MC9S12XA512VAL - 16-bit 512KB Flash HCS12X MCU | NXP | 112-LQFP
N.º da peça: MC9S12XA512VAL ✗ Fim de vida| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para MC9S12XA512VAL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC9S12XA512VAL (mesmo formato e footprint) — diferindo em Package, ADC, General-Purpose I/O, Series.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XA512VAG
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12XA512CAG
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12XA512CAL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$9.1 / unidade
Ver ficha técnica →MC9S12XA256VAL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12XB256VAL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12XD512VAL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12XA512VAL Classificações máximas e características elétricas
| 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 |
| Tensão de alimentação | 2.5 V |
| Number of I/O | 91 |
| Connectivity | EBI/EMI, I2C, IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Encapsulamento | 112-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Series | HCS12X (S12XA sub-family) |
Configuração de pinos do MC9S12XA512VAL
| Pino 1 | IRQ — External interrupt request input |
| Pino 2 | XIRQ — Non-maskable external interrupt |
| Pino 3 | RESET — Active-low reset input |
| Pino 4 | MODC — Mode selection |
| Pino 5 | VDDR — Voltage regulator supply |
| Pino 6 | VSS — Digital ground |
| Pino 7 | VDDX — External supply (2.5 V) |
| Pino 8 | VSSX — External ground |
| Pino 9 | OSC1 — Crystal oscillator input |
| Pino 10 | OSC2 — Crystal oscillator output |
| Pino 11 | TEST — Test mode pin (must be held high in normal operation) |
| Pino 12 | BKGD — Background Debug Mode pin |
| Pino 13 | PAD0 — External data bus bit 0 |
| Pino 14 | PAD1 — External data bus bit 1 |
| Pino 15 | PAD2 — External data bus bit 2 |
| Pino 16 | PAD3 — External data bus bit 3 |
| Pino 17 | PAD4 — External data bus bit 4 |
| Pino 18 | PAD5 — External data bus bit 5 |
| Pino 19 | PAD6 — External data bus bit 6 |
| Pino 20 | PAD7 — External data bus bit 7 |
| Pino 21 | PAD8 — External data bus bit 8 |
| Pino 22 | PAD9 — External data bus bit 9 |
| Pino 23 | PAD10 — External data bus bit 10 |
| Pino 24 | PAD11 — External data bus bit 11 |
| Pino 25 | PAD12 — External data bus bit 12 |
| Pino 26 | PAD13 — External data bus bit 13 |
| Pino 27 | PAD14 — External data bus bit 14 |
| Pino 28 | PAD15 — External data bus bit 15 |
| Pino 29 | PA0 — Port A bit 0 / address bus bit 0 |
| Pino 30 | PA1 — Port A bit 1 / address bus bit 1 |
| Pino 31 | PA2 — Port A bit 2 / address bus bit 2 |
| Pino 32 | PA3 — Port A bit 3 / address bus bit 3 |
| Pino 33 | PA4 — Port A bit 4 / address bus bit 4 |
| Pino 34 | PA5 — Port A bit 5 / address bus bit 5 |
| Pino 35 | PA6 — Port A bit 6 / address bus bit 6 |
| Pino 36 | PA7 — Port A bit 7 / address bus bit 7 |
| Pino 37 | VDDA — Analog supply (2.5 V) |
| Pino 38 | VSSA — Analog ground |
| Pino 39 | PAD16 — Port D bit 0 / address bus bit 16 |
| Pino 40 | PAD17 — Port D bit 1 / address bus bit 17 |
| Pino 41 | PAD18 — Port D bit 2 / address bus bit 18 |
| Pino 42 | PAD19 — Port D bit 3 / address bus bit 19 |
| Pino 43 | PAD20 — Port D bit 4 / address bus bit 20 |
| Pino 44 | PAD21 — Port D bit 5 / address bus bit 21 |
| Pino 45 | PAD22 — Port D bit 6 / address bus bit 22 |
| Pino 46 | PAD23 — Port D bit 7 / address bus bit 23 |
| Pino 47 | PE0 — Port E bit 0 / IRQ |
| Pino 48 | PE1 — Port E bit 1 / IRQ |
| Pino 49 | PE2 — Port E bit 2 / IRQ |
| Pino 50 | PE3 — Port E bit 3 / IRQ |
| Pino 51 | PE4 — Port E bit 4 / XIRQ |
| Pino 52 | PE5 — Port E bit 5 / SCI TX |
| Pino 53 | PE6 — Port E bit 6 / SCI RX |
| Pino 54 | PE7 — Port E bit 7 |
| Pino 55 | PF0 — Port F bit 0 / SPI SCK |
| Pino 56 | PF1 — Port F bit 1 / SPI MOSI |
| Pino 57 | PF2 — Port F bit 2 / SPI MISO |
| Pino 58 | PF3 — Port F bit 3 / SPI SS |
| Pino 59 | PF4 — Port F bit 4 / PWM channel |
| Pino 60 | PF5 — Port F bit 5 / PWM channel |
| Pino 61 | PF6 — Port F bit 6 / PWM channel |
| Pino 62 | PF7 — Port F bit 7 / PWM channel |
| Pino 63 | PG0 — Port G bit 0 / CAN TX |
| Pino 64 | PG1 — Port G bit 1 / CAN RX |
| Pino 65 | PG2 — Port G bit 2 |
| Pino 66 | PG3 — Port G bit 3 |
| Pino 67 | PG4 — Port G bit 4 |
| Pino 68 | PG5 — Port G bit 5 |
| Pino 69 | PG6 — Port G bit 6 |
| Pino 70 | PG7 — Port G bit 7 |
| Pino 71 | PH0 — Port H bit 0 / I2C SCL |
| Pino 72 | PH1 — Port H bit 1 / I2C SDA |
| Pino 73 | PH2 — Port H bit 2 / LIN TX |
| Pino 74 | PH3 — Port H bit 3 / LIN RX |
| Pino 75 | PH4 — Port H bit 4 |
| Pino 76 | PH5 — Port H bit 5 |
| Pino 77 | PH6 — Port H bit 6 |
| Pino 78 | PH7 — Port H bit 7 |
| Pino 79 | PJ0 — Port J bit 0 |
| Pino 80 | PJ1 — Port J bit 1 |
| Pino 81 | PJ2 — Port J bit 2 |
| Pino 82 | PJ3 — Port J bit 3 |
| Pino 83 | PJ4 — Port J bit 4 |
| Pino 84 | PJ5 — Port J bit 5 |
| Pino 85 | PJ6 — Port J bit 6 |
| Pino 86 | PJ7 — Port J bit 7 |
| Pino 87 | PK0 — Port K bit 0 |
| Pino 88 | PK1 — Port K bit 1 |
| Pino 89 | PK2 — Port K bit 2 |
| Pino 90 | PK3 — Port K bit 3 |
| Pino 91 | PK4 — Port K bit 4 |
| Pino 92 | PK5 — Port K bit 5 |
| Pino 93 | PK6 — Port K bit 6 |
| Pino 94 | PK7 — Port K bit 7 |
| Pino 95 | PL0 — Port L bit 0 |
| Pino 96 | PL1 — Port L bit 1 |
| Pino 97 | PL2 — Port L bit 2 |
| Pino 98 | PL3 — Port L bit 3 |
| Pino 99 | PL4 — Port L bit 4 |
| Pino 100 | PL5 — Port L bit 5 |
| Pino 101 | PL6 — Port L bit 6 |
| Pino 102 | PL7 — Port L bit 7 |
| Pino 103 | PM0 — Port M bit 0 |
| Pino 104 | PM1 — Port M bit 1 |
| Pino 105 | PM2 — Port M bit 2 |
| Pino 106 | PM3 — Port M bit 3 |
| Pino 107 | PM4 — Port M bit 4 |
| Pino 108 | PM5 — Port M bit 5 |
| Pino 109 | PM6 — Port M bit 6 |
| Pino 110 | PM7 — Port M bit 7 |
| Pino 111 | PP0 — Port P bit 0 |
| Pino 112 | PP1 — Port P bit 1 |
Aplicações típicas
MC9S12XA512VAL é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12XA512VAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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.
