S912XEQ512J2MAL - 16-bit S12XE MCU, 512KB Flash, 50MHz | NXP
MPN: S912XEQ512J2MAL ✗ پایان تولیدS912XEQ512J2MAL نمای کلی
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.
جایگزین‌های drop-in برای S912XEQ512J2MAL — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای S912XEQ512J2MAL (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, Core, Core Architecture, ADC.
S912XEQ512J3MAL
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
S912XET512J2VAGR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XET512BMAGR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEG384J2VAL
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12XEQ384CAG
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S9S12XF384J2MLMR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEQ512J2MAL حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core | S12XE (16-bit CISC main CPU + XGATE co-processor) |
| Program Flash | 512 KB |
| Bus Speed | 50 MHz |
| ولتاژ تغذیه | 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 |
| بسته‌بندی | LQFP-112 (20 mm x 20 mm, 0.65 mm pitch) |
| نوع نصب | Surface Mount (Gull Wing) |
| Temperature Grade | Automotive (AEC-Q100) |
| دمای کاری | -40 °C to +125 °C |
| Terminal Form | GULL WING |
| Terminal Count | 112 |
| Package Code | LQFP |
| Package Shape | SQUARE |
پیکربندی پین S912XEQ512J2MAL
| پین 1 | XCLKS — External Clock Select |
| پین 2 | RESET_b — Active-low reset input |
| پین 3 | TEST — Test mode enable |
| پین 4 | VDDR — Regulator supply voltage |
| پین 5 | VSSX1 — External ground reference 1 |
| پین 6 | VDDX1 — External supply voltage 1 |
| پین 7 | PAD0 — Port AD bit 0 (analog/digital) |
| پین 8 | PAD1 — Port AD bit 1 (analog/digital) |
| پین 9 | PAD2 — Port AD bit 2 (analog/digital) |
| پین 10 | PAD3 — Port AD bit 3 (analog/digital) |
| پین 11 | PAD4 — Port AD bit 4 (analog/digital) |
| پین 12 | PAD5 — Port AD bit 5 (analog/digital) |
| پین 13 | PAD6 — Port AD bit 6 (analog/digital) |
| پین 14 | PAD7 — Port AD bit 7 (analog/digital) |
| پین 15 | PAD8 — Port AD bit 8 (analog/digital) |
| پین 16 | PAD9 — Port AD bit 9 (analog/digital) |
| پین 17 | PAD10 — Port AD bit 10 (analog/digital) |
| پین 18 | PAD11 — Port AD bit 11 (analog/digital) |
| پین 19 | PAD12 — Port AD bit 12 (analog/digital) |
| پین 20 | PAD13 — Port AD bit 13 (analog/digital) |
| پین 21 | PAD14 — Port AD bit 14 (analog/digital) |
| پین 22 | PAD15 — Port AD bit 15 (analog/digital) |
| پین 23 | VDDA — Analog supply voltage |
| پین 24 | VSSA — Analog ground |
| پین 25 | VRLH — ADC reference low |
| پین 26 | VRHH — ADC reference high |
| پین 27 | PAn — Port A bit n (multiple) |
| پین 28 | PBn — Port B bit n (multiple) |
| پین 29 | PCn — Port C bit n (multiple) |
| پین 30 | PDn — Port D bit n (multiple) |
| پین 31 | PEn — Port E bit n (multiple) |
| پین 32 | PJn — Port J bit n (multiple) |
| پین 33 | PKn — Port K bit n (multiple) |
| پین 34 | PMn — Port M bit n (multiple) |
| پین 35 | PSn — Port S bit n (multiple) |
| پین 36 | PTn — Port T bit n (timer/PWM) |
| پین 37 | PUn — Port U bit n (multiple) |
| پین 38 | CANH — CAN transmit/receive high |
| پین 39 | CANL — CAN transmit/receive low |
| پین 40 | TXD0 — SCI0 transmit |
| پین 41 | RXD0 — SCI0 receive |
| پین 42 | TXD1 — SCI1 transmit |
| پین 43 | RXD1 — SCI1 receive |
| پین 44 | SCK0 — SPI0 clock |
| پین 45 | MOSI0 — SPI0 master-out / slave-in |
| پین 46 | MISO0 — SPI0 master-in / slave-out |
| پین 47 | SS0_b — SPI0 slave select (active low) |
| پین 48 | SCK1 — SPI1 clock |
| پین 49 | MOSI1 — SPI1 master-out / slave-in |
| پین 50 | MISO1 — SPI1 master-in / slave-out |
| پین 51 | SS1_b — SPI1 slave select (active low) |
| پین 52 | SCL — I²C clock |
| پین 53 | SDA — I²C data |
| پین 54 | XIRQ — Non-maskable interrupt |
| پین 55 | IRQ — Maskable interrupt request |
| پین 56 | MODC — Mode select |
| پین 57 | BKGD — Background debug mode |
| پین 58 | VPP — Flash programming voltage |
| پین 59 | TCK — JTAG test clock |
| پین 60 | TMS — JTAG test mode select |
| پین 61 | TDI — JTAG test data in |
| پین 62 | TDO — JTAG test data out |
| پین 63 | TRST_b — JTAG test reset (active low) |
| پین 64 | ECLK — Enhanced capture clock |
| پین 65 | VSS — Digital ground |
| پین 66 | VDD — Digital supply voltage |
| پین 67 | ECPn — Enhanced Capture Timer channel |
| پین 68 | IOCn — Input/output control |
| پین 69 | PWMn — PWM channel output |
| پین 70 | RTI — Real-Time Interrupt output |
| پین 71 | PITn — Periodic Interrupt Timer channel |
| پین 72 | VDDX2 — External supply voltage 2 |
| پین 73 | VSSX2 — External ground reference 2 |
| پین 74 | VDDX3 — External supply voltage 3 |
| پین 75 | VSSX3 — External ground reference 3 |
| پین 76 | VDDX4 — External supply voltage 4 |
| پین 77 | VSSX4 — External ground reference 4 |
| پین 78 | GND — Common ground |
| پین 79 | XTAL — Crystal oscillator input |
| پین 80 | EXTAL — External clock/crystal input |
| پین 81 | OSC_OUT — Oscillator output |
| پین 82 | PLL_VDD — PLL supply voltage |
| پین 83 | PLL_VSS — PLL ground |
| پین 84 | PLL_FILTER — PLL filter node |
| پین 85 | VREG_OUT — Voltage regulator output |
| پین 86 | VREG_IN — Voltage regulator input |
| پین 87 | NC — Not connected |
| پین 88 | NC — Not connected |
| پین 89 | NC — Not connected |
| پین 90 | NC — Not connected |
| پین 91 | NC — Not connected |
| پین 92 | NC — Not connected |
| پین 93 | NC — Not connected |
| پین 94 | NC — Not connected |
| پین 95 | NC — Not connected |
| پین 96 | NC — Not connected |
| پین 97 | PAD16 — Port AD bit 16 (analog/digital) |
| پین 98 | PAD17 — Port AD bit 17 (analog/digital) |
| پین 99 | PAD18 — Port AD bit 18 (analog/digital) |
| پین 100 | PAD19 — Port AD bit 19 (analog/digital) |
| پین 101 | PAD20 — Port AD bit 20 (analog/digital) |
| پین 102 | PAD21 — Port AD bit 21 (analog/digital) |
| پین 103 | PAD22 — Port AD bit 22 (analog/digital) |
| پین 104 | PAD23 — Port AD bit 23 (analog/digital) |
| پین 105 | PAD24 — Port AD bit 24 (analog/digital) |
| پین 106 | PAD25 — Port AD bit 25 (analog/digital) |
| پین 107 | PAD26 — Port AD bit 26 (analog/digital) |
| پین 108 | PAD27 — Port AD bit 27 (analog/digital) |
| پین 109 | VDDX5 — External supply voltage 5 |
| پین 110 | VSSX5 — External ground reference 5 |
| پین 111 | PAD28 — Port AD bit 28 (analog/digital) |
| پین 112 | PAD29 — Port AD bit 29 (analog/digital) |
کاربردهای معمول
S912XEQ512J2MAL مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای S912XEQ512J2MAL — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- Same Flash density and same package as J3 silicon revision (در مقابلS912XEQ512J3MAL)
- Smaller flash variant in same LQFP-112 footprint (در مقابلS912XEG384J2VAL)
- Original mask set baseline (در مقابلMC9S12XEQ384CAG)
یادداشت‌های طراحی
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.
اطلاعات انطباق
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.
