MC9S12XA512VAL - 16-bit 512KB Flash HCS12X MCU | NXP | 112-LQFP
部品番号: MC9S12XA512VAL ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 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 概要
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.
ドロップイン代替品: MC9S12XA512VAL — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MC9S12XA512VAL （同一形状・フットプリント） — 相違点: Package, ADC, General-Purpose I/O, Series.
クイック比較ツール — 並列比較する代替部品を選択:
MC9S12XA512VAG
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S12XA512CAG
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S12XA512CAL
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$9.1 / 個
データシートを見る →MC9S12XA256VAL
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S12XB256VAL
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S12XD512VAL
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S12XA512VAL 最大定格＆電気的特性
| 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 |
| 電源電圧 | 2.5 V |
| Number of I/O | 91 |
| Connectivity | EBI/EMI, I2C, IrDA, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| パッケージ | 112-LQFP (20x20 mm) |
| 実装タイプ | Surface Mount |
| Series | HCS12X (S12XA sub-family) |
MC9S12XA512VAL ピン構成
| ピン 1 | IRQ — External interrupt request input |
| ピン 2 | XIRQ — Non-maskable external interrupt |
| ピン 3 | RESET — Active-low reset input |
| ピン 4 | MODC — Mode selection |
| ピン 5 | VDDR — Voltage regulator supply |
| ピン 6 | VSS — Digital ground |
| ピン 7 | VDDX — External supply (2.5 V) |
| ピン 8 | VSSX — External ground |
| ピン 9 | OSC1 — Crystal oscillator input |
| ピン 10 | OSC2 — Crystal oscillator output |
| ピン 11 | TEST — Test mode pin (must be held high in normal operation) |
| ピン 12 | BKGD — Background Debug Mode pin |
| ピン 13 | PAD0 — External data bus bit 0 |
| ピン 14 | PAD1 — External data bus bit 1 |
| ピン 15 | PAD2 — External data bus bit 2 |
| ピン 16 | PAD3 — External data bus bit 3 |
| ピン 17 | PAD4 — External data bus bit 4 |
| ピン 18 | PAD5 — External data bus bit 5 |
| ピン 19 | PAD6 — External data bus bit 6 |
| ピン 20 | PAD7 — External data bus bit 7 |
| ピン 21 | PAD8 — External data bus bit 8 |
| ピン 22 | PAD9 — External data bus bit 9 |
| ピン 23 | PAD10 — External data bus bit 10 |
| ピン 24 | PAD11 — External data bus bit 11 |
| ピン 25 | PAD12 — External data bus bit 12 |
| ピン 26 | PAD13 — External data bus bit 13 |
| ピン 27 | PAD14 — External data bus bit 14 |
| ピン 28 | PAD15 — External data bus bit 15 |
| ピン 29 | PA0 — Port A bit 0 / address bus bit 0 |
| ピン 30 | PA1 — Port A bit 1 / address bus bit 1 |
| ピン 31 | PA2 — Port A bit 2 / address bus bit 2 |
| ピン 32 | PA3 — Port A bit 3 / address bus bit 3 |
| ピン 33 | PA4 — Port A bit 4 / address bus bit 4 |
| ピン 34 | PA5 — Port A bit 5 / address bus bit 5 |
| ピン 35 | PA6 — Port A bit 6 / address bus bit 6 |
| ピン 36 | PA7 — Port A bit 7 / address bus bit 7 |
| ピン 37 | VDDA — Analog supply (2.5 V) |
| ピン 38 | VSSA — Analog ground |
| ピン 39 | PAD16 — Port D bit 0 / address bus bit 16 |
| ピン 40 | PAD17 — Port D bit 1 / address bus bit 17 |
| ピン 41 | PAD18 — Port D bit 2 / address bus bit 18 |
| ピン 42 | PAD19 — Port D bit 3 / address bus bit 19 |
| ピン 43 | PAD20 — Port D bit 4 / address bus bit 20 |
| ピン 44 | PAD21 — Port D bit 5 / address bus bit 21 |
| ピン 45 | PAD22 — Port D bit 6 / address bus bit 22 |
| ピン 46 | PAD23 — Port D bit 7 / address bus bit 23 |
| ピン 47 | PE0 — Port E bit 0 / IRQ |
| ピン 48 | PE1 — Port E bit 1 / IRQ |
| ピン 49 | PE2 — Port E bit 2 / IRQ |
| ピン 50 | PE3 — Port E bit 3 / IRQ |
| ピン 51 | PE4 — Port E bit 4 / XIRQ |
| ピン 52 | PE5 — Port E bit 5 / SCI TX |
| ピン 53 | PE6 — Port E bit 6 / SCI RX |
| ピン 54 | PE7 — Port E bit 7 |
| ピン 55 | PF0 — Port F bit 0 / SPI SCK |
| ピン 56 | PF1 — Port F bit 1 / SPI MOSI |
| ピン 57 | PF2 — Port F bit 2 / SPI MISO |
| ピン 58 | PF3 — Port F bit 3 / SPI SS |
| ピン 59 | PF4 — Port F bit 4 / PWM channel |
| ピン 60 | PF5 — Port F bit 5 / PWM channel |
| ピン 61 | PF6 — Port F bit 6 / PWM channel |
| ピン 62 | PF7 — Port F bit 7 / PWM channel |
| ピン 63 | PG0 — Port G bit 0 / CAN TX |
| ピン 64 | PG1 — Port G bit 1 / CAN RX |
| ピン 65 | PG2 — Port G bit 2 |
| ピン 66 | PG3 — Port G bit 3 |
| ピン 67 | PG4 — Port G bit 4 |
| ピン 68 | PG5 — Port G bit 5 |
| ピン 69 | PG6 — Port G bit 6 |
| ピン 70 | PG7 — Port G bit 7 |
| ピン 71 | PH0 — Port H bit 0 / I2C SCL |
| ピン 72 | PH1 — Port H bit 1 / I2C SDA |
| ピン 73 | PH2 — Port H bit 2 / LIN TX |
| ピン 74 | PH3 — Port H bit 3 / LIN RX |
| ピン 75 | PH4 — Port H bit 4 |
| ピン 76 | PH5 — Port H bit 5 |
| ピン 77 | PH6 — Port H bit 6 |
| ピン 78 | PH7 — Port H bit 7 |
| ピン 79 | PJ0 — Port J bit 0 |
| ピン 80 | PJ1 — Port J bit 1 |
| ピン 81 | PJ2 — Port J bit 2 |
| ピン 82 | PJ3 — Port J bit 3 |
| ピン 83 | PJ4 — Port J bit 4 |
| ピン 84 | PJ5 — Port J bit 5 |
| ピン 85 | PJ6 — Port J bit 6 |
| ピン 86 | PJ7 — Port J bit 7 |
| ピン 87 | PK0 — Port K bit 0 |
| ピン 88 | PK1 — Port K bit 1 |
| ピン 89 | PK2 — Port K bit 2 |
| ピン 90 | PK3 — Port K bit 3 |
| ピン 91 | PK4 — Port K bit 4 |
| ピン 92 | PK5 — Port K bit 5 |
| ピン 93 | PK6 — Port K bit 6 |
| ピン 94 | PK7 — Port K bit 7 |
| ピン 95 | PL0 — Port L bit 0 |
| ピン 96 | PL1 — Port L bit 1 |
| ピン 97 | PL2 — Port L bit 2 |
| ピン 98 | PL3 — Port L bit 3 |
| ピン 99 | PL4 — Port L bit 4 |
| ピン 100 | PL5 — Port L bit 5 |
| ピン 101 | PL6 — Port L bit 6 |
| ピン 102 | PL7 — Port L bit 7 |
| ピン 103 | PM0 — Port M bit 0 |
| ピン 104 | PM1 — Port M bit 1 |
| ピン 105 | PM2 — Port M bit 2 |
| ピン 106 | PM3 — Port M bit 3 |
| ピン 107 | PM4 — Port M bit 4 |
| ピン 108 | PM5 — Port M bit 5 |
| ピン 109 | PM6 — Port M bit 6 |
| ピン 110 | PM7 — Port M bit 7 |
| ピン 111 | PP0 — Port P bit 0 |
| ピン 112 | PP1 — Port P bit 1 |
主な用途
MC9S12XA512VAL の用途: 6 件s: 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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MC9S12XA512VAL — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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 |
主な差別化要因
- 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)
設計ノート
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.
コンプライアンス情報
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.
