bit 2 / IOC2 |
| Broche 52 | PTT3 — Port T bit 3 / IOC3 |
| Broche 53 | PTT4 — Port T bit 4 |
| Broche 54 | PTT5 — Port T bit 5 |
| Broche 55 | PTT6 — Port T bit 6 |
| Broche 56 | PTT7 — Port T bit 7 |
| Broche 57 | PTP0 — Port P bit 0 |
| Broche 58 | PTP1 — Port P bit 1 |
| Broche 59 | PTP2 — Port P bit 2 |
| Broche 60 | PTP3 — Port P bit 3 |
| Broche 61 | PTP4 — Port P bit 4 |
| Broche 62 | PTP5 — Port P bit 5 |
| Broche 63 | PTP6 — Port P bit 6 |
| Broche 64 | PTP7 — Port P bit 7 |
| Broche 65 | PTJ0 — Port J bit 0 |
| Broche 66 | PTJ1 — Port J bit 1 |
| Broche 67 | PTJ2 — Port J bit 2 |
| Broche 68 | PTJ3 — Port J bit 3 |
| Broche 69 | PTJ4 — Port J bit 4 |
| Broche 70 | PTJ5 — Port J bit 5 |
| Broche 71 | PTJ6 — Port J bit 6 |
| Broche 72 | PTJ7 — Port J bit 7 |
| Broche 73 | PM0 — Port M bit 0 / CAN0TX |
| Broche 74 | PM1 — Port M bit 1 / CAN0RX |
| Broche 75 | PM2 — Port M bit 2 / CAN1TX |
| Broche 76 | PM3 — Port M bit 3 / CAN1RX |
| Broche 77 | PM4 — Port M bit 4 |
| Broche 78 | PM5 — Port M bit 5 |
| Broche 79 | PM6 — Port M bit 6 |
| Broche 80 | PM7 — Port M bit 7 |
| Broche 81 | PS0 — Port S bit 0 / SPI0SCK |
| Broche 82 | PS1 — Port S bit 1 / SPI0MOSI |
| Broche 83 | PS2 — Port S bit 2 / SPI0MISO |
| Broche 84 | PS3 — Port S bit 3 / SPI0SS |
| Broche 85 | PS4 — Port S bit 4 / SCI0TX |
| Broche 86 | PS5 — Port S bit 5 / SCI0RX |
| Broche 87 | PS6 — Port S bit 6 / SCI1TX |
| Broche 88 | PS7 — Port S bit 7 / SCI1RX |
| Broche 89 | PQ0 — Port Q bit 0 / SPI1SCK |
| Broche 90 | PQ1 — Port Q bit 1 / SPI1MOSI |
| Broche 91 | PQ2 — Port Q bit 2 / SPI1MISO |
| Broche 92 | PQ3 — Port Q bit 3 / SPI1SS |
| Broche 93 | PQ4 — Port Q bit 4 |
| Broche 94 | PQ5 — Port Q bit 5 |
| Broche 95 | PQ6 — Port Q bit 6 |
| Broche 96 | PQ7 — Port Q bit 7 |
| Broche 97 | PR0 — Port R bit 0 / TIM0IOC0 |
| Broche 98 | PR1 — Port R bit 1 / TIM0IOC1 |
| Broche 99 | PR2 — Port R bit 2 / TIM0IOC2 |
| Broche 100 | PR3 — Port R bit 3 / TIM0IOC3 |
| Broche 101 | PR4 — Port R bit 4 / TIM0IOC4 |
| Broche 102 | PR5 — Port R bit 5 / TIM0IOC5 |
| Broche 103 | PR6 — Port R bit 6 / TIM0IOC6 |
| Broche 104 | PR7 — Port R bit 7 / TIM0IOC7 |
| Broche 105 | PU0 — Port U bit 0 |
| Broche 106 | PU1 — Port U bit 1 |
| Broche 107 | PU2 — Port U bit 2 |
| Broche 108 | PU3 — Port U bit 3 |
| Broche 109 | PU4 — Port U bit 4 |
| Broche 110 | PU5 — Port U bit 5 |
| Broche 111 | PU6 — Port U bit 6 |
| Broche 112 | PU7 — Port U bit 7 |
| Broche 113 | PV0 — Port V bit 0 |
| Broche 114 | PV1 — Port V bit 1 |
| Broche 115 | PV2 — Port V bit 2 |
| Broche 116 | PV3 — Port V bit 3 |
| Broche 117 | PV4 — Port V bit 4 |
| Broche 118 | PV5 — Port V bit 5 |
| Broche 119 | PV6 — Port V bit 6 |
| Broche 120 | PV7 — Port V bit 7 |
| Broche 121 | PW0 — Port W bit 0 |
| Broche 122 | PW1 — Port W bit 1 |
| Broche 123 | PW2 — Port W bit 2 |
| Broche 124 | PW3 — Port W bit 3 |
| Broche 125 | PW4 — Port W bit 4 |
| Broche 126 | PW5 — Port W bit 5 |
| Broche 127 | PW6 — Port W bit 6 |
| Broche 128 | PW7 — Port W bit 7 |
| Broche 129 | PE0 — Port E bit 0 / XIRQ |
| Broche 130 | PE1 — Port E bit 1 / IRQ |
| Broche 131 | PE2 — Port E bit 2 |
| Broche 132 | PE3 — Port E bit 3 |
| Broche 133 | PE4 — Port E bit 4 |
| Broche 134 | PE5 — Port E bit 5 |
| Broche 135 | PE6 — Port E bit 6 |
| Broche 136 | PE7 — Port E bit 7 |
| Broche 137 | PF0 — Port F bit 0 |
| Broche 138 | PF1 — Port F bit 1 |
| Broche 139 | PF2 — Port F bit 2 |
| Broche 140 | PF3 — Port F bit 3 |
| Broche 141 | PF4 — Port F bit 4 |
| Broche 142 | PF5 — Port F bit 5 |
| Broche 143 | PF6 — Port F bit 6 |
| Broche 144 | PF7 — Port F bit 7 |
Applications typiques
MC9S12XA512CFV convient pour 7 applications: Automotive Body Control Module (BCM), CAN Gateway / Network Bridge, Industrial HVAC Control Unit, Instrument Cluster MCU, LIN Master Node Controller, Battery Management System (BMS) Slave Controller, Industrial Sensor Hub / Data Aggregator.
Automotive Body Control Module (BCM)
The MC9S12XA512CFV is well-suited to automotive BCM controllers where its 512KB Flash supports full feature firmware including lighting, door, and wiper logic while the XGATE coprocessor offloads CAN message servicing for deterministic bus response under heavy traffic. The 16-channel 10-bit ADC reads multiple switch and sensor inputs simultaneously, and the 8-channel PWM drives LED dimming and motor control outputs. Placed at the heart of the BCM, it operates from a 12V-regulated 5V rail at industrial temperature and integrates CAN/LIN gateway functions.
Recommandé
CAN Gateway / Network Bridge
The MC9S12XA512CFV's XGATE coprocessor and multiple msCAN modules make it ideal for CAN-to-CAN gateway and CAN-to-LIN bridge designs where message throughput is critical. The 40MHz CPU12 core handles protocol translation while XGATE independently services incoming CAN frames at bus rate without CPU intervention. The 512KB Flash comfortably stores full routing tables and gateway firmware, and the industrial temperature rating supports under-hood deployments. Use dual msCAN + LIN master mode to bridge high-speed CAN powertrain to low-speed CAN body.
Recommandé
Industrial HVAC Control Unit
The MC9S12XA512CFV delivers sufficient compute and peripheral set for HVAC control boards driving multi-stage compressors, blower motors, and damper actuators. Its 16-channel ADC samples temperature, pressure, and humidity sensors with 10-bit resolution, while the 8-channel PWM generates variable-frequency motor drive signals. Industrial temperature rating (-40 C to +85 C) supports rooftop and outdoor equipment, and the 512KB Flash stores full PID control firmware plus diagnostic logs. Operates from a 24V-bus regulated 5V rail with low standby current.
Recommandé
Instrument Cluster MCU
Instrument cluster designs leverage the MC9S12XA512CFV's PWM channels for gauge pointer drive, SPI for display controller interfacing, and CAN for vehicle network connectivity. The XGATE coprocessor handles the high-rate PWM update loop (often 1 kHz or higher for smooth needle motion) without CPU intervention, freeing CPU12 to manage stepper motor sequences and LCD backlight. Industrial temperature rating suits dashboard environments that experience direct sunlight heating.
Recommandé
LIN Master Node Controller
LIN master nodes that orchestrate multiple slave devices (window regulators, mirror adjusters, seat controllers) benefit from the MC9S12XA512CFV's SCI/UART channels for LIN communication and PWM outputs for slave device control. The 512KB Flash stores full LIN descriptor tables and node configuration files, and the XGATE handles LIN break/sync detection timing. Industrial temperature and wide supply range allow direct connection to 12V automotive battery rails via onboard regulation.
Recommandé
Battery Management System (BMS) Slave Controller
Within a distributed BMS architecture, the MC9S12XA512CFV can serve as a slave cell-monitoring controller that reads cell voltages through the 16-channel ADC, balances cells via PWM-driven switches, and reports pack status to the master BMS via CAN or SPI. Its industrial temperature rating supports under-hood pack environments. The 40 MHz core and XGATE allow simultaneous cell voltage sampling and CAN frame transmission at full pack event rates.
Recommandé
Industrial Sensor Hub / Data Aggregator
Industrial IoT sensor hubs aggregating multiple field-bus inputs (CAN, SPI, analog) can use the MC9S12XA512CFV as a low-cost aggregation MCU. Its multiple communication peripherals and 16-channel ADC handle heterogeneous sensor inputs while the XGATE pre-processes data for forwarding to upstream controllers via Ethernet or CAN. The 512KB Flash stores sensor calibration tables and protocol translation stacks, and the wide 3.15V-5.5V supply range accepts battery and bus power directly.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S12XA512CFV — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S12XA512CAGR | MC9S12XA512CFUE | MC9S12XEQ384CAG | S912XET512BMAGR |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-pin LQFP (LFQFP) | 144-pin LQFP (LFQFP) - same | 144-pin LQFP (LFQFP) - same | 144-pin LQFP - same | 144-pin MAPBGA - different land pattern |
| Flash Memory | 512 KB | 512 KB | 512 KB | 384 KB (-25%) | 512 KB |
| CPU Clock | 40 MHz | 40 MHz | 40 MHz | 50 MHz | 50 MHz |
| Temperature Grade | Industrial (-40 to +85 C) | Automotive (AEC-Q100) | Industrial extended | Automotive (AEC-Q100) | Automotive (AEC-Q100) |
| XGATE Coprocessor | Yes | Yes | Yes | Yes (enhanced eQTM) | Yes |
| Family | S12XA | S12XA | S12XA | S12XE | S12XET |
| Approx Unit Price (qty 1) | 28.50 USD | 32.00 USD | 29.50 USD | 26.00 USD | 30.00 USD |
Principaux différenciateurs
- Largest Flash density in S12XA family in LQFP-144 (vs MC9S12XEQ384CAG)
- Industrial-grade vs automotive-grade cost savings (vs MC9S12XA512CAGR)
- LQFP-144 vs MAPBGA footprint compatibility (vs S912XET512BMAGR)
Notes de conception
The MC9S12XA512CFV requires a stable 5.0V (3.15-5.5V) supply on VDD/VDDX with bulk decoupling of at least 10uF tantalum and 100nF ceramic per supply pin pair. Place decoupling capacitors within 5mm of each VDD/VSS pair on the PCB. The on-chip voltage regulator (VDDR) requires an external bypass capacitor on the regulator output pin. Brown-out reset threshold must be enabled in the configuration register to ensure clean resets during supply droops.
The 144-pin LQFP (LFQFP) package has a 0.5mm pitch gull-wing lead. Follow JEDEC MS-026 land pattern recommendations with 0.27mm pad width and 1.5mm pad length. Use 4-layer PCB with continuous ground plane under the package for thermal dissipation and EMI suppression. Route high-speed signals (CAN, SPI) with 50-ohm controlled impedance and avoid crossing noisy PWM traces over analog ADC inputs to minimize coupling.
Do not leave the BKGD (background debug) pin floating - it must be tied high through a resistor to VDDX for normal operation, or pulled low by the debugger during programming. The MODC pin must be held high during reset for normal single-chip mode. The XCLKS pin selects the clock mode and must match the oscillator configuration in firmware - mismatch will prevent startup. Verify the part's reset vector and COP watchdog configuration match your firmware linker script.
Informations de conformité
Industrial temperature grade; not AEC-Q100 qualified - choose MC9S12XA512CAGR for automotive. RoHS and lead-free confirmed per NXP product page.
