S912XEQ384J3VAL - 16-bit HCS12X MCU 384KB Flash 50MHz | NXP
N.º da peça: S912XEQ384J3VAL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $17.17 | $17,17 |
| 10 | $15.45 | $154,50 |
| 100 | $13.46 | $1.346,00 |
| 500 | $11.87 | $5.935,00 |
| 1.000 | $10.42 | $10.420,00 |
S912XEQ384J3VAL Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and a wide range of on-chip peripherals such as ADCs, timers and communication controllers. Within the broader semiconductor taxonomy, microcontrollers sit under microprocessors, which sit under digital ICs and ultimately integrated circuits. The S12X specifically extends the classic HCS12 instruction set with a richer addressing mode set and paged memory management, while the XGATE engine supplies a low-latency auxiliary execution path used by NXP for virtual peripherals that historically required external logic.
Key features of this part include CAN 2.0 controllers, SCI/SPI/IIC peripherals, 8-channel 16-bit Enhanced Capture Timer (ECT), Periodic Interrupt Timer (PIT), Real-Time Interrupt (RTI), and 12-bit ATD channels with 3 us conversion. The integrated voltage regulator operates from 1.8 V/2.8 V/5 V MCU rails, supporting automotive 12 V and 24 V battery systems after external regulation. The LQFP-112 footprint supports legacy automotive PCB tooled for Freescale S12X designs.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, and industrial CAN nodes that require ASIL-relevant firmware partitioning with on-chip supervisor/user separation. The XGATE allows deterministic handling of CAN and PWM without interrupting the S12X core, enabling tight PID control loops. The 12-bit ATD and 16-bit ECT provide simultaneous sampling and input capture needed for motor control and sensor interfacing.
When designing with the S912XEQ384J3VAL, decouple all four VDDX/VSSX pairs near the pins and route the XFC capacitor carefully per the datasheet; an undersized XFC cap causes POR faults at low temperature. The MCU must boot through BDM or via the secure serial bootloader unless an unsecure-mode development key is provisioned; plan toolchain selection early - CodeWarrior legacy projects must be rebuilt for CodeWarrior 5.x or migrated to S32 Design Studio.
Alternativas drop-in para S912XEQ384J3VAL — 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 S912XEQ384J3VAL (mesmo formato e footprint) — diferindo em Package, Mounting Type, Operating Temperature, Core, Timers.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
S912XEQ384J3CAL
✅ Drop-In✓ Em estoque
$11.4 / unidade
Ver ficha técnica →S912XEQ384J3CALR
✅ Drop-In✓ Em estoque
$11.4 / unidade
Ver ficha técnica →S912XEG384J2CALR
✅ Drop-In✓ Em estoque
$9.1 / unidade
Ver ficha técnica →S912XEQ384F1VAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
S912XEQ512J2MAL
✅ Drop-In✓ Em estoque
$17.95 / unidade
Ver ficha técnica →S912XET512J3MAG
✅ Drop-In✓ Em estoque
$16.4 / unidade
Ver ficha técnica →MC9S12XEG128MAA
✅ Drop-In✓ Em estoque
$8.9 / unidade
Ver ficha técnica →MC9S12XEQ512CAG
✅ Drop-In✓ Em estoque
$14.4 / unidade
Ver ficha técnica →S912XEQ384J3VAL Classificações máximas e características elétricas
| Core | S12X (HCS12X) 16-bit |
| Co-processor | XGATE peripheral engine |
| Maximum CPU Frequency | 50 MHz |
| Bus Speed | 25 MHz |
| Program Flash | 384 KB |
| Data Flash / EEPROM | FlexMemory (up to ~4 KB D-Flash + emulated EEPROM) |
| RAM | 16 KB |
| On-chip ADC | 12-bit ATD, ~3 us conversion |
| Timers | ECT (16-bit), PIT, RTI |
| Communication | CAN 2.0, SCI, SPI, IIC |
| Memory Protection | Memory Protection Unit (MPU), supervisor/user modes |
| Faixa de temperatura de operação | -40C to +105C |
| Tensão de alimentação | 1.8 V / 2.8 V / 5 V (internal regulator) |
| Encapsulamento | 112-LQFP (20 x 20 mm) |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Status RoHS | Compliant |
| Tipo de montagem | Surface Mount (Tray per Arrow listing) |
Configuração de pinos do S912XEQ384J3VAL
| Pino 1 | VSS1 — Ground reference 1 |
| Pino 2 | VDDR — Regulated supply for internal regulator |
| Pino 3 | VDDX1 — External supply 1 (5 V / 3.3 V) |
| Pino 4 | VSSX1 — External ground 1 |
| Pino 5 | VDDX2 — External supply 2 |
| Pino 6 | VSSX2 — External ground 2 |
| Pino 7 | PE0 — Port E bit 0 / CAN4TX (alternate) |
| Pino 8 | PE1 — Port E bit 1 / CAN4RX (alternate) |
| Pino 9 | PE2 — Port E bit 2 |
| Pino 10 | PE3 — Port E bit 3 |
| Pino 11 | PE4 — Port E bit 4 |
| Pino 12 | PE5 — Port E bit 5 |
| Pino 13 | PE6 — Port E bit 6 |
| Pino 14 | PE7 — Port E bit 7 |
| Pino 15 | PJ0 — Port J bit 0 (XGATE interrupt capable) |
| Pino 16 | PJ1 — Port J bit 1 |
| Pino 17 | PJ2 — Port J bit 2 |
| Pino 18 | PJ3 — Port J bit 3 |
| Pino 19 | PJ4 — Port J bit 4 |
| Pino 20 | PJ5 — Port J bit 5 |
| Pino 21 | PJ6 — Port J bit 6 |
| Pino 22 | PJ7 — Port J bit 7 |
| Pino 23 | BKGD — Background Debug Mode pin (BDM) |
| Pino 24 | RESET — External reset input (active low) |
| Pino 25 | TEST — Test mode pin - tie to VDDX per datasheet |
| Pino 26 | XFC — PLL filter capacitor |
| Pino 27 | EXTAL — Crystal/clock input |
| Pino 28 | XTAL — Crystal output |
| Pino 29 | PAD00 — Port AD bit 0 / ATD channel 0 |
| Pino 30 | PAD01 — Port AD bit 1 / ATD channel 1 |
| Pino 31 | PAD02 — Port AD bit 2 / ATD channel 2 |
| Pino 32 | PAD03 — Port AD bit 3 / ATD channel 3 |
| Pino 33 | PAD04 — Port AD bit 4 / ATD channel 4 |
| Pino 34 | PAD05 — Port AD bit 5 / ATD channel 5 |
| Pino 35 | PAD06 — Port AD bit 6 / ATD channel 6 |
| Pino 36 | PAD07 — Port AD bit 7 / ATD channel 7 |
| Pino 37 | PAD08 — Port AD bit 8 / ATD channel 8 |
| Pino 38 | PAD09 — Port AD bit 9 / ATD channel 9 |
| Pino 39 | PAD10 — Port AD bit 10 / ATD channel 10 |
| Pino 40 | PAD11 — Port AD bit 11 / ATD channel 11 |
| Pino 41 | PAD12 — Port AD bit 12 / ATD channel 12 |
| Pino 42 | PAD13 — Port AD bit 13 / ATD channel 13 |
| Pino 43 | PAD14 — Port AD bit 14 / ATD channel 14 |
| Pino 44 | PAD15 — Port AD bit 15 / ATD channel 15 |
| Pino 45 | PAD16 — Port AD bit 16 |
| Pino 46 | PAD17 — Port AD bit 17 |
| Pino 47 | PAD18 — Port AD bit 18 |
| Pino 48 | PAD19 — Port AD bit 19 |
| Pino 49 | PAD20 — Port AD bit 20 |
| Pino 50 | PAD21 — Port AD bit 21 |
| Pino 51 | PAD22 — Port AD bit 22 |
| Pino 52 | PAD23 — Port AD bit 23 |
| Pino 53 | PA0 — Port A bit 0 / ECT channel 0 |
| Pino 54 | PA1 — Port A bit 1 / ECT channel 1 |
| Pino 55 | PA2 — Port A bit 2 / ECT channel 2 |
| Pino 56 | PA3 — Port A bit 3 / ECT channel 3 |
| Pino 57 | PA4 — Port A bit 4 / ECT channel 4 |
| Pino 58 | PA5 — Port A bit 5 / ECT channel 5 |
| Pino 59 | PA6 — Port A bit 6 / ECT channel 6 |
| Pino 60 | PA7 — Port A bit 7 / ECT channel 7 |
| Pino 61 | PB0 — Port B bit 0 / ECT channel 0 alt |
| Pino 62 | PB1 — Port B bit 1 / ECT channel 1 alt |
| Pino 63 | PB2 — Port B bit 2 / ECT channel 2 alt |
| Pino 64 | PB3 — Port B bit 3 / ECT channel 3 alt |
| Pino 65 | PB4 — Port B bit 4 / ECT channel 4 alt |
| Pino 66 | PB5 — Port B bit 5 / ECT channel 5 alt |
| Pino 67 | PB6 — Port B bit 6 / ECT channel 6 alt |
| Pino 68 | PB7 — Port B bit 7 / ECT channel 7 alt |
| Pino 69 | PP0 — Port P bit 0 / PWM channel 0 |
| Pino 70 | PP1 — Port P bit 1 / PWM channel 1 |
| Pino 71 | PP2 — Port P bit 2 / PWM channel 2 |
| Pino 72 | PP3 — Port P bit 3 / PWM channel 3 |
| Pino 73 | PP4 — Port P bit 4 / PWM channel 4 |
| Pino 74 | PP5 — Port P bit 5 / PWM channel 5 |
| Pino 75 | PP6 — Port P bit 6 / PWM channel 6 |
| Pino 76 | PP7 — Port P bit 7 / PWM channel 7 |
| Pino 77 | PS0 — Port S bit 0 / SPI0 |
| Pino 78 | PS1 — Port S bit 1 / SPI0 SCK |
| Pino 79 | PS2 — Port S bit 2 / SPI0 MOSI |
| Pino 80 | PS3 — Port S bit 3 / SPI0 MISO |
| Pino 81 | PS4 — Port S bit 4 / SCI0 TX |
| Pino 82 | PS5 — Port S bit 5 / SCI0 RX |
| Pino 83 | PS6 — Port S bit 6 / SCI1 TX |
| Pino 84 | PS7 — Port S bit 7 / SCI1 RX |
| Pino 85 | PT0 — Port T bit 0 / IIC SCL |
| Pino 86 | PT1 — Port T bit 1 / IIC SDA |
| Pino 87 | PT2 — Port T bit 2 / CAN0 TX |
| Pino 88 | PT3 — Port T bit 3 / CAN0 RX |
| Pino 89 | PT4 — Port T bit 4 / CAN1 TX |
| Pino 90 | PT5 — Port T bit 5 / CAN1 RX |
| Pino 91 | PT6 — Port T bit 6 |
| Pino 92 | PT7 — Port T bit 7 |
| Pino 93 | PM0 — Port M bit 0 |
| Pino 94 | PM1 — Port M bit 1 |
| Pino 95 | PM2 — Port M bit 2 |
| Pino 96 | PM3 — Port M bit 3 |
| Pino 97 | PM4 — Port M bit 4 |
| Pino 98 | PM5 — Port M bit 5 |
| Pino 99 | PM6 — Port M bit 6 |
| Pino 100 | PM7 — Port M bit 7 |
| Pino 101 | VDDPLL — Internal PLL supply |
| Pino 102 | VSSPLL — Internal PLL ground |
| Pino 103 | VDDX3 — External supply 3 |
| Pino 104 | VSSX3 — External ground 3 |
| Pino 105 | VDDX4 — External supply 4 |
| Pino 106 | VSSX4 — External ground 4 |
| Pino 107 | VDD2 — Internal regulator output (2.5 V) |
| Pino 108 | VSS2 — Internal regulator ground |
| Pino 109 | PK0 — Port K bit 0 |
| Pino 110 | PK1 — Port K bit 1 |
| Pino 111 | PH0 — Port H bit 0 |
| Pino 112 | PH1 — Port H bit 1 |
Aplicações típicas
S912XEQ384J3VAL é adequado para 7 aplicaçãos: Automotive Body Control Module (BCM), Instrument Cluster and Driver Display Controllers, HVAC Control Modules with Actuator Drivers, Industrial CAN-Open Node Controllers, Maritime and Off-Road Vehicle Telematics, Solar Inverter and Renewable-Energy Controllers, Aerospace Auxiliary Control and Sensor Concentrators.
Automotive Body Control Module (BCM)
The S912XEQ384J3VAL's 50 MHz S12X core, XGATE co-processor and 12-bit ATD ADC fit automotive BCM functions including central locking, exterior lighting and wiper control, where multiple CAN nodes must respond deterministically to wake events. The 384 KB Flash holds typical application firmware plus CAN J1939 stacks, while 16 KB RAM buffers pending diagnostic messages. Unlike an MCU without XGATE, the XGATE engine offloads CAN interrupt servicing and PWM generation into a peripheral context with sub-microsecond latency, removing the need for an external real-time companion. The 112-LQFP (20x20) footprint supports legacy Freescale-designed PCBs and AEC-Q100 Grade 1 qualification supports under-hood deployment.
Recomendado
Instrument Cluster and Driver Display Controllers
The XEQ sub-family's Memory Protection Unit (MPU) and supervisor/user modes let instrument cluster firmware safely run graphics, diagnostics and CAN traffic on a single S912XEQ384J3VAL while keeping safety-critical turn signals isolated in supervisor mode. The 16-bit Enhanced Capture Timer (ECT) supports the precise PWM timing required for stepper-motor gauge and buzzer control, and 12-bit ATD channels handle fuel and temperature sensor inputs. AEC-Q100 Grade 1 qualification across -40C to +105C allows placement behind the dashboard where ambient temperature swings are significant.
Recomendado
HVAC Control Modules with Actuator Drivers
The S912XEQ384J3VAL's ECT, 12-bit ATD and SCI peripheral set is well aligned to HVAC control modules that read cabin temperature, blend door position and blower RPM, then drive multiple DC and stepper actuators. The XGATE co-processor maintains deterministic update of the actuator PWM, keeping the main core free for CAN diagnostics and protocol stacks. 384 KB Flash accommodates full AUTOSAR configuration memory plus application code. The AEC-Q100 -40C to +105C window comfortably covers the in-cabin environment including solar load.
Recomendado
Industrial CAN-Open Node Controllers
Factory automation CAN-Open nodes using the S912XEQ384J3VAL benefit from its dual CAN 2.0 controllers, SCI for service-port access, and SPI for ADC or sensor expansion. The 384 KB Flash scales to CAN-Open stack plus application logic while 16 KB RAM covers PDO buffers. Compared with a Cortex-M class alternative, the S12X core's deterministic interrupt response makes it a strong fit for time-critical conveyor or pick-and-place nodes. The same tooling infrastructure that supports automotive BCMs reduces qualification overhead for industrial customers.
Recomendado
Maritime and Off-Road Vehicle Telematics
Off-road and marine telematics controllers leverage the S912XEQ384J3VAL's wide automotive-grade temperature range, 384 KB Flash for CAN J1939 diagnostics, and the S12X core's strong IEC 61508 track record for the auxiliary safety functions sometimes mandated in heavy-vehicle and marine ECUs. The XGATE engine handles incoming CAN messages deterministically while the main core runs application logic and GPS/GLONASS stacks. AEC-Q100 screening provides a defence against vibration and humidity stresses.
Recomendado
Solar Inverter and Renewable-Energy Controllers
Although marketed primarily for automotive, the S912XEQ384J3VAL is also used in small photovoltaic inverter controllers and renewable-energy junction nodes that benefit from CAN/SCIs robust bus interfaces and AEC-Q100 Grade 1 thermal headroom. The 16-bit S12X core and ECT provide reliable cycle-by-cycle current control, while XGATE offloads inverter switching events from main core processing. The 112-LQFP footprint simplifies board layout reuse across solar platforms originally designed around legacy Freescale products.
Recomendado
Aerospace Auxiliary Control and Sensor Concentrators
General-aviation sensor concentrators and auxiliary control units use the S912XEQ384J3VAL because it offers -40C to +105C operation with AEC-Q100 screening, 384 KB Flash, and CAN 2.0 interfaces common in avionics databuses. The Memory Protection Unit enables supervisor/user separation, useful for partitioned DO-178 firmware baselines. XGATE service routines maintain deterministic timing when multiple sensor inputs converge. Note: DO-160 qualification at the system level remains the integrator's responsibility.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XEQ384J3VAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | S912XEQ384J3CAL | S912XEQ384J3CALR | S912XEG384J2CALR | S912XEQ384F1VAL | S912XEQ512J2MAL |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same |
| Program Flash | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB | 512 KB (+33%) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB |
| Core Frequency | 50 MHz / 25 MHz bus | 50 MHz / 25 MHz bus | 50 MHz / 25 MHz bus | 50 MHz / 25 MHz bus | 50 MHz / 25 MHz bus | 50 MHz / 25 MHz bus |
| Co-processor | XGATE | XGATE | XGATE | XGATE | XGATE | XGATE |
| ADC | 12-bit ATD, ~3 us conversion | 12-bit ATD, ~3 us conversion | 12-bit ATD, ~3 us conversion | 12-bit ATD, ~3 us conversion | 12-bit ATD, ~3 us conversion | 12-bit ATD, ~3 us conversion |
| Operating Temperature | -40C to +105C (AEC-Q100 Grade 1) | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Packaging | Tray | Reel 13-inch | Tape & Reel | Tape & Reel | Tray | Tray |
Principais diferenciais
- XGATE peripheral co-processor absent on classical HCS12 (vs MC9S12H256VFVE)
- 384 KB Flash, 16 KB RAM with MPU for software partitioning (vs MC9S12XEG128MAA)
- Production-ready drop-in tray variant within the S12XEQ family (vs S912XEQ384J3CALR)
Notas de projeto
Estimated: VDDX decoupling requires one 100 nF X7R ceramic per VDDX/VSSX pair located within 5 mm of each pin, plus bulk 4.7 uF on VDDR. The internal 2.5 V regulator (VDD2) requires a 1 uF bypass plus a 4.7 uF bulk. The PLL supply (VDDPLL/VSSPLL) must be filtered with a ferrite or RC from VDDX. Dropping these loops causes POR faults and reduces AEC-Q100 margin at low temperature.
Keep the EXTAL/XTAL traces short and symmetric, and route the XFC cap with a guarded guard-ring to VSSPLL to minimise PLL jitter. BGND must remain accessible for factory programming - place a 2x5 0.05-inch header or test pad. Place the reset network (4.7 kohm pull-up plus 1 nF delay) close to the RESET pin. Inadequate routing of the XFC capacitor node causes the well-documented XEQ oscillator start-up failure.
Do not assume the production CAL variant is interchangeable on a reel-only SMT line - VAL ships in tray, CAL/CALR ships in 13-inch reel. Confirm compatibility with the S12XEQ derivative mask revision when swapping between F1 and J3; EEPROM emulation offsets and CAN baud timing vary. Plan toolchain migration: legacy CodeWarrior 4.x projects must be rebuilt for CodeWarrior 5.1+ or migrated to S32 Design Studio with maintained BDM probe.
Informações de conformidade
AEC-Q100 Grade 1 per NXP product page. RoHS/REACH compliant per NXP and Arrow listings.
