S912XEQ512J2MAL - 16-bit S12XE MCU, 512KB Flash, 50MHz | NXP
MPN: S912XEQ512J2MAL ✗ Akhir HidupS912XEQ512J2MAL Ringkasan
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.
Alternatif penggantian untuk S912XEQ512J2MAL — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian S912XEQ512J2MAL (sama faktor bentuk dan footprint) — berbeda di dalam Package, Operating Temperature, Core, Core Architecture, ADC.
S912XEQ512J3MAL
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XET512J2VAGR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XET512BMAGR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG384J2VAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEQ384CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →S9S12XF384J2MLMR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEQ512J2MAL Rating Maksimal & Karakteristik Listrik
| Core | S12XE (16-bit CISC main CPU + XGATE co-processor) |
| Program Flash | 512 KB |
| Bus Speed | 50 MHz |
| Tegangan Pemuat | 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 |
| Paket | LQFP-112 (20 mm x 20 mm, 0.65 mm pitch) |
| Tipe Mounting | Surface Mount (Gull Wing) |
| Temperature Grade | Automotive (AEC-Q100) |
| Suhu Kerja | -40 °C to +125 °C |
| Terminal Form | GULL WING |
| Terminal Count | 112 |
| Package Code | LQFP |
| Package Shape | SQUARE |
Konfigurasi Pin S912XEQ512J2MAL
| Pin produk 1 | XCLKS — External Clock Select |
| Pin produk 2 | RESET_b — Active-low reset input |
| Pin produk 3 | TEST — Test mode enable |
| Pin produk 4 | VDDR — Regulator supply voltage |
| Pin produk 5 | VSSX1 — External ground reference 1 |
| Pin produk 6 | VDDX1 — External supply voltage 1 |
| Pin produk 7 | PAD0 — Port AD bit 0 (analog/digital) |
| Pin produk 8 | PAD1 — Port AD bit 1 (analog/digital) |
| Pin produk 9 | PAD2 — Port AD bit 2 (analog/digital) |
| Pin produk 10 | PAD3 — Port AD bit 3 (analog/digital) |
| Pin produk 11 | PAD4 — Port AD bit 4 (analog/digital) |
| Pin produk 12 | PAD5 — Port AD bit 5 (analog/digital) |
| Pin produk 13 | PAD6 — Port AD bit 6 (analog/digital) |
| Pin produk 14 | PAD7 — Port AD bit 7 (analog/digital) |
| Pin produk 15 | PAD8 — Port AD bit 8 (analog/digital) |
| Pin produk 16 | PAD9 — Port AD bit 9 (analog/digital) |
| Pin produk 17 | PAD10 — Port AD bit 10 (analog/digital) |
| Pin produk 18 | PAD11 — Port AD bit 11 (analog/digital) |
| Pin produk 19 | PAD12 — Port AD bit 12 (analog/digital) |
| Pin produk 20 | PAD13 — Port AD bit 13 (analog/digital) |
| Pin produk 21 | PAD14 — Port AD bit 14 (analog/digital) |
| Pin produk 22 | PAD15 — Port AD bit 15 (analog/digital) |
| Pin produk 23 | VDDA — Analog supply voltage |
| Pin produk 24 | VSSA — Analog ground |
| Pin produk 25 | VRLH — ADC reference low |
| Pin produk 26 | VRHH — ADC reference high |
| Pin produk 27 | PAn — Port A bit n (multiple) |
| Pin produk 28 | PBn — Port B bit n (multiple) |
| Pin produk 29 | PCn — Port C bit n (multiple) |
| Pin produk 30 | PDn — Port D bit n (multiple) |
| Pin produk 31 | PEn — Port E bit n (multiple) |
| Pin produk 32 | PJn — Port J bit n (multiple) |
| Pin produk 33 | PKn — Port K bit n (multiple) |
| Pin produk 34 | PMn — Port M bit n (multiple) |
| Pin produk 35 | PSn — Port S bit n (multiple) |
| Pin produk 36 | PTn — Port T bit n (timer/PWM) |
| Pin produk 37 | PUn — Port U bit n (multiple) |
| Pin produk 38 | CANH — CAN transmit/receive high |
| Pin produk 39 | CANL — CAN transmit/receive low |
| Pin produk 40 | TXD0 — SCI0 transmit |
| Pin produk 41 | RXD0 — SCI0 receive |
| Pin produk 42 | TXD1 — SCI1 transmit |
| Pin produk 43 | RXD1 — SCI1 receive |
| Pin produk 44 | SCK0 — SPI0 clock |
| Pin produk 45 | MOSI0 — SPI0 master-out / slave-in |
| Pin produk 46 | MISO0 — SPI0 master-in / slave-out |
| Pin produk 47 | SS0_b — SPI0 slave select (active low) |
| Pin produk 48 | SCK1 — SPI1 clock |
| Pin produk 49 | MOSI1 — SPI1 master-out / slave-in |
| Pin produk 50 | MISO1 — SPI1 master-in / slave-out |
| Pin produk 51 | SS1_b — SPI1 slave select (active low) |
| Pin produk 52 | SCL — I²C clock |
| Pin produk 53 | SDA — I²C data |
| Pin produk 54 | XIRQ — Non-maskable interrupt |
| Pin produk 55 | IRQ — Maskable interrupt request |
| Pin produk 56 | MODC — Mode select |
| Pin produk 57 | BKGD — Background debug mode |
| Pin produk 58 | VPP — Flash programming voltage |
| Pin produk 59 | TCK — JTAG test clock |
| Pin produk 60 | TMS — JTAG test mode select |
| Pin produk 61 | TDI — JTAG test data in |
| Pin produk 62 | TDO — JTAG test data out |
| Pin produk 63 | TRST_b — JTAG test reset (active low) |
| Pin produk 64 | ECLK — Enhanced capture clock |
| Pin produk 65 | VSS — Digital ground |
| Pin produk 66 | VDD — Digital supply voltage |
| Pin produk 67 | ECPn — Enhanced Capture Timer channel |
| Pin produk 68 | IOCn — Input/output control |
| Pin produk 69 | PWMn — PWM channel output |
| Pin produk 70 | RTI — Real-Time Interrupt output |
| Pin produk 71 | PITn — Periodic Interrupt Timer channel |
| Pin produk 72 | VDDX2 — External supply voltage 2 |
| Pin produk 73 | VSSX2 — External ground reference 2 |
| Pin produk 74 | VDDX3 — External supply voltage 3 |
| Pin produk 75 | VSSX3 — External ground reference 3 |
| Pin produk 76 | VDDX4 — External supply voltage 4 |
| Pin produk 77 | VSSX4 — External ground reference 4 |
| Pin produk 78 | GND — Common ground |
| Pin produk 79 | XTAL — Crystal oscillator input |
| Pin produk 80 | EXTAL — External clock/crystal input |
| Pin produk 81 | OSC_OUT — Oscillator output |
| Pin produk 82 | PLL_VDD — PLL supply voltage |
| Pin produk 83 | PLL_VSS — PLL ground |
| Pin produk 84 | PLL_FILTER — PLL filter node |
| Pin produk 85 | VREG_OUT — Voltage regulator output |
| Pin produk 86 | VREG_IN — Voltage regulator input |
| Pin produk 87 | NC — Not connected |
| Pin produk 88 | NC — Not connected |
| Pin produk 89 | NC — Not connected |
| Pin produk 90 | NC — Not connected |
| Pin produk 91 | NC — Not connected |
| Pin produk 92 | NC — Not connected |
| Pin produk 93 | NC — Not connected |
| Pin produk 94 | NC — Not connected |
| Pin produk 95 | NC — Not connected |
| Pin produk 96 | NC — Not connected |
| Pin produk 97 | PAD16 — Port AD bit 16 (analog/digital) |
| Pin produk 98 | PAD17 — Port AD bit 17 (analog/digital) |
| Pin produk 99 | PAD18 — Port AD bit 18 (analog/digital) |
| Pin produk 100 | PAD19 — Port AD bit 19 (analog/digital) |
| Pin produk 101 | PAD20 — Port AD bit 20 (analog/digital) |
| Pin produk 102 | PAD21 — Port AD bit 21 (analog/digital) |
| Pin produk 103 | PAD22 — Port AD bit 22 (analog/digital) |
| Pin produk 104 | PAD23 — Port AD bit 23 (analog/digital) |
| Pin produk 105 | PAD24 — Port AD bit 24 (analog/digital) |
| Pin produk 106 | PAD25 — Port AD bit 25 (analog/digital) |
| Pin produk 107 | PAD26 — Port AD bit 26 (analog/digital) |
| Pin produk 108 | PAD27 — Port AD bit 27 (analog/digital) |
| Pin produk 109 | VDDX5 — External supply voltage 5 |
| Pin produk 110 | VSSX5 — External ground reference 5 |
| Pin produk 111 | PAD28 — Port AD bit 28 (analog/digital) |
| Pin produk 112 | PAD29 — Port AD bit 29 (analog/digital) |
Aplikasi Umum
S912XEQ512J2MAL cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XEQ512J2MAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Same Flash density and same package as J3 silicon revision (vsS912XEQ512J3MAL)
- Smaller flash variant in same LQFP-112 footprint (vsS912XEG384J2VAL)
- Original mask set baseline (vsMC9S12XEQ384CAG)
Catatan Desain
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.
Informasi Konformitas
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.
