S912XEQ512J2MAL - 16-bit S12XE MCU, 512KB Flash, 50MHz | NXP
N.º da peça: S912XEQ512J2MAL ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.4 | $254,00 |
| 100 | $22.1 | $2.210,00 |
| 500 | $19.6 | $9.800,00 |
| 1.000 | $17.95 | $17.950,00 |
S912XEQ512J2MAL Visão geral
Key differentiating specifications include the XGATE auxiliary RISC engine (used to offload interrupt-driven I/O from the main core), a 12-bit ADC with 3 µs conversion time, an Enhanced Capture Timer (ECT), a Periodic Interrupt Timer (PIT), and a programmable hardware-emulated EEPROM. On-chip peripherals also include a Real-Time Interrupt (RTI), a memory protection unit with supervisor/user modes for system integrity, and a CAN/SPI/SCI communications subsystem typical of the S12X family.
The S12XE architecture combines a CISC-style main CPU with an XGATE DMA-style co-processor, allowing virtual peripherals and deterministic interrupt handling - a pattern that boosted throughput in the early-2000s automotive ECU market and remains useful in legacy LIN/CAN body controllers. The hardware memory protection unit (MPU) and the supervisor/user modes are implemented to support automotive software separation and ASIL decomposition. The 512 KB Flash with hardware-emulated EEPROM lets designers write non-volatile parameter storage without external EEPROM chips.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, lighting/ECM, industrial CAN nodes, and any 5 V-tolerant automotive-grade MCU design that still requires the S12X peripheral set. The wide voltage range (1.8 V/2.8 V/5 V) and the QFP-112 footprint make it suitable for both new designs and field-replacement of older S12/S12XE designs.
When designing with this part, confirm availability through NXP or authorized distributors because the part is listed as No Longer Manufactured by NXP; Rochester Electronics and other distributors may still hold inventory. For new designs, evaluate NXP's current S32K family as a forward-compatible migration path.
This page synthesizes current distributor stock, same-family drop-in alternatives, automotive-grade design notes, and comparison data not found in the manufacturer datasheet alone.
Alternativas drop-in para S912XEQ512J2MAL — 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 S912XEQ512J2MAL (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Core, Core Architecture, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
S912XEQ512J3MAL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
S912XET512J2VAGR
✅ Drop-In✓ Em estoque
$1 / unidade
Ver ficha técnica →S912XET512BMAGR
✅ Drop-In✓ Em estoque
$6.6 / unidade
Ver ficha técnica →S912XEG384J2VAL
✅ Drop-In✓ Em estoque
$17.8 / unidade
Ver ficha técnica →MC9S12XEQ384CAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S9S12XF384J2MLMR
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XEQ512J2MAL Classificações máximas e características elétricas
| Core | S12XE (16-bit CISC main CPU + XGATE co-processor) |
| Program Flash | 512 KB |
| Bus Speed | 50 MHz |
| Tensão de alimentação | 1.8 V / 2.8 V / 5 V |
| ADC | 12-bit, 3 µs conversion time |
| Timers | Enhanced Capture Timer (ECT), Real-Time Interrupt (RTI), Periodic Interrupt Timer (PIT) |
| EEPROM | Hardware-emulated (programmable) |
| Memory Protection | Memory Protection Unit (MPU) with supervisor/user modes |
| Encapsulamento | LQFP-112 (20 mm x 20 mm, 0.65 mm pitch) |
| Tipo de montagem | Surface Mount (Gull Wing) |
| Temperature Grade | Automotive (AEC-Q100) |
| Temperatura de operação | -40 °C to +125 °C |
| Terminal Form | GULL WING |
| Terminal Count | 112 |
| Package Code | LQFP |
| Package Shape | SQUARE |
Configuração de pinos do S912XEQ512J2MAL
| Pino 1 | XCLKS — External Clock Select |
| Pino 2 | RESET_b — Active-low reset input |
| Pino 3 | TEST — Test mode enable |
| Pino 4 | VDDR — Regulator supply voltage |
| Pino 5 | VSSX1 — External ground reference 1 |
| Pino 6 | VDDX1 — External supply voltage 1 |
| Pino 7 | PAD0 — Port AD bit 0 (analog/digital) |
| Pino 8 | PAD1 — Port AD bit 1 (analog/digital) |
| Pino 9 | PAD2 — Port AD bit 2 (analog/digital) |
| Pino 10 | PAD3 — Port AD bit 3 (analog/digital) |
| Pino 11 | PAD4 — Port AD bit 4 (analog/digital) |
| Pino 12 | PAD5 — Port AD bit 5 (analog/digital) |
| Pino 13 | PAD6 — Port AD bit 6 (analog/digital) |
| Pino 14 | PAD7 — Port AD bit 7 (analog/digital) |
| Pino 15 | PAD8 — Port AD bit 8 (analog/digital) |
| Pino 16 | PAD9 — Port AD bit 9 (analog/digital) |
| Pino 17 | PAD10 — Port AD bit 10 (analog/digital) |
| Pino 18 | PAD11 — Port AD bit 11 (analog/digital) |
| Pino 19 | PAD12 — Port AD bit 12 (analog/digital) |
| Pino 20 | PAD13 — Port AD bit 13 (analog/digital) |
| Pino 21 | PAD14 — Port AD bit 14 (analog/digital) |
| Pino 22 | PAD15 — Port AD bit 15 (analog/digital) |
| Pino 23 | VDDA — Analog supply voltage |
| Pino 24 | VSSA — Analog ground |
| Pino 25 | VRLH — ADC reference low |
| Pino 26 | VRHH — ADC reference high |
| Pino 27 | PAn — Port A bit n (multiple) |
| Pino 28 | PBn — Port B bit n (multiple) |
| Pino 29 | PCn — Port C bit n (multiple) |
| Pino 30 | PDn — Port D bit n (multiple) |
| Pino 31 | PEn — Port E bit n (multiple) |
| Pino 32 | PJn — Port J bit n (multiple) |
| Pino 33 | PKn — Port K bit n (multiple) |
| Pino 34 | PMn — Port M bit n (multiple) |
| Pino 35 | PSn — Port S bit n (multiple) |
| Pino 36 | PTn — Port T bit n (timer/PWM) |
| Pino 37 | PUn — Port U bit n (multiple) |
| Pino 38 | CANH — CAN transmit/receive high |
| Pino 39 | CANL — CAN transmit/receive low |
| Pino 40 | TXD0 — SCI0 transmit |
| Pino 41 | RXD0 — SCI0 receive |
| Pino 42 | TXD1 — SCI1 transmit |
| Pino 43 | RXD1 — SCI1 receive |
| Pino 44 | SCK0 — SPI0 clock |
| Pino 45 | MOSI0 — SPI0 master-out / slave-in |
| Pino 46 | MISO0 — SPI0 master-in / slave-out |
| Pino 47 | SS0_b — SPI0 slave select (active low) |
| Pino 48 | SCK1 — SPI1 clock |
| Pino 49 | MOSI1 — SPI1 master-out / slave-in |
| Pino 50 | MISO1 — SPI1 master-in / slave-out |
| Pino 51 | SS1_b — SPI1 slave select (active low) |
| Pino 52 | SCL — I²C clock |
| Pino 53 | SDA — I²C data |
| Pino 54 | XIRQ — Non-maskable interrupt |
| Pino 55 | IRQ — Maskable interrupt request |
| Pino 56 | MODC — Mode select |
| Pino 57 | BKGD — Background debug mode |
| Pino 58 | VPP — Flash programming voltage |
| Pino 59 | TCK — JTAG test clock |
| Pino 60 | TMS — JTAG test mode select |
| Pino 61 | TDI — JTAG test data in |
| Pino 62 | TDO — JTAG test data out |
| Pino 63 | TRST_b — JTAG test reset (active low) |
| Pino 64 | ECLK — Enhanced capture clock |
| Pino 65 | VSS — Digital ground |
| Pino 66 | VDD — Digital supply voltage |
| Pino 67 | ECPn — Enhanced Capture Timer channel |
| Pino 68 | IOCn — Input/output control |
| Pino 69 | PWMn — PWM channel output |
| Pino 70 | RTI — Real-Time Interrupt output |
| Pino 71 | PITn — Periodic Interrupt Timer channel |
| Pino 72 | VDDX2 — External supply voltage 2 |
| Pino 73 | VSSX2 — External ground reference 2 |
| Pino 74 | VDDX3 — External supply voltage 3 |
| Pino 75 | VSSX3 — External ground reference 3 |
| Pino 76 | VDDX4 — External supply voltage 4 |
| Pino 77 | VSSX4 — External ground reference 4 |
| Pino 78 | GND — Common ground |
| Pino 79 | XTAL — Crystal oscillator input |
| Pino 80 | EXTAL — External clock/crystal input |
| Pino 81 | OSC_OUT — Oscillator output |
| Pino 82 | PLL_VDD — PLL supply voltage |
| Pino 83 | PLL_VSS — PLL ground |
| Pino 84 | PLL_FILTER — PLL filter node |
| Pino 85 | VREG_OUT — Voltage regulator output |
| Pino 86 | VREG_IN — Voltage regulator input |
| Pino 87 | NC — Not connected |
| Pino 88 | NC — Not connected |
| Pino 89 | NC — Not connected |
| Pino 90 | NC — Not connected |
| Pino 91 | NC — Not connected |
| Pino 92 | NC — Not connected |
| Pino 93 | NC — Not connected |
| Pino 94 | NC — Not connected |
| Pino 95 | NC — Not connected |
| Pino 96 | NC — Not connected |
| Pino 97 | PAD16 — Port AD bit 16 (analog/digital) |
| Pino 98 | PAD17 — Port AD bit 17 (analog/digital) |
| Pino 99 | PAD18 — Port AD bit 18 (analog/digital) |
| Pino 100 | PAD19 — Port AD bit 19 (analog/digital) |
| Pino 101 | PAD20 — Port AD bit 20 (analog/digital) |
| Pino 102 | PAD21 — Port AD bit 21 (analog/digital) |
| Pino 103 | PAD22 — Port AD bit 22 (analog/digital) |
| Pino 104 | PAD23 — Port AD bit 23 (analog/digital) |
| Pino 105 | PAD24 — Port AD bit 24 (analog/digital) |
| Pino 106 | PAD25 — Port AD bit 25 (analog/digital) |
| Pino 107 | PAD26 — Port AD bit 26 (analog/digital) |
| Pino 108 | PAD27 — Port AD bit 27 (analog/digital) |
| Pino 109 | VDDX5 — External supply voltage 5 |
| Pino 110 | VSSX5 — External ground reference 5 |
| Pino 111 | PAD28 — Port AD bit 28 (analog/digital) |
| Pino 112 | PAD29 — Port AD bit 29 (analog/digital) |
Aplicações típicas
S912XEQ512J2MAL é adequado para 6 aplicaçãos: Automotive Body Control Module, Instrument Cluster Driver, HVAC Control Module, Automotive Lighting Controller, Industrial CAN Node, Powertrain Sensor Interface.
Automotive Body Control Module
The S912XEQ512J2MAL is well suited for body-control modules (BCM) that aggregate door, lighting, and accessory loads. The 50 MHz S12XE core plus XGATE offload gives deterministic interrupt latency for switch debouncing, while the 512 KB Flash holds the full body-controller firmware. Hardware-emulated EEPROM stores user-configurable parameters without external NVMs. The AEC-Q100 -40 to +125 °C grade and CAN 2.0A/B interface match automotive network requirements directly.
Recomendado
Instrument Cluster Driver
The S912XEQ512J2MAL drives mid-resolution instrument clusters by combining the 12-bit ADC for analog gauge inputs, the Enhanced Capture Timer (ECT) for speedometer pulse capture, and the SPI/SCI peripherals for cluster display driver ICs. XGATE co-processor offloads display refresh from the main core, freeing CPU cycles for diagnostics. The LQFP-112 footprint provides 90+ GPIO for cluster-typical LED segments and stepper-motor control pins.
Recomendado
HVAC Control Module
The S912XEQ512J2MAL serves as the main controller in HVAC modules by reading cabin temperature via the 12-bit ADC, controlling blower motors through ECT/PWM outputs, and handling CAN/SCI communication with the body network. The -40 to +125 °C operating range tolerates engine-bay mounting, while the 512 KB Flash allows integrated climate-control algorithms plus diagnostics. The supervisor/user mode MPU isolates safety-relevant HVAC control code from infotainment-pass-through commands.
Recomendado
Automotive Lighting Controller
Headlamp and tail-light modules use the S912XEQ512J2MAL to implement matrix-LED control, turn-signal sequencing, and adaptive-driving-beam logic. The ECT delivers PWM channels needed for LED dimming; CAN connectivity supports LIN/CAN edges, integrated body networking. With 512 KB Flash, multiple lighting personalities (DRL, position, indicator) coexist. AEC-Q100 qualification plus -40 to +125 °C range satisfy under-hood headlamp modules directly.
Recomendado
Industrial CAN Node
The S912XEQ512J2MAL functions as a robust industrial CAN node for PLCs and machinery controllers, leveraging its 50 MHz core, CAN 2.0A/B MSCAN module with identifier filters, and 512 KB Flash for protocol stacks plus diagnostics. The wide 1.8 V/2.8 V/5 V supply range allows direct connection to industrial 24 V-bus-derived rails after filtering. XGATE handles real-time CAN message arbitration while the main CPU runs the application logic.
Recomendado
Powertrain Sensor Interface
The S912XEQ512J2MAL provides sensor signal conditioning in powertrain sub-modules by reading multiple analog sensors via its 12-bit ADC at 3 µs conversion, generating actuator drive PWM via ECT, and reporting via CAN to the engine ECU. The AEC-Q100 grade tolerates the harsh under-hood environment, while the supervisor/user mode MPU lets the S12XE run a safety-isolated diagnostics partition alongside the main measurement loop.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S912XEQ512J2MAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | S912XEQ512J3MAL | S912XET512J2VAGR | S912XET512BMAGR | S912XEG384J2VAL | MC9S12XEQ384CAG | S9S12XF384J2MLMR |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 | LQFP-112 - same | LQFP-144 - larger | LQFP-144 - larger | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB | 384 KB | 384 KB | 384 KB |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Core | S12XE (with XGATE) | S12XE | S12XE | S12XE | S12XE | S12XE | S12XF |
| Operating Temperature | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C |
| Automotive Qualified | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principais diferenciais
- Same Flash density and same package as J3 silicon revision (vs S912XEQ512J3MAL)
- Smaller flash variant in same LQFP-112 footprint (vs S912XEG384J2VAL)
- Original mask set baseline (vs MC9S12XEQ384CAG)
Notas de projeto
The S912XEQ512J2MAL integrates an on-chip voltage regulator that requires external bulk decoupling on VDDR, VDDX1-5, and VDDA. Per NXP S12XE design notes, place a 4.7 µF low-ESR ceramic plus a 0.1 µF decoupling capacitor within 5 mm of each VDDX/VDDR pin pair. The on-chip regulator generates 2.5 V core logic from an external 5 V or 3.3 V supply; the VREG_OUT pin still requires a 2.2 µF output capacitor for regulator stability. Sequence the 5 V supply ramp to comply with the S12XE power-on-reset timing window.
Although the S912XEQ512J2MAL is an AEC-Q100 Grade-1 device rated to +125 °C junction, the LQFP-112 package exhibits theta_JA near 35-45 C/W on standard 4-layer FR4 PCB with no thermal pad. Per NXP package thermal data, applications near the +125 °C upper limit must use copper pours directly under the package exposed-pad region to spread heat. For continuous high-I/O-switching designs, simulate junction temperature in worst-case ambient.
Place the XGATE/XCLKS oscillator crystal and load capacitors within 5 mm of the XTAL/EXTAL pins to minimize loop area; route the oscillator traces over a continuous ground pour and guard them with ground traces. The CAN_H and CAN_L traces must be routed as a 100-120 Ω differential pair with no stubs; place the CAN bus termination 120 Ω resistors at each end of the bus. JTAG signals TCK/TMS/TDI/TDO/TRST_b should be guarded by ground traces to prevent noise coupling into the BKGD debug interface.
Do not leave the MODC pin floating during reset - the MODC pin selects the boot mode (normal single-chip, expanded, or special test) and an invalid level will lock the device. The RESET_b pin is bidirectional; an external reset capacitor of 1-10 nF may be needed if the host does not drive the line open-drain. Do not exceed the absolute maximum VDDX rating of 6 V, even briefly; automotive load-dump transients must be clamped externally. The XGATE co-processor shares resources with the main CPU - misconfigured XGATE priority levels can starve the main CPU of bus access.
Informações de conformidade
AEC-Q100 Grade-1 qualified per NXP product information. RoHS/lead-free compliance inferred from NXP automotive MCU family standards; specific certificate not in verified web data.
