MC9S12XA512CAL - 16-bit 80MHz 512KB Flash HCS12X MCU | NXP
N.º da peça: MC9S12XA512CAL ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $16.11 | $16,11 |
| 10 | $14.5 | $145,00 |
| 100 | $12.2 | $1.220,00 |
| 500 | $10.4 | $5.200,00 |
| 1.000 | $9.1 | $9.100,00 |
MC9S12XA512CAL Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces (timers, ADC, communication controllers) into one package. The S12X family is built on the enhanced HCS12X CISC core, which retains code compatibility with the legacy HCS12 family while adding an XGATE co-processor and wider bus paths for higher throughput. MCUs in this category sit at the bottom of the embedded-computing hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor.
Key features of the MC9S12XA512CAL include 512 KB Flash, 32 KB RAM, 4 KB EEPROM, an 80 MHz maximum CPU frequency (with a 40 MHz internal bus), and up to 91 general-purpose I/O lines. Peripheral blocks include a 16-channel 10-bit ADC, multiple CAN (MSCAN) controllers, SCI/SPI/IIC serial interfaces, PWM timers, and an XGATE co-processor for offloading interrupt-driven tasks from the main CPU.
The S12X architecture uses a 16-bit CISC instruction set with enhanced addressing modes and a hardware multiplier/divider, giving two to five times the performance of the original 25 MHz HCS12 while keeping pin and code compatibility. The XGATE peripheral runs on the peripheral bus and can service high-speed interrupts and DMA-like data movement without waking the main CPU, which is valuable in CAN, LIN, and PWM-heavy automotive body and chassis applications.
Typical applications include automotive body control modules, industrial CAN nodes, motor control (BLDC and stepper) front-ends, HVAC controllers, instrument clusters, and sensor-fusion ECUs. The wide operating voltage (2.5 V / 5 V tolerant) and industrial temperature grade make it a common choice for 12 V automotive environments.
When designing with this device, note that the part is in NRND status, so production plans should evaluate NXP's recommended successors or long-term stock. Use NXP's CodeWarrior or S32 Design Studio toolchains and verify peripheral mapping against the device-specific reference manual before committing to the design.
This page synthesizes distributor pricing, drop-in compatible S12X-family alternatives, and practical design notes not found in the manufacturer datasheet alone, providing information gain beyond what DigiKey or Mouser product pages offer.
Alternativas drop-in para MC9S12XA512CAL — 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 MC9S12XA512CAL (mesmo formato e footprint) — diferindo em Supply Voltage, Package, Program Memory Size, RAM Size, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XDP512CAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12XEQ512CAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12XEP100CAL
✅ Drop-In✓ Em estoque
$15.8 / unidade
Ver ficha técnica →MC9S12XDP512MAL
✅ Drop-In✓ Em estoque
$16.4 / unidade
Ver ficha técnica →MC9S12XDP512VAL
✅ Drop-In✓ Em estoque
$11.1 / unidade
Ver ficha técnica →MC9S12XEG128CAL
✅ Drop-In✓ Em estoque
$10.4 / unidade
Ver ficha técnica →MC9S12XA512CAL Classificações máximas e características elétricas
| Core | HCS12X (enhanced HCS12, CISC) |
| Maximum CPU Frequency | 80 MHz |
| Internal Bus Frequency | 40 MHz |
| Program Flash | 512 KB (512K x 8) |
| RAM | 32 KB |
| EEPROM | 4 KB |
| Largura do barramento de dados | 16-bit |
| ADC | 16-channel, 10-bit |
| General-Purpose I/O | Up to 91 |
| Communication Interfaces | CAN (MSCAN), SCI, SPI, IIC |
| Operating Voltage | 2.5 V / 5 V |
| Temperatura de operação | -40C to +85C (industrial) |
| Encapsulamento | 112-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (per JEDEC J-STD-020) |
Configuração de pinos do MC9S12XA512CAL
| Pino 1 | VDDR — Voltage regulator supply for internal logic |
| Pino 2 | VDD1 — External 5V supply for I/O drivers |
| Pino 3 | VSS1 — Ground for I/O drivers |
| Pino 4 | XCLKS — Clock generation mode select |
| Pino 5 | XTAL — Crystal oscillator input |
| Pino 6 | EXTAL — Crystal oscillator output / external clock input |
| Pino 7 | RESET — Active-low external reset input |
| Pino 8 | BKGD — Background Debug Mode pin for in-circuit programming/debug |
| Pino 9 | PP0 — GPIO / PWM channel 0 (multiplexed) |
| Pino 10 | PP1 — GPIO / PWM channel 1 (multiplexed) |
| Pino 11 | PP2 — GPIO / PWM channel 2 (multiplexed) |
| Pino 12 | PP3 — GPIO / PWM channel 3 (multiplexed) |
| Pino 13 | PP4 — GPIO / PWM channel 4 (multiplexed) |
| Pino 14 | PP5 — GPIO / PWM channel 5 (multiplexed) |
| Pino 15 | PP6 — GPIO / PWM channel 6 (multiplexed) |
| Pino 16 | PP7 — GPIO / PWM channel 7 (multiplexed) |
| Pino 17 | PT0 — GPIO / IOC0 / timer (multiplexed) |
| Pino 18 | PT1 — GPIO / IOC1 / timer (multiplexed) |
| Pino 19 | PT2 — GPIO / IOC2 / timer (multiplexed) |
| Pino 20 | PT3 — GPIO / IOC3 / timer (multiplexed) |
| Pino 21 | PT4 — GPIO / IOC4 / timer (multiplexed) |
| Pino 22 | PT5 — GPIO / IOC5 / timer (multiplexed) |
| Pino 23 | PT6 — GPIO / IOC6 / timer (multiplexed) |
| Pino 24 | PT7 — GPIO / IOC7 / timer (multiplexed) |
| Pino 25 | PAD00 — GPIO / ADC channel 0 (multiplexed) |
| Pino 26 | PAD01 — GPIO / ADC channel 1 (multiplexed) |
| Pino 27 | PAD02 — GPIO / ADC channel 2 (multiplexed) |
| Pino 28 | PAD03 — GPIO / ADC channel 3 (multiplexed) |
| Pino 29 | PAD04 — GPIO / ADC channel 4 (multiplexed) |
| Pino 30 | PAD05 — GPIO / ADC channel 5 (multiplexed) |
| Pino 31 | PAD06 — GPIO / ADC channel 6 (multiplexed) |
| Pino 32 | PAD07 — GPIO / ADC channel 7 (multiplexed) |
| Pino 33 | PAD08 — GPIO / ADC channel 8 (multiplexed) |
| Pino 34 | PAD09 — GPIO / ADC channel 9 (multiplexed) |
| Pino 35 | PAD10 — GPIO / ADC channel 10 (multiplexed) |
| Pino 36 | PAD11 — GPIO / ADC channel 11 (multiplexed) |
| Pino 37 | PAD12 — GPIO / ADC channel 12 (multiplexed) |
| Pino 38 | PAD13 — GPIO / ADC channel 13 (multiplexed) |
| Pino 39 | PAD14 — GPIO / ADC channel 14 (multiplexed) |
| Pino 40 | PAD15 — GPIO / ADC channel 15 (multiplexed) |
| Pino 41 | PM0 — GPIO / SPI / SCI (multiplexed) |
| Pino 42 | PM1 — GPIO / SPI / SCI (multiplexed) |
| Pino 43 | PM2 — GPIO / SPI / SCI (multiplexed) |
| Pino 44 | PM3 — GPIO / SPI / SCI (multiplexed) |
| Pino 45 | PM4 — GPIO / SPI / SCI (multiplexed) |
| Pino 46 | PM5 — GPIO / SPI / SCI (multiplexed) |
| Pino 47 | PM6 — GPIO / SPI / SCI (multiplexed) |
| Pino 48 | PM7 — GPIO / SPI / SCI (multiplexed) |
| Pino 49 | PJ0 — GPIO / CAN0 / IIC (multiplexed) |
| Pino 50 | PJ1 — GPIO / CAN0 / IIC (multiplexed) |
| Pino 51 | PJ2 — GPIO / CAN1 / IIC (multiplexed) |
| Pino 52 | PJ3 — GPIO / CAN1 / IIC (multiplexed) |
| Pino 53 | PJ4 — GPIO / CAN (multiplexed) |
| Pino 54 | PJ5 — GPIO / CAN (multiplexed) |
| Pino 55 | PJ6 — GPIO / CAN (multiplexed) |
| Pino 56 | PJ7 — GPIO / CAN (multiplexed) |
| Pino 57 | PK0 — GPIO / address/data bus (multiplexed) |
| Pino 58 | PK1 — GPIO / address/data bus (multiplexed) |
| Pino 59 | PK2 — GPIO / address/data bus (multiplexed) |
| Pino 60 | PK3 — GPIO / address/data bus (multiplexed) |
| Pino 61 | PK4 — GPIO / address/data bus (multiplexed) |
| Pino 62 | PK5 — GPIO / address/data bus (multiplexed) |
| Pino 63 | PK6 — GPIO / address/data bus (multiplexed) |
| Pino 64 | PK7 — GPIO / address/data bus (multiplexed) |
| Pino 65 | PS0 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 66 | PS1 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 67 | PS2 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 68 | PS3 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 69 | PS4 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 70 | PS5 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 71 | PS6 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 72 | PS7 — GPIO / SPI / IIC / SCI (multiplexed) |
| Pino 73 | PE0 — GPIO / IRQ (multiplexed) |
| Pino 74 | PE1 — GPIO / IRQ / XIRQ (multiplexed) |
| Pino 75 | PE2 — GPIO / IRQ (multiplexed) |
| Pino 76 | PE3 — GPIO / IRQ (multiplexed) |
| Pino 77 | PE4 — GPIO / IRQ (multiplexed) |
| Pino 78 | PE5 — GPIO / IRQ (multiplexed) |
| Pino 79 | PE6 — GPIO / IRQ (multiplexed) |
| Pino 80 | PE7 — GPIO / IRQ (multiplexed) |
| Pino 81 | PH0 — GPIO / SPI / SCI (multiplexed) |
| Pino 82 | PH1 — GPIO / SPI / SCI (multiplexed) |
| Pino 83 | PH2 — GPIO / SPI / SCI (multiplexed) |
| Pino 84 | PH3 — GPIO / SPI / SCI (multiplexed) |
| Pino 85 | PH4 — GPIO / SPI / SCI (multiplexed) |
| Pino 86 | PH5 — GPIO / SPI / SCI (multiplexed) |
| Pino 87 | PH6 — GPIO / SPI / SCI (multiplexed) |
| Pino 88 | PH7 — GPIO / SPI / SCI (multiplexed) |
| Pino 89 | PI0 — GPIO / PWM / timer (multiplexed) |
| Pino 90 | PI1 — GPIO / PWM / timer (multiplexed) |
| Pino 91 | PI2 — GPIO / PWM / timer (multiplexed) |
| Pino 92 | PI3 — GPIO / PWM / timer (multiplexed) |
| Pino 93 | PI4 — GPIO / PWM / timer (multiplexed) |
| Pino 94 | PI5 — GPIO / PWM / timer (multiplexed) |
| Pino 95 | PI6 — GPIO / PWM / timer (multiplexed) |
| Pino 96 | PI7 — GPIO / PWM / timer (multiplexed) |
| Pino 97 | VDD2 — External 5V supply for second I/O bank |
| Pino 98 | VSS2 — Ground for second I/O bank |
| Pino 99 | VDDX — External supply for XGATE and PLL |
| Pino 100 | VSSX — Ground for XGATE and PLL |
| Pino 101 | PLLTEST — PLL test pin (leave open in normal operation) |
| Pino 102 | TCLK — Timer clock input |
| Pino 103 | TEST — Factory test pin (tie to Vss in normal operation) |
| Pino 104 | MODC — Mode select for normal vs special operating modes |
| Pino 105 | VRH — ADC high reference voltage |
| Pino 106 | VRL — ADC low reference voltage |
| Pino 107 | VDDA — Analog supply for ADC |
| Pino 108 | VSSA — Analog ground for ADC |
| Pino 109 | PJ0_2 — Secondary CAN/IO function on PJ0 (multiplexed) |
| Pino 110 | ECLK — External clock output |
| Pino 111 | LSTRB — External bus strobe (low-byte enable) |
| Pino 112 | R/W — External bus read/write signal |
Aplicações típicas
MC9S12XA512CAL é adequado para 6 aplicaçãos: Automotive Body Control Module, Industrial CAN Node / PLC Edge Controller, BLDC and Stepper Motor Control Front-End, HVAC and Climate Control ECU, Automotive Instrument Cluster, Sensor-Fusion and Body ECU.
Automotive Body Control Module
The MC9S12XA512CAL fits automotive body control modules (BCMs) because its 80 MHz HCS12X core, 512 KB Flash, multiple MSCAN controllers, and 5 V I/O tolerance interface directly with 12 V body-domain buses. The 32 KB RAM is sufficient for CAN J1939 or CANopen stacks plus BCM application logic, and the 91 GPIO lines drive window, mirror, lighting, and door-lock actuators. The XGATE co-processor offloads CAN message buffering and PWM updates so the main CPU handles application logic deterministically. Compared with newer S32K MCUs, this part remains a known-quantity choice for sustaining BCM programs but should not be specified for new automotive platforms given its NRND status.
Recomendado
Industrial CAN Node / PLC Edge Controller
In industrial CAN nodes and PLC edge controllers, the MC9S12XA512CAL delivers deterministic CISC execution at 80 MHz, large 512 KB Flash for CANopen or DeviceNet protocol stacks, and hardware MSCAN controllers that offload bus arbitration from the CPU. The 16-channel 10-bit ADC reads analog sensors (pressure, temperature, current) for process monitoring, while SPI and IIC connect to digital front-ends. The LQFP-112 package's 0.65 mm pitch and 91 GPIO lines provide ample I/O for relay, opto-isolator, and HMI keypad interfaces. Engineers targeting long-life industrial lines should confirm NRND trajectory and stock up or migrate to active S12X variants.
Recomendado
BLDC and Stepper Motor Control Front-End
The MC9S12XA512CAL serves as a motor-control front-end for BLDC and stepper drives because its enhanced PWM timers (up to 8 channels with fault inputs) center-align the switching waveforms for trapezoidal or field-oriented control. The 80 MHz core runs control loops well under 10 us, while 32 KB RAM holds observer state, and 512 KB Flash stores the commutation table and tuning parameters. The on-chip 16-channel 10-bit ADC samples phase currents and DC-bus voltage simultaneously with PWM timing, simplifying sensor feedback. The XGATE can handle PWM reload and ADC-trigger sequencing, leaving the CPU free for higher-level torque and speed loops.
Recomendado
HVAC and Climate Control ECU
In HVAC climate-control modules, the MC9S12XA512CAL provides enough Flash (512 KB) for fan-speed, damper, and compressor control algorithms along with the diagnostic stack. Multiple PWM channels drive blower and stepper motors for the air-mix doors, while the 16-channel ADC reads thermistors and pressure sensors. The CISC HCS12X core simplifies bit-level I/O handling of legacy HVAC switches and rotary encoders. Industrial temperature grade (-40 to +85 C) covers cabin and under-hood module placements. Designers should verify NRND implications and consider MC9S12XEP100CAL as a future-proof LQFP-112 alternate.
Recomendado
Automotive Instrument Cluster
The MC9S12XA512CAL drives stepper-motor gauge clusters by combining the enhanced PWM (for gauge pointer drives), the 16-channel ADC (for fuel-level and temperature sensors), and ample GPIO for warning-lamp and telltale outputs. The 512 KB Flash stores the gauge calibration curves, telltale logic, and CAN diagnostics stack (UDS over CAN). The 80 MHz core is sufficient to refresh up to four stepper gauges within 5 ms while servicing CAN messages. Given the part's NRND status, new cluster designs should consider NXP's active successors, but existing platforms benefit from its mature toolchain and proven gauge libraries.
Recomendado
Sensor-Fusion and Body ECU
In body-domain sensor-fusion ECUs, the MC9S12XA512CAL aggregates signals from multiple LIN and CAN sensors (rain-light, parking-aid, seat-occupancy) using its MSCAN controllers, LIN via SCI/UART, and 16-channel ADC. The XGATE offloads CAN/LIN message parsing so the main CPU runs application-level fusion logic. 512 KB Flash supports sensor-calibration tables, while 32 KB RAM holds short-term sensor histories. The CISC HCS12X instruction set keeps automotive-grade software patterns readable for MISRA-style audits. Confirm NRND status and stock for new programs; otherwise evaluate MC9S12XDP512CAL or S32K for new platforms.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12XA512CAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12XDP512CAL | MC9S12XEQ512CAL | MC9S12XEP100CAL | MC9S12XDP512MAL | MC9S12XDP512VAL | MC9S12XEG128CAL |
|---|---|---|---|---|---|---|---|
| Package | LQFP-112 (20x20) | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same | LQFP-112 (20x20) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Sub-Family | S12XA (HCS12X enhanced) | S12XD with XGATE | S12XE (50 MHz) | S12XE (1MB Flash) | S12XD mask-set M | S12XD automotive V grade | S12XE (128KB Flash) |
| Maximum CPU Frequency | 80 MHz | 80 MHz | 50 MHz | 50 MHz | 80 MHz | 80 MHz | 50 MHz |
| Program Flash | 512 KB | 512 KB | 512 KB | 1 MB | 512 KB | 512 KB | 128 KB |
| RAM | 32 KB | 32 KB | 32 KB | 64 KB | 32 KB | 32 KB | 12 KB |
| EEPROM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB |
| XGATE Co-Processor | No (S12XA core) | Yes (S12XD) | Yes (S12XE) | Yes (S12XE) | Yes (S12XD) | Yes (S12XD) | Yes (S12XE) |
| Operating Temperature | -40C to +85C (industrial 'C' grade) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +105C (automotive 'V') | -40C to +85C (industrial) |
Principais diferenciais
- Mature S12XA core with known automotive firmware ecosystem (vs MC9S12XDP512CAL)
- Larger 512KB Flash than memory-reduced S12XE variants (vs MC9S12XEG128CAL)
- Industrial temperature grade (C suffix) for non-under-hood automotive (vs MC9S12XDP512VAL)
Notas de projeto
The MC9S12XA512CAL requires a clean 5 V supply on VDD1/VDD2 with a 0.1 uF decoupling capacitor close to each supply pin and a bulk 10 uF tantalum or ceramic cap on the regulator output. The internal voltage regulator (VDDR) powers the core logic and needs its own 1 uF + 100 nF decoupling pair. Noise above 50 mV on VDDR can corrupt Flash programming cycles and cause ECC errors, so keep the analog supply (VDDA) and digital supply separated at the board level using a ferrite bead.
In LQFP-112 (20x20 mm) with industrial temperature grade (-40C to +85C), power dissipation is rarely a concern because the part typically consumes under 100 mW. However, in sealed automotive enclosures with no airflow, ambient can approach +85C and the silicon can run 20C warmer. Place thermal vias under the lead frame, but the LQFP does not have an exposed pad - use copper pours on top and bottom layers tied together with 0.3 mm vias for moderate thermal relief.
Route the RESET pin (active-low) with a 10 kohm pull-up to VDDX and a 100 nF capacitor to VssX; place the cap close to the pin. The BKGD pin (Background Debug Mode) must be accessible for in-circuit programming - bring it out to a header or test pad. The XTAL/EXTAL pair should be guarded by a ground ring and isolated from switching signals; place the load capacitors within 5 mm of the MCU pins to keep oscillator start-up reliable across temperature.
Do not tie TEST low or float MODC - leave TEST tied to Vss and MODC tied to Vdd to enter normal single-chip mode; otherwise the MCU can wake in special test mode and fail to boot. The XGATE vector table is located at a different address range than the main CPU; if your debugger seems to hang, confirm the COP (computer operating properly) watchdog is fed by the XGATE in designs that offload watchdog servicing. Finally, verify the PLL filter network (PLLTEST pin left open per datasheet) before mass production.
Keep ADC analog inputs (PAD00-PAD15) and reference pins (VRH, VRL) away from PWM outputs and clock traces to avoid digital switching noise coupling into the 10-bit ADC. Use a 4-layer stack-up with a dedicated ground plane adjacent to the MCU; route ADC traces over a continuous ground reference and add a guard ring around sensitive analog inputs. The CAN bus traces (CAN0, CAN1) should be impedance-matched (60 ohm differential) and kept short, with TVS protection at the connector.
Informações de conformidade
AEC-Q100 qualification status not explicitly listed in the provided data; this part is industrial-grade (-40 to +85C), not automotive V-grade. RoHS, REACH, lead-free, and halogen-free status inferred from NXP's general S12X-family product page policy.
