S912XEQ512J2MAL - 16-bit S12XE MCU, 512KB Flash, 50MHz | NXP
MPN: S912XEQ512J2MAL ✗ סוף ייצורS912XEQ512J2MAL סקירה
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.
חלופות תחליף ישיר עבור S912XEQ512J2MAL — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם S912XEQ512J2MAL (אותו גורם צורה וטביעת רגל) — שונים ב Package, Operating Temperature, Core, Core Architecture, ADC.
S912XEQ512J3MAL
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
S912XET512J2VAGR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XET512BMAGR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEG384J2VAL
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12XEQ384CAG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S9S12XF384J2MLMR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEQ512J2MAL דירוגים מרביים ומאפיינים חשמליים
| Core | S12XE (16-bit CISC main CPU + XGATE co-processor) |
| Program Flash | 512 KB |
| Bus Speed | 50 MHz |
| מתח אספקה | 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 |
| מארז | LQFP-112 (20 mm x 20 mm, 0.65 mm pitch) |
| סוג הרכבה | Surface Mount (Gull Wing) |
| Temperature Grade | Automotive (AEC-Q100) |
| טמפרטורת פעולה | -40 °C to +125 °C |
| Terminal Form | GULL WING |
| Terminal Count | 112 |
| Package Code | LQFP |
| Package Shape | SQUARE |
תצורת פינים של S912XEQ512J2MAL
| פין 1 | XCLKS — External Clock Select |
| פין 2 | RESET_b — Active-low reset input |
| פין 3 | TEST — Test mode enable |
| פין 4 | VDDR — Regulator supply voltage |
| פין 5 | VSSX1 — External ground reference 1 |
| פין 6 | VDDX1 — External supply voltage 1 |
| פין 7 | PAD0 — Port AD bit 0 (analog/digital) |
| פין 8 | PAD1 — Port AD bit 1 (analog/digital) |
| פין 9 | PAD2 — Port AD bit 2 (analog/digital) |
| פין 10 | PAD3 — Port AD bit 3 (analog/digital) |
| פין 11 | PAD4 — Port AD bit 4 (analog/digital) |
| פין 12 | PAD5 — Port AD bit 5 (analog/digital) |
| פין 13 | PAD6 — Port AD bit 6 (analog/digital) |
| פין 14 | PAD7 — Port AD bit 7 (analog/digital) |
| פין 15 | PAD8 — Port AD bit 8 (analog/digital) |
| פין 16 | PAD9 — Port AD bit 9 (analog/digital) |
| פין 17 | PAD10 — Port AD bit 10 (analog/digital) |
| פין 18 | PAD11 — Port AD bit 11 (analog/digital) |
| פין 19 | PAD12 — Port AD bit 12 (analog/digital) |
| פין 20 | PAD13 — Port AD bit 13 (analog/digital) |
| פין 21 | PAD14 — Port AD bit 14 (analog/digital) |
| פין 22 | PAD15 — Port AD bit 15 (analog/digital) |
| פין 23 | VDDA — Analog supply voltage |
| פין 24 | VSSA — Analog ground |
| פין 25 | VRLH — ADC reference low |
| פין 26 | VRHH — ADC reference high |
| פין 27 | PAn — Port A bit n (multiple) |
| פין 28 | PBn — Port B bit n (multiple) |
| פין 29 | PCn — Port C bit n (multiple) |
| פין 30 | PDn — Port D bit n (multiple) |
| פין 31 | PEn — Port E bit n (multiple) |
| פין 32 | PJn — Port J bit n (multiple) |
| פין 33 | PKn — Port K bit n (multiple) |
| פין 34 | PMn — Port M bit n (multiple) |
| פין 35 | PSn — Port S bit n (multiple) |
| פין 36 | PTn — Port T bit n (timer/PWM) |
| פין 37 | PUn — Port U bit n (multiple) |
| פין 38 | CANH — CAN transmit/receive high |
| פין 39 | CANL — CAN transmit/receive low |
| פין 40 | TXD0 — SCI0 transmit |
| פין 41 | RXD0 — SCI0 receive |
| פין 42 | TXD1 — SCI1 transmit |
| פין 43 | RXD1 — SCI1 receive |
| פין 44 | SCK0 — SPI0 clock |
| פין 45 | MOSI0 — SPI0 master-out / slave-in |
| פין 46 | MISO0 — SPI0 master-in / slave-out |
| פין 47 | SS0_b — SPI0 slave select (active low) |
| פין 48 | SCK1 — SPI1 clock |
| פין 49 | MOSI1 — SPI1 master-out / slave-in |
| פין 50 | MISO1 — SPI1 master-in / slave-out |
| פין 51 | SS1_b — SPI1 slave select (active low) |
| פין 52 | SCL — I²C clock |
| פין 53 | SDA — I²C data |
| פין 54 | XIRQ — Non-maskable interrupt |
| פין 55 | IRQ — Maskable interrupt request |
| פין 56 | MODC — Mode select |
| פין 57 | BKGD — Background debug mode |
| פין 58 | VPP — Flash programming voltage |
| פין 59 | TCK — JTAG test clock |
| פין 60 | TMS — JTAG test mode select |
| פין 61 | TDI — JTAG test data in |
| פין 62 | TDO — JTAG test data out |
| פין 63 | TRST_b — JTAG test reset (active low) |
| פין 64 | ECLK — Enhanced capture clock |
| פין 65 | VSS — Digital ground |
| פין 66 | VDD — Digital supply voltage |
| פין 67 | ECPn — Enhanced Capture Timer channel |
| פין 68 | IOCn — Input/output control |
| פין 69 | PWMn — PWM channel output |
| פין 70 | RTI — Real-Time Interrupt output |
| פין 71 | PITn — Periodic Interrupt Timer channel |
| פין 72 | VDDX2 — External supply voltage 2 |
| פין 73 | VSSX2 — External ground reference 2 |
| פין 74 | VDDX3 — External supply voltage 3 |
| פין 75 | VSSX3 — External ground reference 3 |
| פין 76 | VDDX4 — External supply voltage 4 |
| פין 77 | VSSX4 — External ground reference 4 |
| פין 78 | GND — Common ground |
| פין 79 | XTAL — Crystal oscillator input |
| פין 80 | EXTAL — External clock/crystal input |
| פין 81 | OSC_OUT — Oscillator output |
| פין 82 | PLL_VDD — PLL supply voltage |
| פין 83 | PLL_VSS — PLL ground |
| פין 84 | PLL_FILTER — PLL filter node |
| פין 85 | VREG_OUT — Voltage regulator output |
| פין 86 | VREG_IN — Voltage regulator input |
| פין 87 | NC — Not connected |
| פין 88 | NC — Not connected |
| פין 89 | NC — Not connected |
| פין 90 | NC — Not connected |
| פין 91 | NC — Not connected |
| פין 92 | NC — Not connected |
| פין 93 | NC — Not connected |
| פין 94 | NC — Not connected |
| פין 95 | NC — Not connected |
| פין 96 | NC — Not connected |
| פין 97 | PAD16 — Port AD bit 16 (analog/digital) |
| פין 98 | PAD17 — Port AD bit 17 (analog/digital) |
| פין 99 | PAD18 — Port AD bit 18 (analog/digital) |
| פין 100 | PAD19 — Port AD bit 19 (analog/digital) |
| פין 101 | PAD20 — Port AD bit 20 (analog/digital) |
| פין 102 | PAD21 — Port AD bit 21 (analog/digital) |
| פין 103 | PAD22 — Port AD bit 22 (analog/digital) |
| פין 104 | PAD23 — Port AD bit 23 (analog/digital) |
| פין 105 | PAD24 — Port AD bit 24 (analog/digital) |
| פין 106 | PAD25 — Port AD bit 25 (analog/digital) |
| פין 107 | PAD26 — Port AD bit 26 (analog/digital) |
| פין 108 | PAD27 — Port AD bit 27 (analog/digital) |
| פין 109 | VDDX5 — External supply voltage 5 |
| פין 110 | VSSX5 — External ground reference 5 |
| פין 111 | PAD28 — Port AD bit 28 (analog/digital) |
| פין 112 | PAD29 — Port AD bit 29 (analog/digital) |
יישומים טיפוסיים
S912XEQ512J2MAL מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור S912XEQ512J2MAL — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Same Flash density and same package as J3 silicon revision (לעומתS912XEQ512J3MAL)
- Smaller flash variant in same LQFP-112 footprint (לעומתS912XEG384J2VAL)
- Original mask set baseline (לעומתMC9S12XEQ384CAG)
הערות תכנון
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.
מידע על תאימות
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.
