S912XEQ384F0CAL - 16-bit S12X MCU 384KB Flash 50MHz | NXP
N.º da peça: S912XEQ384F0CAL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.56 | $8,56 |
| 10 | $8.1 | $81,00 |
| 100 | $7.45 | $745,00 |
| 500 | $6.8 | $3.400,00 |
| 1.000 | $6.2 | $6.200,00 |
S912XEQ384F0CAL Visão geral
A 16-bit microcontroller (MCU) is an integrated circuit that combines a processor core, memory, and peripherals on a single chip, executing control tasks in embedded systems. Within the power-management and embedded-control hierarchy, the S12X family sits between 8-bit HC08/S08 MCUs and 32-bit automotive processors such as the SPC5 Power Architecture line, offering real-time deterministic control with a low migration barrier.
Key features include the XGATE co-processor, a RISC engine that offloads interrupt handling and I/O processing to boost overall system performance as if implementing virtual peripherals; a flexible, programmable, hardware-emulated EEPROM (D-Flash); and system integrity support through a memory protection unit (MPU) with supervisor and user operating modes. Peripherals include an enhanced capture timer (ECT), periodic interrupt timer (PIT), real-time interrupt (RTI), CAN modules, and the 12-bit ADC supporting fast analog acquisition for motor and sensor control.
The S12X architecture is a CISC-style 16-bit CPU with an extended addressing plane (X-gate paging), mature development tooling (CodeWarrior), and a long automotive track record for body, chassis, and powertrain control. The -40C to +85C industrial/automotive temperature grade and NXP automotive qualification support harsh-environment deployment.
Typical applications include automotive body control modules, gateway nodes, HVAC blowers, electric power steering assist logic, industrial motor control, and building automation controllers where deterministic 16-bit control with rich analog and CAN connectivity is required.
Design consideration: the 50 MHz bus speed assumes proper PLL configuration and crystal selection; ensure decoupling on all VDD/VDDA pairs and review EMC layout guidelines early, since automotive EMC testing frequently drives PCB respins on 112-pin LQFP devices.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para S912XEQ384F0CAL — 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 S912XEQ384F0CAL (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Core Processor, Timers, RoHS Status.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12XEQ384CAG
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEG384J2CAL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$9.1 / unidade
Ver ficha técnica →S912XEG256J2CAL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$15.4 / unidade
Ver ficha técnica →MC9S12XEP768CAG
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$19.85 / unidade
Ver ficha técnica →S9S12XF384J2MLMR
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEQ384F0CAL Classificações máximas e características elétricas
| Core Processor | HCS12X (S12X) |
| Core Size | 16-bit |
| Bus Speed | 50 MHz |
| Flash Memory | 384 KB (384K x 8) |
| RAM Size | 24 KB (24K x 8) |
| EEPROM | Hardware-emulated (D-Flash), programmable |
| ADC Resolution | 12-bit |
| ADC Conversion Time | 3 us |
| Co-processor | XGATE RISC co-processor |
| Memory Protection | MPU with supervisor/user modes |
| Timers | Enhanced Capture Timer (ECT), PIT, RTI |
| Temperatura de operação | -40C to +85C |
| Encapsulamento | 112-LQFP (20x20 mm), gull-wing terminals |
| Tipo de montagem | Surface Mount |
| Qualification | Automotive Qualified |
| Temperature Grade | Industrial |
Guia de Configuração de Pinos do S912XEQ384F0CAL 112-lqfp (20x20 mm), gull-wing terminals
Configuração de pinos para S912XEQ384F0CAL (pacote 112-lqfp (20x20 mm), gull-wing terminals). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para S912XEQ384F0CAL.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
S912XEQ384F0CAL é adequado para 6 aplicaçãos: Automotive Body Control Modules, HVAC Blower and Climate Control, Industrial Motor Control, In-Vehicle Network Gateway Nodes, Building Automation Controllers, Agricultural and Off-Highway Vehicle Electronics.
Automotive Body Control Modules
The S912XEQ384F0CAL is a proven fit for automotive body control modules (BCM), where it drives loads (lamps, relays, motors) while monitoring switch inputs and LIN/CAN networks. Its 384 KB Flash holds complex diagnostic and network stacks, the XGATE co-processor services high-rate I/O interrupts without stealing CPU time from the state machine, and the hardware-emulated EEPROM stores configuration and fault data without an external EEPROM IC. The -40C to +85C grade and automotive qualification support under-hood-adjacent and cabin environments. The 12-bit ADC with 3 us conversion handles load-current sensing, and the MPU with supervisor/user modes helps partition network-stack code from application logic, improving system integrity in safety-relevant body functions.
Recomendado
HVAC Blower and Climate Control
In HVAC blowers and climate-control units, the S912XEQ384F0CAL combines deterministic 16-bit control with the analog precision needed for blower motor current regulation and temperature acquisition. The 12-bit ADC with 3 us conversion time samples NTC and current-shuffler signals quickly, while the Enhanced Capture Timer measures fan tach pulses for closed-loop speed control. The PIT and RTI provide fixed-rate scheduling of PID loops and watchdog activity, and 384 KB Flash accommodates calibration tables plus LIN/CAN diagnostics. The XGATE co-processor offloads commutation and tach servicing so the main core runs the control algorithm and network stack concurrently, reducing interrupt latency and improving acoustic behavior of the blower across the -40C to +85C range.
Recomendado
Industrial Motor Control
For industrial motor drives and motion control, the S912XEQ384F0CAL offers a 50 MHz bus, 12-bit ADC with 3 us conversion, and the ECT for PWM measurement - adequate for brushed DC, stepper, and BLDC control loops. The XGATE co-processor executes commutation and fault-handling threads with deterministic latency, while the main S12X core runs the speed/position controller and Modbus/CAN communication. The hardware-emulated EEPROM stores motor parameter sets and fault logs without external memory, and the MPU separates critical control code from user-written logic. Industrial ambient conditions within -40C to +85C are directly supported, and the mature CodeWarrior toolchain plus abundant S12X reference designs shorten development cycles for retrofit and OEM drive electronics.
Recomendado
In-Vehicle Network Gateway Nodes
The S912XEQ384F0CAL serves as a cost-effective gateway or routing node between CAN subnets in vehicles and industrial machines. Its 384 KB Flash holds dual-channel CAN stacks, UDS diagnostics, and routing tables, while the XGATE co-processor pre-processes frames and filters messages to keep main-core latency low. The PIT provides precise periodic scheduling for network management and timeout handling, and the hardware-emulated EEPROM retains DTC and configuration data across power cycles. The MPU with supervisor and user modes supports a partitioned software architecture separating the communication stack from application code, which eases review for functional-safety-adjacent designs. Rochester Electronics licensed production adds a long-term supply option for platforms with extended service lives.
Recomendado
Building Automation Controllers
In building automation - damper actuators, valve controllers, and room controllers - the S912XEQ384F0CAL balances cost, analog capability, and network connectivity. The 12-bit ADC acquires temperature, humidity, and pressure sensor inputs at 3 us conversion speed, the ECT handles pulse-flow metering (e.g., energy meters), and the RTI maintains wall-clock real-time interrupt scheduling. With 384 KB Flash and 24 KB RAM, full BACnet- or Modbus-class stacks plus PID control loops fit without external memory, and the emulated EEPROM stores setpoints and schedules reliably. The -40C to +85C rating covers unconditioned mechanical rooms, while the S12X family's long lifecycle and Rochester Electronics availability support decade-long building product support commitments.
Recomendado
Agricultural and Off-Highway Vehicle Electronics
Off-highway equipment - tractor implement controllers, sprayer rate controllers, and lift electronics - benefits from the S912XEQ384F0CAL's rugged 16-bit architecture. The 50 MHz bus and XGATE co-processor manage ISOBUS/CAN communication and PWM valve driving concurrently, while the 12-bit ADC with 3 us conversion reads position potentiometers, pressure transducers, and current shunts. The ECT captures wheel-speed and flow pulses for rate control, and the hardware-emulated EEPROM preserves calibration and service data through power cycles in the field. The -40C to +85C temperature grade and automotive qualification align with agricultural EMC and environmental requirements, and the S12X ecosystem's diagnostic tooling simplifies field service and end-of-line programming.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XEQ384F0CAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12XEQ384CAG | S912XEG384J2CAL | S912XEG256J2CAL | MC9S12XEP768CAG | S9S12XF384J2MLMR |
|---|---|---|---|---|---|---|
| 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 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 384 KB | 384 KB | 384 KB | 256 KB | 768 KB | 384 KB |
| Core / Bus Speed | HCS12X 16-bit, 50 MHz | HCS12X 16-bit, 50 MHz | HCS12X 16-bit, 50 MHz | HCS12X 16-bit, 50 MHz | HCS12X 16-bit, 50 MHz | HCS12X 16-bit, 50 MHz |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | Yes |
| ADC | 12-bit, 3 us conversion | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Family Networking Features | CAN (S12XE) | CAN | CAN (G variant peripheral mix) | CAN (G variant peripheral mix) | CAN | CAN + FlexRay (XF) |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Automotive Qualification | Automotive Qualified | Automotive Qualified | Automotive Qualified | Automotive Qualified | Automotive Qualified | Automotive Qualified |
Principais diferenciais
- Balanced 384 KB Flash with hardware-emulated EEPROM (vs S912XEG256J2CAL)
- Cost-effective upgrade headroom (vs MC9S12XEP768CAG)
- CAN-focused peripheral set for lower system cost (vs S9S12XF384J2MLMR)
Notas de projeto
S12XE devices run from a nominal 5 V supply with an internal voltage regulator generating the 2.5 V core rail. Decouple all VDD/VSS pairs with 100 nF ceramics placed within 2 mm of the pins, and decouple VDDA/VSSA separately with an RC filter (e.g., 10 ohm + 1 uF) to keep ADC noise low - critical for achieving full 12-bit accuracy at 3 us conversion. Verify the exact supply range on the NXP S12XE family data sheet before finalizing the regulator design.
For the 112-pin LQFP, route the crystal/oscillator loop with a ground guard ring and keep trace lengths under 15 mm. CAN differential pairs should be 120 ohm impedance with a common-mode choke near the transceiver. Use a solid ground plane on layer 2 to control EMC emissions at the 50 MHz bus frequency - automotive CISPR-class testing (per OEM specs) is the usual acceptance gate for S12X nodes, so early pre-compliance sweeps save respins.
The 50 MHz bus speed is achieved via the internal PLL from a lower-frequency crystal; do not assume the crystal frequency equals bus frequency. Also, when porting code from the legacy MC9S12XEQ384CAG ordering code, verify mask-set/errata compatibility across production date codes. XGATE threads run from a separate RAM region - misconfigured XGATE vector tables are the most common bring-up failure reported on S12XE designs.
Informações de conformidade
NXP product page lists Environmental Quality and RoHS/REACH sections; specific compliance status for this ordering code must be confirmed on nxp.com/part/S912XEQ384F0CAL. The part is advertised as Automotive Qualified per Mouser/NXP listings.
