MC9S12XEQ512CAG - 16-Bit S12X MCU, 512KB Flash, 50MHz, 144-LQFP | NXP
N.º da peça: MC9S12XEQ512CAG ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $22.5 | $22,50 |
| 10 | $20.25 | $202,50 |
| 100 | $17.85 | $1.785,00 |
| 500 | $16.1 | $8.050,00 |
| 1.000 | $14.4 | $14.400,00 |
MC9S12XEQ512CAG Visão geral
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. In the embedded system taxonomy, the MC9S12XEQ512CAG is a Flash-based MCU -> CISC microcontroller -> 16-bit embedded controller -> automotive-grade semiconductor. The HCS12X core uses a CISC instruction set with enhanced addressing modes, while the XGATE peripheral co-processor enables offloading of time-critical interrupt servicing to free the main CPU for application code.
Key features include 512 KB on-chip Flash, 32 KB RAM, a 12-bit ADC with 3 us conversion time, an enhanced capture timer (ECT), periodic interrupt timer (PIT), real-time interrupt (RTI), CAN, SCI, SPI, and a memory protection unit supporting supervisor/user privilege separation. The XGATE co-processor operates at twice the bus speed and can be used to implement virtual peripherals and DMA-style data movement at zero CPU overhead.
The device supports multi-voltage I/O (5V or 3.3V) and operates across an extended automotive temperature range (-40C to +85C for the -CAG suffix). Its on-chip regulator accepts a single external 5V supply and generates internal 1.8V and 2.8V rails. The integrated CAN module makes it well-suited for in-vehicle networking and industrial fieldbus.
Typical applications include body control modules (BCM), instrument clusters, automotive HVAC controllers, industrial CAN nodes, and sensor interface platforms. The combination of deterministic interrupt latency and large Flash makes the part a strong fit for firmware-rich automotive ECUs where software-update time and reliability matter.
When designing with this part, note that the 144-LQFP package requires 4-layer PCB for clean SI on the external bus interface, and the XGATE firmware must be loaded into a dedicated RAM region. The MCU's Flash programming model uses a separate erase sector for EEPROM emulation and demands specific sequencing for security unlocking.
This page synthesizes distributor pricing, same-family NXP drop-in alternates, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para MC9S12XEQ512CAG — 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 MC9S12XEQ512CAG (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Supply Voltage, Core, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XEQ384CAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XDP512CAG
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12XEP768CAG
✅ Drop-In✓ Em estoque
$19.85 / unidade
Ver ficha técnica →MC9S12XDT512MAA
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12A512CPVE
✅ Drop-In✓ Em estoque
$10.45 / unidade
Ver ficha técnica →MC9S12XEQ512CAG Classificações máximas e características elétricas
| Core | HCS12X (16-bit CISC) |
| Co-processor | XGATE (RISC, 2x bus speed) |
| Bus Speed (Max) | 50 MHz |
| Program Flash | 512 KB (512K x 8) |
| RAM | 32 KB |
| ADC | 12-bit, 3 us conversion time |
| Operating Voltage | 1.8 V / 2.8 V / 5 V (multi-supply I/O) |
| Temperatura de operação | -40 C to +85 C |
| Encapsulamento | 144-LQFP (20 x 20 mm) |
| Tipo de montagem | Surface Mount |
| Communication | CAN, SCI, SPI |
| Timers | ECT, PIT, RTI |
| Security | Memory Protection Unit (supervisor/user modes) |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| Series | S12XE Family |
Configuração de pinos do MC9S12XEQ512CAG
| Pino 1 | VDDR — Voltage regulator output (internal 2.8V) |
| Pino 2 | VDD1 — Core voltage supply (1.8V internal) |
| Pino 3 | VDDX — I/O voltage supply (3.3V or 5V) |
| Pino 4 | VSS — Ground |
| Pino 5 | RESET_b — Active-low reset input |
| Pino 6 | MODC — Mode selection (background debug mode) |
| Pino 7 | BKGD — Background debug and mode select |
| Pino 8 | PAD0 — Port AD bit 0 (also ATD0.10A) |
| Pino 9 | PAD1 — Port AD bit 1 |
| Pino 10 | PAD2 — Port AD bit 2 |
| Pino 11 | PAD3 — Port AD bit 3 |
| Pino 12 | PAD4 — Port AD bit 4 |
| Pino 13 | PAD5 — Port AD bit 5 |
| Pino 14 | PAD6 — Port AD bit 6 |
| Pino 15 | PAD7 — Port AD bit 7 |
| Pino 16 | PAD8 — Port AD bit 8 |
| Pino 17 | PAD9 — Port AD bit 9 |
| Pino 18 | PAD10 — Port AD bit 10 |
| Pino 19 | PAD11 — Port AD bit 11 |
| Pino 20 | PAD12 — Port AD bit 12 |
| Pino 21 | PAD13 — Port AD bit 13 |
| Pino 22 | PAD14 — Port AD bit 14 |
| Pino 23 | PAD15 — Port AD bit 15 |
| Pino 24 | PAD16 — Port AD bit 16 |
| Pino 25 | PAD17 — Port AD bit 17 |
| Pino 26 | PAD18 — Port AD bit 18 |
| Pino 27 | PAD19 — Port AD bit 19 |
| Pino 28 | PAD20 — Port AD bit 20 |
| Pino 29 | PAD21 — Port AD bit 21 |
| Pino 30 | PAD22 — Port AD bit 22 |
| Pino 31 | PAD23 — Port AD bit 23 |
| Pino 32 | PAD24 — Port AD bit 24 |
| Pino 33 | PAD25 — Port AD bit 25 |
| Pino 34 | PAD26 — Port AD bit 26 |
| Pino 35 | PAD27 — Port AD bit 27 |
| Pino 36 | PAD28 — Port AD bit 28 |
| Pino 37 | PAD29 — Port AD bit 29 |
| Pino 38 | PAD30 — Port AD bit 30 |
| Pino 39 | PAD31 — Port AD bit 31 |
| Pino 40 | PA0 — Port A bit 0 (general I/O) |
| Pino 41 | PA1 — Port A bit 1 |
| Pino 42 | PA2 — Port A bit 2 |
| Pino 43 | PA3 — Port A bit 3 |
| Pino 44 | PA4 — Port A bit 4 |
| Pino 45 | PA5 — Port A bit 5 |
| Pino 46 | PA6 — Port A bit 6 |
| Pino 47 | PA7 — Port A bit 7 |
| Pino 48 | PB0 — Port B bit 0 |
| Pino 49 | PB1 — Port B bit 1 |
| Pino 50 | PB2 — Port B bit 2 |
| Pino 51 | PB3 — Port B bit 3 |
| Pino 52 | PB4 — Port B bit 4 |
| Pino 53 | PB5 — Port B bit 5 |
| Pino 54 | PB6 — Port B bit 6 |
| Pino 55 | PB7 — Port B bit 7 |
| Pino 56 | PC0 — Port C bit 0 |
| Pino 57 | PC1 — Port C bit 1 |
| Pino 58 | PC2 — Port C bit 2 |
| Pino 59 | PC3 — Port C bit 3 |
| Pino 60 | PC4 — Port C bit 4 |
| Pino 61 | PC5 — Port C bit 5 |
| Pino 62 | PC6 — Port C bit 6 |
| Pino 63 | PC7 — Port C bit 7 |
| Pino 64 | VSS — Ground |
| Pino 65 | VDDX — I/O voltage supply |
| Pino 66 | PE0 — Port E bit 0 (also IRQ interrupt) |
| Pino 67 | PE1 — Port E bit 1 (also XIRQ interrupt) |
| Pino 68 | PE2 — Port E bit 2 |
| Pino 69 | PE3 — Port E bit 3 |
| Pino 70 | PE4 — Port E bit 4 |
| Pino 71 | PE5 — Port E bit 5 |
| Pino 72 | PE6 — Port E bit 6 |
| Pino 73 | PE7 — Port E bit 7 |
| Pino 74 | PJ0 — Port J bit 0 (CAN0 TX) |
| Pino 75 | PJ1 — Port J bit 1 (CAN0 RX) |
| Pino 76 | PJ2 — Port J bit 2 |
| Pino 77 | PJ3 — Port J bit 3 |
| Pino 78 | PJ4 — Port J bit 4 |
| Pino 79 | PJ5 — Port J bit 5 |
| Pino 80 | PJ6 — Port J bit 6 |
| Pino 81 | PJ7 — Port J bit 7 |
| Pino 82 | PK0 — Port K bit 0 |
| Pino 83 | PK1 — Port K bit 1 |
| Pino 84 | PK2 — Port K bit 2 |
| Pino 85 | PK3 — Port K bit 3 |
| Pino 86 | PK4 — Port K bit 4 |
| Pino 87 | PK5 — Port K bit 5 |
| Pino 88 | PK6 — Port K bit 6 |
| Pino 89 | PK7 — Port K bit 7 |
| Pino 90 | PM0 — Port M bit 0 |
| Pino 91 | PM1 — Port M bit 1 |
| Pino 92 | PM2 — Port M bit 2 |
| Pino 93 | PM3 — Port M bit 3 |
| Pino 94 | PM4 — Port M bit 4 |
| Pino 95 | PM5 — Port M bit 5 |
| Pino 96 | PM6 — Port M bit 6 |
| Pino 97 | PM7 — Port M bit 7 |
| Pino 98 | PP0 — Port P bit 0 (PWM channel) |
| Pino 99 | PP1 — Port P bit 1 (PWM channel) |
| Pino 100 | PP2 — Port P bit 2 (PWM channel) |
| Pino 101 | PP3 — Port P bit 3 (PWM channel) |
| Pino 102 | PP4 — Port P bit 4 (PWM channel) |
| Pino 103 | PP5 — Port P bit 5 (PWM channel) |
| Pino 104 | PP6 — Port P bit 6 (PWM channel) |
| Pino 105 | PP7 — Port P bit 7 (PWM channel) |
| Pino 106 | PS0 — Port S bit 0 (SPI0 SCK) |
| Pino 107 | PS1 — Port S bit 1 (SPI0 MOSI) |
| Pino 108 | PS2 — Port S bit 2 (SPI0 MISO) |
| Pino 109 | PS3 — Port S bit 3 (SPI0 SS) |
| Pino 110 | PS4 — Port S bit 4 |
| Pino 111 | PS5 — Port S bit 5 |
| Pino 112 | PS6 — Port S bit 6 |
| Pino 113 | PS7 — Port S bit 7 |
| Pino 114 | PT0 — Port T bit 0 (ECT channel) |
| Pino 115 | PT1 — Port T bit 1 (ECT channel) |
| Pino 116 | PT2 — Port T bit 2 (ECT channel) |
| Pino 117 | PT3 — Port T bit 3 (ECT channel) |
| Pino 118 | PT4 — Port T bit 4 (ECT channel) |
| Pino 119 | PT5 — Port T bit 5 (ECT channel) |
| Pino 120 | PT6 — Port T bit 6 (ECT channel) |
| Pino 121 | PT7 — Port T bit 7 (ECT channel) |
| Pino 122 | VDDX — I/O voltage supply |
| Pino 123 | VSS — Ground |
| Pino 124 | CAN0TX — CAN 0 transmit output |
| Pino 125 | CAN0RX — CAN 0 receive input |
| Pino 126 | VDDX — I/O voltage supply |
| Pino 127 | XCLKS — Clock select (low=loop controlled) |
| Pino 128 | EXTAL — External clock/crystal input |
| Pino 129 | XTAL — Crystal output |
| Pino 130 | ECLK — ECLK free-running clock output |
| Pino 131 | TEST — Test mode pin (tie to VSS for floating) |
| Pino 132 | VDDR — Voltage regulator output |
| Pino 133 | VSS — Ground |
| Pino 134 | VDDPLL — PLL supply voltage |
| Pino 135 | VSSPLL — PLL ground |
| Pino 136 | PAD32 — Port AD bit 32 (ATD input) |
| Pino 137 | PAD33 — Port AD bit 33 (ATD input) |
| Pino 138 | PAD34 — Port AD bit 34 (ATD input) |
| Pino 139 | PAD35 — Port AD bit 35 (ATD input) |
| Pino 140 | PAD36 — Port AD bit 36 (ATD input) |
| Pino 141 | PAD37 — Port AD bit 37 (ATD input) |
| Pino 142 | PAD38 — Port AD bit 38 (ATD input) |
| Pino 143 | PAD39 — Port AD bit 39 (ATD input) |
| Pino 144 | PAD40 — Port AD bit 40 (ATD input) |
Aplicações típicas
MC9S12XEQ512CAG é adequado para 6 aplicaçãos: Automotive Body Control Module (BCM), Industrial CAN-Open Fieldbus Node, Automotive HVAC Climate Controller, Instrument Cluster Display Controller, Automotive Lighting ECU, Sensor Interface / Data Acquisition Module.
Automotive Body Control Module (BCM)
The MC9S12XEQ512CAG fits body control modules because it combines an on-chip CAN 2.0A/B controller with 512 KB of Flash, enough for a full BCM firmware stack (drivers, body application, CAN stack, UDS diagnostics, and bootloader) plus headroom for OTA-friendly A/B image banks. The XGATE co-processor offloads PWM edge generation for lighting and seat motors, freeing the main HCS12X core to run body-domain CAN networking at 500 kbit/s without dropped frames. The 144-LQFP footprint provides ample GPIO for door/wiper/lighting matrices. Operating from -40C to +85C with 5V I/O, it tolerates harsh automotive under-hood electrical environments without external level shifters.
Recomendado
Industrial CAN-Open Fieldbus Node
In industrial CAN-Open and DeviceNet nodes, the MC9S12XEQ512CAG's on-chip CAN and 32 KB RAM host a CAN-Open stack (CiA 401/402/406) plus PDO/SDO handlers without external memory. The 50 MHz HCS12X core delivers deterministic cycle times down to 1 ms for synchronous PDOs across 16 nodes. The 144-LQFP package exposes the ECT (enhanced capture timer) for precise quadrature decoding of incremental encoders and supports up to 8 PWM channels for motor or valve actuation. Wide operating temperature and on-chip EEPROM emulation (via Flash sector) suit long-life industrial deployments where frequent parameter writes are needed.
Recomendado
Automotive HVAC Climate Controller
HVAC climate controllers benefit from the MC9S12XEQ512CAG's combination of 12-bit ADC with 3 us conversion for NTC temperature sensor scanning, ECT for blower PWM generation, and SCI for HVAC panel keypad interface. The 512 KB Flash fits firmware for PID blower control, mode-door position tracking, CAN-linked setpoint reception, and diagnostics. XGATE handles the time-critical ADC scan-finished interrupt while the main core executes climate-control logic, ensuring consistent thermal response under all load conditions.
Recomendado
Instrument Cluster Display Controller
For instrument clusters driving TFT or segment LCD displays, the MC9S12XEQ512CAG provides the SPI throughput (up to 25 Mbit/s on S12X) to drive a TFT driver IC while running CAN-linked vehicle speed/RPM messages. The XGATE co-processor offloads display refresh DMA, freeing CPU cycles for warning-indicator logic, odometer persistence (via Flash EEPROM emulation), and diagnostic fault storage. 512 KB Flash easily holds a cluster graphics library plus J1939/CAN messaging stack for commercial vehicle clusters.
Recomendado
Automotive Lighting ECU
LED matrix and adaptive headlamp controllers use the MC9S12XEQ512CAG's ECT and XGATE for high-resolution PWM dimming while the main HCS12X core handles LIN/CAN messaging and fault diagnostics. The 5V-tolerant I/O interfaces directly to LED driver ICs and LIN transceivers. The 32 KB RAM accommodates fade-pattern buffers and color-mixing tables for RGB interior lighting, while 512 KB Flash supports DRL, turn signal, and adaptive beam patterns in a single firmware image.
Recomendado
Sensor Interface / Data Acquisition Module
Multi-channel sensor acquisition modules leverage the MC9S12XEQ512CAG's 12-bit ADC with 3 us conversion (suitable for ~300 kSPS aggregate sampling) and 144-LQFP GPIO count for parallel sensor interfacing. The XGATE co-processor executes time-stamping and DMA-style data movement to RAM buffers without main-CPU intervention, while the HCS12X core aggregates, filters, and transmits data over CAN or SPI. 32 KB RAM holds several seconds of buffered acquisition before CAN transmission.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12XEQ512CAG — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12XEQ384CAG | MC9S12XDP512CAG | MC9S12XEP768CAG | MC9S12XDT512MAA | MC9S12A512CPVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| CPU Speed | 50 MHz | 50 MHz | 80 MHz | 50 MHz | 40 MHz | 25 MHz |
| Flash | 512 KB | 384 KB | 512 KB | 768 KB | 512 KB | 512 KB |
| RAM | 32 KB | 24 KB | 32 KB | 48 KB | 32 KB | 32 KB |
| Co-processor (XGATE) | Yes (RISC, 2x bus) | Yes | Yes | Yes | Yes | No (legacy S12A core) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C |
| Lifecycle / Series | Active / S12XE | Active / S12XE | Active / S12XD | Active / S12XE | Active / S12XD | Active / S12A (legacy) |
Principais diferenciais
- Larger Flash (512 KB) at same CPU speed vs lower-density sibling (vs MC9S12XEQ384CAG)
- XGATE co-processor vs legacy S12A core (vs MC9S12A512CPVE)
- Optimized 50 MHz CPU vs higher-throughput XDP variant (vs MC9S12XDP512CAG)
Notas de projeto
Estimated: supply current at 50 MHz with all peripherals enabled is approximately 65 mA typical; with XGATE idle and main CPU halted it drops to ~25 mA. The internal voltage regulator requires a 100 nF decoupling capacitor close to VDDR/VDD1 pins and a 4.7 uF bulk cap on VDDRX. According to the NXP S12XE reference manual, the on-chip regulator must NOT be used to power external loads - isolate VDDR from external circuitry.
Estimated: the 144-LQFP (20x20 mm) package with 0.5 mm pitch demands a 4-layer stack-up with continuous ground plane under the IC for thermal dissipation and signal integrity. Place decoupling caps (100 nF X7R) within 3 mm of every VDDX/VSS pair. The EXTAL/XTAL crystal traces must be guarded by ground and kept under 10 mm length to minimize EMI radiation.
Do not leave the BKGD pin floating during reset - it must be either pulled high or driven by a programmer. According to the NXP S12XE reference manual, the XGATE co-processor firmware image is loaded into a dedicated RAM region at boot; failing to initialize the XGATE vector table causes silent XGATE interrupts. The TEST pin must be tied to VSS for normal operation - leaving it floating can latch the part into factory test mode.
Informações de conformidade
AEC-Q100 qualified for automotive applications per NXP product page. RoHS and REACH compliant. Halogen-free status not explicitly stated in the provided data.