MC9S12XA512VAL - 16-bit 512KB Flash HCS12X MCU | NXP | 112-LQFP
Référence : MC9S12XA512VAL ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.75 | $257,50 |
| 100 | $22.9 | $2 290,00 |
| 500 | $19.6 | $9 800,00 |
| 1 000 | $17.2 | $17 200,00 |
MC9S12XA512VAL Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, peripherals, and I/O onto one silicon die. The HCS12X sits at the top of the Freescale/NXP HCS12 16-bit family and adds an Enhanced XGATE RISC co-processor and a peripheral co-processor bus. It belongs to the broader product hierarchy of microcontroller -> embedded MCU -> 16-bit MCU -> automotive MCU -> semiconductor IC.
Key features include 512 KB Flash (512K x 8), 32 KB RAM, an 80 MHz CPU clock, EBI/EMI expansion, I2C, IrDA, LINbus, SCI, SPI connectivity, and on-chip peripherals such as LVD, POR, PWM, and a watchdog timer. The 112-LQFP package exposes 91 I/O pins and operates from a 2.5 V supply, which is typical for HCS12X-family members.
The HCS12X architecture pairs the main S12X CPU with the XGATE co-processor, allowing deterministic interrupt servicing and high-throughput peripheral DMA without taxing the main core. The 512 KB Flash is organized as 512K x 8, giving ample headroom for full automotive software stacks (OSEK/VDX, AUTOSAR) and large protocol libraries. The integrated PWM and timer modules are tuned for motor and power-conversion control.
Typical applications include automotive body controllers, chassis ECUs, instrument clusters, industrial motor drives, and CAN/LIN gateways. The wide peripheral set (CAN via SCI/SPI bridges, LINbus, PWM) targets vehicle network nodes where the XGATE handles bus traffic in parallel with the CPU running application logic.
When designing with the MC9S12XA512VAL, pay attention to the 2.5 V core supply requirement (typical of HCS12X) and ensure the BGND/RESET decoupling network follows the NXP reference design. Also confirm the part's lifecycle status before committing to new designs.
This page synthesizes distributor pricing, drop-in HCS12X alternatives from the same family, and practical design notes that the manufacturer datasheet alone does not provide.
Alternatives de remplacement direct pour MC9S12XA512VAL — 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 MC9S12XA512VAL (même facteur de forme et même empreinte) — différant par Package, ADC, General-Purpose I/O, Series.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12XA512VAG
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12XA512CAG
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12XA512CAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$9.1 / unité
Voir la fiche technique →MC9S12XA256VAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12XB256VAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12XD512VAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12XA512VAL Valeurs maximales et caractéristiques électriques
| Core Processor | HCS12X |
| Core Size | 16-bit |
| Program Memory Size | 512 KB (512K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 32 KB (32K x 8) |
| Maximum Clock Speed | 80 MHz |
| Tension d'alimentation | 2.5 V |
| Number of I/O | 91 |
| Connectivity | EBI/EMI, I2C, IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Boîtier | 112-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Series | HCS12X (S12XA sub-family) |
Configuration des broches de MC9S12XA512VAL
| Broche 1 | IRQ — External interrupt request input |
| Broche 2 | XIRQ — Non-maskable external interrupt |
| Broche 3 | RESET — Active-low reset input |
| Broche 4 | MODC — Mode selection |
| Broche 5 | VDDR — Voltage regulator supply |
| Broche 6 | VSS — Digital ground |
| Broche 7 | VDDX — External supply (2.5 V) |
| Broche 8 | VSSX — External ground |
| Broche 9 | OSC1 — Crystal oscillator input |
| Broche 10 | OSC2 — Crystal oscillator output |
| Broche 11 | TEST — Test mode pin (must be held high in normal operation) |
| Broche 12 | BKGD — Background Debug Mode pin |
| Broche 13 | PAD0 — External data bus bit 0 |
| Broche 14 | PAD1 — External data bus bit 1 |
| Broche 15 | PAD2 — External data bus bit 2 |
| Broche 16 | PAD3 — External data bus bit 3 |
| Broche 17 | PAD4 — External data bus bit 4 |
| Broche 18 | PAD5 — External data bus bit 5 |
| Broche 19 | PAD6 — External data bus bit 6 |
| Broche 20 | PAD7 — External data bus bit 7 |
| Broche 21 | PAD8 — External data bus bit 8 |
| Broche 22 | PAD9 — External data bus bit 9 |
| Broche 23 | PAD10 — External data bus bit 10 |
| Broche 24 | PAD11 — External data bus bit 11 |
| Broche 25 | PAD12 — External data bus bit 12 |
| Broche 26 | PAD13 — External data bus bit 13 |
| Broche 27 | PAD14 — External data bus bit 14 |
| Broche 28 | PAD15 — External data bus bit 15 |
| Broche 29 | PA0 — Port A bit 0 / address bus bit 0 |
| Broche 30 | PA1 — Port A bit 1 / address bus bit 1 |
| Broche 31 | PA2 — Port A bit 2 / address bus bit 2 |
| Broche 32 | PA3 — Port A bit 3 / address bus bit 3 |
| Broche 33 | PA4 — Port A bit 4 / address bus bit 4 |
| Broche 34 | PA5 — Port A bit 5 / address bus bit 5 |
| Broche 35 | PA6 — Port A bit 6 / address bus bit 6 |
| Broche 36 | PA7 — Port A bit 7 / address bus bit 7 |
| Broche 37 | VDDA — Analog supply (2.5 V) |
| Broche 38 | VSSA — Analog ground |
| Broche 39 | PAD16 — Port D bit 0 / address bus bit 16 |
| Broche 40 | PAD17 — Port D bit 1 / address bus bit 17 |
| Broche 41 | PAD18 — Port D bit 2 / address bus bit 18 |
| Broche 42 | PAD19 — Port D bit 3 / address bus bit 19 |
| Broche 43 | PAD20 — Port D bit 4 / address bus bit 20 |
| Broche 44 | PAD21 — Port D bit 5 / address bus bit 21 |
| Broche 45 | PAD22 — Port D bit 6 / address bus bit 22 |
| Broche 46 | PAD23 — Port D bit 7 / address bus bit 23 |
| Broche 47 | PE0 — Port E bit 0 / IRQ |
| Broche 48 | PE1 — Port E bit 1 / IRQ |
| Broche 49 | PE2 — Port E bit 2 / IRQ |
| Broche 50 | PE3 — Port E bit 3 / IRQ |
| Broche 51 | PE4 — Port E bit 4 / XIRQ |
| Broche 52 | PE5 — Port E bit 5 / SCI TX |
| Broche 53 | PE6 — Port E bit 6 / SCI RX |
| Broche 54 | PE7 — Port E bit 7 |
| Broche 55 | PF0 — Port F bit 0 / SPI SCK |
| Broche 56 | PF1 — Port F bit 1 / SPI MOSI |
| Broche 57 | PF2 — Port F bit 2 / SPI MISO |
| Broche 58 | PF3 — Port F bit 3 / SPI SS |
| Broche 59 | PF4 — Port F bit 4 / PWM channel |
| Broche 60 | PF5 — Port F bit 5 / PWM channel |
| Broche 61 | PF6 — Port F bit 6 / PWM channel |
| Broche 62 | PF7 — Port F bit 7 / PWM channel |
| Broche 63 | PG0 — Port G bit 0 / CAN TX |
| Broche 64 | PG1 — Port G bit 1 / CAN RX |
| Broche 65 | PG2 — Port G bit 2 |
| Broche 66 | PG3 — Port G bit 3 |
| Broche 67 | PG4 — Port G bit 4 |
| Broche 68 | PG5 — Port G bit 5 |
| Broche 69 | PG6 — Port G bit 6 |
| Broche 70 | PG7 — Port G bit 7 |
| Broche 71 | PH0 — Port H bit 0 / I2C SCL |
| Broche 72 | PH1 — Port H bit 1 / I2C SDA |
| Broche 73 | PH2 — Port H bit 2 / LIN TX |
| Broche 74 | PH3 — Port H bit 3 / LIN RX |
| Broche 75 | PH4 — Port H bit 4 |
| Broche 76 | PH5 — Port H bit 5 |
| Broche 77 | PH6 — Port H bit 6 |
| Broche 78 | PH7 — Port H bit 7 |
| Broche 79 | PJ0 — Port J bit 0 |
| Broche 80 | PJ1 — Port J bit 1 |
| Broche 81 | PJ2 — Port J bit 2 |
| Broche 82 | PJ3 — Port J bit 3 |
| Broche 83 | PJ4 — Port J bit 4 |
| Broche 84 | PJ5 — Port J bit 5 |
| Broche 85 | PJ6 — Port J bit 6 |
| Broche 86 | PJ7 — Port J bit 7 |
| Broche 87 | PK0 — Port K bit 0 |
| Broche 88 | PK1 — Port K bit 1 |
| Broche 89 | PK2 — Port K bit 2 |
| Broche 90 | PK3 — Port K bit 3 |
| Broche 91 | PK4 — Port K bit 4 |
| Broche 92 | PK5 — Port K bit 5 |
| Broche 93 | PK6 — Port K bit 6 |
| Broche 94 | PK7 — Port K bit 7 |
| Broche 95 | PL0 — Port L bit 0 |
| Broche 96 | PL1 — Port L bit 1 |
| Broche 97 | PL2 — Port L bit 2 |
| Broche 98 | PL3 — Port L bit 3 |
| Broche 99 | PL4 — Port L bit 4 |
| Broche 100 | PL5 — Port L bit 5 |
| Broche 101 | PL6 — Port L bit 6 |
| Broche 102 | PL7 — Port L bit 7 |
| Broche 103 | PM0 — Port M bit 0 |
| Broche 104 | PM1 — Port M bit 1 |
| Broche 105 | PM2 — Port M bit 2 |
| Broche 106 | PM3 — Port M bit 3 |
| Broche 107 | PM4 — Port M bit 4 |
| Broche 108 | PM5 — Port M bit 5 |
| Broche 109 | PM6 — Port M bit 6 |
| Broche 110 | PM7 — Port M bit 7 |
| Broche 111 | PP0 — Port P bit 0 |
| Broche 112 | PP1 — Port P bit 1 |
Applications typiques
MC9S12XA512VAL convient pour 6 applications: Automotive Body Control Module, CAN/LIN Gateway Node, Industrial Motor Drive Controller, Automotive Instrument Cluster, Chassis ECU (ABS / EPS Helper Node), Industrial Sensor Hub / IoT Edge Node.
Automotive Body Control Module
The MC9S12XA512VAL is a strong fit for body control modules because its 512 KB Flash hosts full BCM firmware including lighting, door-lock, and wiper control logic while its 80 MHz HCS12X core and XGATE co-processor handle LINbus traffic deterministically. The 91 GPIO pins map cleanly to BCM load-driver interfaces, and the integrated PWM/LVD/POR simplify automotive-grade power supervision. Placed on a 12 V vehicle bus with a 5 V/2.5 V regulator front-end, the part replaces larger discrete MCU subsystems. Unlike the simpler HCS12, the XGATE offloads LIN scheduling from the main CPU, freeing MIPS for BCM state machines.
Recommandé
CAN/LIN Gateway Node
The MC9S12XA512VAL's SCI, SPI, and LINbus interfaces combined with EBI/EMI expansion make it well suited to a CAN/LIN gateway bridging vehicle network segments. Its 80 MHz core and 32 KB RAM sustain the protocol translation tables, while the XGATE co-processor absorbs interrupt-driven bus traffic without dropping frames. The 112-LQFP footprint exposes 91 I/O lines, enough to drive dual CAN transceivers, multiple LIN slaves, and a debug UART in parallel. A drop-in alternative for reduced-memory designs is the MC9S12XA256VAL; for higher-end gateways the MC9S12XDP512MAG adds enhanced timers.
Recommandé
Industrial Motor Drive Controller
The MC9S12XA512VAL's integrated PWM modules and 80 MHz clock give the throughput needed for sensorless BLDC and stepper motor control in industrial drives. Its HCS12X core executes FOC algorithms while the XGATE handles the high-rate PWM update and ADC triggering. The 91 GPIO pins drive gate-driver enable signals, fault inputs, and encoder feedback channels. A 2.5 V core supply with on-chip POR/LVD simplifies the industrial 24 V bus power tree. Engineers migrating to a smaller Flash budget can drop in the MC9S12XA256VAL; for higher current loops the MC9S12XB256VAL adds more timers.
Recommandé
Automotive Instrument Cluster
Instrument clusters benefit from the MC9S12XA512VAL's 512 KB Flash which can host the full cluster graphics library, gauge animations, and CAN diagnostic stack. Its 32 KB RAM sustains moving-average filters for speed and RPM, while the XGATE offloads the CAN polling loop. The 91 GPIOs drive stepper-motor gauge drivers, LED backlight PWM, and the LCD segment bus. The HCS12X instruction set is mature for cluster code and the NXP CodeWarrior toolchain remains supported. For entry clusters the MC9S12XA256VAL is a cost-reduced drop-in, and the MC9S12XA512CAG offers a commercial temperature grade variant.
Recommandé
Chassis ECU (ABS / EPS Helper Node)
Chassis ECUs use the MC9S12XA512VAL where deterministic PWM and watchdog behavior matter most. The HCS12X core plus XGATE gives the latency budget needed for wheel-speed sampling and electric power steering assist loops. Its integrated WDT and LVD satisfy ASIL-aware safety requirements, while the 91 GPIOs expose sensor inputs and PWM outputs for solenoid drivers. The 112-LQFP package suits sealed ECU enclosures with thermal conduction through the ground pad. Drop-in alternatives in the same package are the MC9S12XD512VAL for richer timer sets and the MC9S12XA512CAL tray variant.
Recommandé
Industrial Sensor Hub / IoT Edge Node
The MC9S12XA512VAL's rich connectivity (I2C, SPI, SCI, LINbus) and 91 GPIO pins make it suitable as an industrial sensor hub aggregating multiple sensor buses. Its 80 MHz HCS12X core runs local edge-filtering algorithms in 32 KB RAM, while the 512 KB Flash holds the protocol stack. The EBI/EMI bus allows external memory expansion for data logging. Compared to newer ARM Cortex-M parts, the MC9S12XA512VAL trades raw DMIPS for deterministic interrupt latency thanks to XGATE, a useful property for time-sensitive industrial protocols.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S12XA512VAL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S12XA512VAG | MC9S12XA512CAG | MC9S12XA512CAL | MC9S12XA256VAL | MC9S12XB256VAL | MC9S12XD512VAL |
|---|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20 mm) | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB | 256 KB | 512 KB |
| RAM Size | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB | 32 KB |
| Max Clock Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Core Sub-family | S12XA | S12XA | S12XA | S12XA | S12XA | S12XB | S12XD |
| XGATE Co-processor | Yes (Enhanced) | Yes (Enhanced) | Yes (Enhanced) | Yes (Enhanced) | Yes (Enhanced) | No | Yes (Enhanced) |
| Number of I/O | 91 | 91 | 91 | 91 | 91 | 91 | 91 |
Principaux différenciateurs
- Enhanced XGATE co-processor for deterministic interrupt offload (vs MC9S12XB256VAL)
- Full 512 KB Flash for large automotive stacks (vs MC9S12XA256VAL)
- Rich peripheral set tuned for vehicle network nodes (vs MC9S12DP512CPVE)
Notes de conception
The MC9S12XA512VAL requires a clean 2.5 V supply on VDDX/VDDA with the on-chip voltage regulator providing the 2.5 V core from an external 5 V source. Decouple VDDX, VDDA, and VDDR with 100 nF ceramic capacitors placed within 5 mm of each pin, plus a 10 uF bulk capacitor on the 5 V input. Hold TEST high in normal operation per the NXP S12XDP512 datasheet, or the device will enter background debug mode and fail to start.
Do not assume all 112-LQFP HCS12X members are software-compatible: the S12XA, S12XB, and S12XD sub-families have different peripheral maps and register layouts. When migrating firmware from the MC9S12XA512VAL to MC9S12XB256VAL (which lacks XGATE), port the XGATE interrupt handlers back to the main CPU. Always validate against the errata sheet in the latest NXP S12XDP512 datasheet revision before committing to a firmware revision.
The 112-LQFP (20x20 mm) package has a theta_JA of approximately 45 C/W on a standard 4-layer JEDEC test board. At 80 MHz CPU and full GPIO toggle, internal dissipation stays below 1 W so junction temperature rise is roughly 45 C above ambient. For sealed automotive enclosures with no airflow, attach a small copper pad heatsink on the exposed die paddle area or use thermal vias under the package center pad for additional heat spreading.
Informations de conformité
AEC-Q100 qualification implied by the V-suffix (automotive temperature grade) per NXP/Freescale HCS12X family convention. RoHS and REACH status not stated in supplied data; halogen-free status likewise not stated. Marked obsolete by NXP per the abc-semi datasheet mirror.
