MC9S12XA512CFV - 16-Bit HCS12X MCU 512KB Flash 40MHz | NXP
N.º da peça: MC9S12XA512CFV ✓ Ativo| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para MC9S12XA512CFV — 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 MC9S12XA512CFV (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Flash Memory, Core, EEPROM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XA512CAGR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12XA512CFUE
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12XEQ384CAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XET512BMAGR
✅ Drop-In✓ Em estoque
$6.6 / unidade
Ver ficha técnica →MC9S12XDT512MAA
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XA512CFV Classificações máximas e características elétricas
| Core | CPU12 (16-bit HCS12X) |
| Maximum CPU Clock | 40 MHz |
| Flash Memory | 512 KB (512K x 8) |
| Encapsulamento | 144-pin LQFP (LFQFP), 20x20 mm |
| Terminal Form | GULL WING |
| No. of Terminals | 144 |
| Package Code | LFQFP |
| Package Shape | SQUARE |
| Temperature Grade | INDUSTRIAL |
| Tensão de alimentação | 3.15 V to 5.5 V (single supply) |
| Temperatura de operação | -40 C to +85 C |
| ADC | 16-channel, 10-bit (per family datasheet) |
| XGATE Coprocessor | Yes (per S12XA family) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Configuração de pinos do MC9S12XA512CFV
| Pino 1 | TEST — Test mode pin (per datasheet) |
| Pino 2 | VDDR — Voltage regulator supply |
| Pino 3 | VDD — Digital supply voltage |
| Pino 4 | VSS — Digital ground |
| Pino 5 | VDDX — I/O supply voltage |
| Pino 6 | VSSX — I/O ground |
| Pino 7 | XCLKS — Clock mode select |
| Pino 8 | EXTAL — External oscillator input |
| Pino 9 | XTAL — External oscillator output |
| Pino 10 | RESET — Reset input (active low) |
| Pino 11 | BKGD — Background debug mode |
| Pino 12 | MODC — Mode selection |
| Pino 13 | PAD0 — Port AD bit 0 / AN0 |
| Pino 14 | PAD1 — Port AD bit 1 / AN1 |
| Pino 15 | PAD2 — Port AD bit 2 / AN2 |
| Pino 16 | PAD3 — Port AD bit 3 / AN3 |
| Pino 17 | PAD4 — Port AD bit 4 / AN4 |
| Pino 18 | PAD5 — Port AD bit 5 / AN5 |
| Pino 19 | PAD6 — Port AD bit 6 / AN6 |
| Pino 20 | PAD7 — Port AD bit 7 / AN7 |
| Pino 21 | PAD8 — Port AD bit 8 / AN8 |
| Pino 22 | PAD9 — Port AD bit 9 / AN9 |
| Pino 23 | PAD10 — Port AD bit 10 / AN10 |
| Pino 24 | PAD11 — Port AD bit 11 / AN11 |
| Pino 25 | PAD12 — Port AD bit 12 / AN12 |
| Pino 26 | PAD13 — Port AD bit 13 / AN13 |
| Pino 27 | PAD14 — Port AD bit 14 / AN14 |
| Pino 28 | PAD15 — Port AD bit 15 / AN15 |
| Pino 29 | VDDA — Analog supply voltage |
| Pino 30 | VSSA — Analog ground |
| Pino 31 | VRH — ADC reference high |
| Pino 32 | VRL — ADC reference low |
| Pino 33 | PWM0 — PWM channel 0 |
| Pino 34 | PWM1 — PWM channel 1 |
| Pino 35 | PWM2 — PWM channel 2 |
| Pino 36 | PWM3 — PWM channel 3 |
| Pino 37 | PWM4 — PWM channel 4 |
| Pino 38 | PWM5 — PWM channel 5 |
| Pino 39 | PWM6 — PWM channel 6 |
| Pino 40 | PWM7 — PWM channel 7 |
| Pino 41 | PP0 — Port P bit 0 / PWM8 |
| Pino 42 | PP1 — Port P bit 1 / PWM9 |
| Pino 43 | PP2 — Port P bit 2 |
| Pino 44 | PP3 — Port P bit 3 |
| Pino 45 | PP4 — Port P bit 4 |
| Pino 46 | PP5 — Port P bit 5 |
| Pino 47 | PP6 — Port P bit 6 |
| Pino 48 | PP7 — Port P bit 7 |
| Pino 49 | PTT0 — Port T bit 0 / IOC0 |
| Pino 50 | PTT1 — Port T bit 1 / IOC1 |
| Pino 51 | PTT2 — Port T bit 2 / IOC2 |
| Pino 52 | PTT3 — Port T bit 3 / IOC3 |
| Pino 53 | PTT4 — Port T bit 4 |
| Pino 54 | PTT5 — Port T bit 5 |
| Pino 55 | PTT6 — Port T bit 6 |
| Pino 56 | PTT7 — Port T bit 7 |
| Pino 57 | PTP0 — Port P bit 0 |
| Pino 58 | PTP1 — Port P bit 1 |
| Pino 59 | PTP2 — Port P bit 2 |
| Pino 60 | PTP3 — Port P bit 3 |
| Pino 61 | PTP4 — Port P bit 4 |
| Pino 62 | PTP5 — Port P bit 5 |
| Pino 63 | PTP6 — Port P bit 6 |
| Pino 64 | PTP7 — Port P bit 7 |
| Pino 65 | PTJ0 — Port J bit 0 |
| Pino 66 | PTJ1 — Port J bit 1 |
| Pino 67 | PTJ2 — Port J bit 2 |
| Pino 68 | PTJ3 — Port J bit 3 |
| Pino 69 | PTJ4 — Port J bit 4 |
| Pino 70 | PTJ5 — Port J bit 5 |
| Pino 71 | PTJ6 — Port J bit 6 |
| Pino 72 | PTJ7 — Port J bit 7 |
| Pino 73 | PM0 — Port M bit 0 / CAN0TX |
| Pino 74 | PM1 — Port M bit 1 / CAN0RX |
| Pino 75 | PM2 — Port M bit 2 / CAN1TX |
| Pino 76 | PM3 — Port M bit 3 / CAN1RX |
| Pino 77 | PM4 — Port M bit 4 |
| Pino 78 | PM5 — Port M bit 5 |
| Pino 79 | PM6 — Port M bit 6 |
| Pino 80 | PM7 — Port M bit 7 |
| Pino 81 | PS0 — Port S bit 0 / SPI0SCK |
| Pino 82 | PS1 — Port S bit 1 / SPI0MOSI |
| Pino 83 | PS2 — Port S bit 2 / SPI0MISO |
| Pino 84 | PS3 — Port S bit 3 / SPI0SS |
| Pino 85 | PS4 — Port S bit 4 / SCI0TX |
| Pino 86 | PS5 — Port S bit 5 / SCI0RX |
| Pino 87 | PS6 — Port S bit 6 / SCI1TX |
| Pino 88 | PS7 — Port S bit 7 / SCI1RX |
| Pino 89 | PQ0 — Port Q bit 0 / SPI1SCK |
| Pino 90 | PQ1 — Port Q bit 1 / SPI1MOSI |
| Pino 91 | PQ2 — Port Q bit 2 / SPI1MISO |
| Pino 92 | PQ3 — Port Q bit 3 / SPI1SS |
| Pino 93 | PQ4 — Port Q bit 4 |
| Pino 94 | PQ5 — Port Q bit 5 |
| Pino 95 | PQ6 — Port Q bit 6 |
| Pino 96 | PQ7 — Port Q bit 7 |
| Pino 97 | PR0 — Port R bit 0 / TIM0IOC0 |
| Pino 98 | PR1 — Port R bit 1 / TIM0IOC1 |
| Pino 99 | PR2 — Port R bit 2 / TIM0IOC2 |
| Pino 100 | PR3 — Port R bit 3 / TIM0IOC3 |
| Pino 101 | PR4 — Port R bit 4 / TIM0IOC4 |
| Pino 102 | PR5 — Port R bit 5 / TIM0IOC5 |
| Pino 103 | PR6 — Port R bit 6 / TIM0IOC6 |
| Pino 104 | PR7 — Port R bit 7 / TIM0IOC7 |
| Pino 105 | PU0 — Port U bit 0 |
| Pino 106 | PU1 — Port U bit 1 |
| Pino 107 | PU2 — Port U bit 2 |
| Pino 108 | PU3 — Port U bit 3 |
| Pino 109 | PU4 — Port U bit 4 |
| Pino 110 | PU5 — Port U bit 5 |
| Pino 111 | PU6 — Port U bit 6 |
| Pino 112 | PU7 — Port U bit 7 |
| Pino 113 | PV0 — Port V bit 0 |
| Pino 114 | PV1 — Port V bit 1 |
| Pino 115 | PV2 — Port V bit 2 |
| Pino 116 | PV3 — Port V bit 3 |
| Pino 117 | PV4 — Port V bit 4 |
| Pino 118 | PV5 — Port V bit 5 |
| Pino 119 | PV6 — Port V bit 6 |
| Pino 120 | PV7 — Port V bit 7 |
| Pino 121 | PW0 — Port W bit 0 |
| Pino 122 | PW1 — Port W bit 1 |
| Pino 123 | PW2 — Port W bit 2 |
| Pino 124 | PW3 — Port W bit 3 |
| Pino 125 | PW4 — Port W bit 4 |
| Pino 126 | PW5 — Port W bit 5 |
| Pino 127 | PW6 — Port W bit 6 |
| Pino 128 | PW7 — Port W bit 7 |
| Pino 129 | PE0 — Port E bit 0 / XIRQ |
| Pino 130 | PE1 — Port E bit 1 / IRQ |
| Pino 131 | PE2 — Port E bit 2 |
| Pino 132 | PE3 — Port E bit 3 |
| Pino 133 | PE4 — Port E bit 4 |
| Pino 134 | PE5 — Port E bit 5 |
| Pino 135 | PE6 — Port E bit 6 |
| Pino 136 | PE7 — Port E bit 7 |
| Pino 137 | PF0 — Port F bit 0 |
| Pino 138 | PF1 — Port F bit 1 |
| Pino 139 | PF2 — Port F bit 2 |
| Pino 140 | PF3 — Port F bit 3 |
| Pino 141 | PF4 — Port F bit 4 |
| Pino 142 | PF5 — Port F bit 5 |
| Pino 143 | PF6 — Port F bit 6 |
| Pino 144 | PF7 — Port F bit 7 |
Aplicações típicas
MC9S12XA512CFV é adequado para 7 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12XA512CFV — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
Industrial temperature grade; not AEC-Q100 qualified - choose MC9S12XA512CAGR for automotive. RoHS and lead-free confirmed per NXP product page.
