S912XEG128J2MAL - 16-bit S12X MCU 128KB Flash 50MHz | NXP
MPN: S912XEG128J2MAL ✓ AktifS912XEG128J2MAL Ringkasan
An HCS12X microcontroller is a 16-bit automotive MCU built on Freescale/NXP's enhanced S12 architecture with the XGATE peripheral co-processor that offloads interrupt-driven tasks from the main CPU. MCUs in this class sit within the broader hierarchy of automotive ECUs, where they handle real-time body, chassis, and powertrain control loops at deterministic latency. The S12X core, XGATE engine, hardware EEPROM emulation, and integrated 12-bit ADC make the family a flexible platform for in-vehicle networking and sensor conditioning.
Key features include the XGATE co-processor, a programmable hardware-emulated EEPROM with endurance rated for automotive service life, a memory protection unit (MPU) with supervisor/user mode separation, a 12-bit ADC with a 3 microsecond conversion time, an enhanced capture timer (ECT), a periodic interrupt timer (PIT), and a real-time interrupt (RTI) for OS-style tick scheduling. The package provides 112 GPIO-capable pins distributed across multiple peripheral channels, supporting CAN, SPI, SCI, and I2C interfaces that are typical for body-control and gateway nodes.
Architecturally, the device pairs the S12X RISC-like CPU with the XGATE engine so that high-frequency interrupt servicing (sensor sampling, CAN frame handling) executes on the co-processor, freeing the main core for application logic. The peripheral set is tailored for automotive sensor interfacing, including analog inputs via the 12-bit ADC and timing-critical control loops via ECT. Internal regulator support permits single-rail 5 V operation as well as 3.3 V and 1.8 V platforms commonly used in modern body ECUs.
Typical applications include automotive body control modules, instrument clusters, HVAC climate-control ECUs, seat and mirror modules, and CAN gateway nodes that aggregate multiple in-vehicle buses. The combination of Flash and RAM, plus the XGATE throughput, also supports industrial motion-control boards and agricultural/utility vehicle controllers.
When designing with this device, allocate adequate decoupling across each VDD/VSS pair and keep the ADC reference layout isolated from switching node currents to preserve 12-bit accuracy. Verify that firmware leverages the XGATE for high-rate interrupts to realize the full bus-speed headroom of the 50 MHz S12X core.
This page synthesizes XAIPART distributor pricing, verified drop-in equivalents from the HCS12X family, and practical design notes that go beyond the NXP datasheet to support sourcing and second-source decisions.
Alternatif penggantian untuk S912XEG128J2MAL — 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 S912XEG128J2MAL (sama faktor bentuk dan footprint) — berbeda di dalam Package, Supply Voltage, Mounting Type, RoHS Status, ADC.
S912XEG128J2CALR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG128J2VAL
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XET256J1CALR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XES384J2CAL
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →S912XEG384J2CAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG128J2MAL Rating Maksimal & Karakteristik Listrik
| Core Architecture | HCS12X (S12X core) |
| Lebar Bus Data | 16-bit |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 16 KB |
| Frekuensi Bawah Maximum | 50 MHz |
| Tegangan Pemuat Kerja | 1.8 V / 2.8 V / 5 V |
| ADC Resolution | 12-bit |
| ADC Conversion Time | 3 us |
| Co-Processor | XGATE peripheral co-processor |
| Paket | 112-pin LQFP (20 x 20 mm) |
| Tipe Mounting | Surface Mount |
| Rentang Suhu Kerja | -40 C to +125 C (Automotive) |
| AEC-Q100 Qualification | Qualified |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Timers | ECT, PIT, RTI |
| Status RoHS | Compliant |
Konfigurasi Pin S912XEG128J2MAL
| Pin produk 1 | PP0 — Port P bit 0 / PWM / timer channel |
| Pin produk 2 | PP1 — Port P bit 1 / PWM / timer channel |
| Pin produk 3 | PP2 — Port P bit 2 / PWM / timer channel |
| Pin produk 4 | PP3 — Port P bit 3 / PWM / timer channel |
| Pin produk 5 | PP4 — Port P bit 4 / PWM / timer channel |
| Pin produk 6 | PP5 — Port P bit 5 / PWM / timer channel |
| Pin produk 7 | PP6 — Port P bit 6 / PWM / timer channel |
| Pin produk 8 | PP7 — Port P bit 7 / PWM / timer channel |
| Pin produk 9 | VDDR — Voltage regulator supply |
| Pin produk 10 | VDD — Digital supply voltage |
| Pin produk 11 | VSS — Digital ground |
| Pin produk 12 | VDDX — I/O supply voltage |
| Pin produk 13 | VSSX — I/O ground |
| Pin produk 14 | RESET — External reset input (active low) |
| Pin produk 15 | TEST — Test mode pin (must be held high for normal operation) |
| Pin produk 16 | BKGD — Background Debug Mode pin for in-circuit programming |
| Pin produk 17 | XTAL — Crystal oscillator input |
| Pin produk 18 | EXTAL — Crystal oscillator output / external clock input |
| Pin produk 19 | VSS — Digital ground |
| Pin produk 20 | VDD — Digital supply voltage |
| Pin produk 21 | PAD0 — Port AD bit 0 / analog input AN0 |
| Pin produk 22 | PAD1 — Port AD bit 1 / analog input AN1 |
| Pin produk 23 | PAD2 — Port AD bit 2 / analog input AN2 |
| Pin produk 24 | PAD3 — Port AD bit 3 / analog input AN3 |
| Pin produk 25 | PAD4 — Port AD bit 4 / analog input AN4 |
| Pin produk 26 | PAD5 — Port AD bit 5 / analog input AN5 |
| Pin produk 27 | PAD6 — Port AD bit 6 / analog input AN6 |
| Pin produk 28 | PAD7 — Port AD bit 7 / analog input AN7 |
| Pin produk 29 | PAD8 — Port AD bit 8 / analog input AN8 |
| Pin produk 30 | PAD9 — Port AD bit 9 / analog input AN9 |
| Pin produk 31 | PAD10 — Port AD bit 10 / analog input AN10 |
| Pin produk 32 | PAD11 — Port AD bit 11 / analog input AN11 |
| Pin produk 33 | PAD12 — Port AD bit 12 / analog input AN12 |
| Pin produk 34 | PAD13 — Port AD bit 13 / analog input AN13 |
| Pin produk 35 | PAD14 — Port AD bit 14 / analog input AN14 |
| Pin produk 36 | PAD15 — Port AD bit 15 / analog input AN15 |
| Pin produk 37 | VDDA — Analog supply voltage |
| Pin produk 38 | VSSA — Analog ground |
| Pin produk 39 | VRH — ADC high reference voltage |
| Pin produk 40 | VRL — ADC low reference voltage |
| Pin produk 41 | P0 — Port 0 bit 0 (digital I/O / CAN / SPI) |
| Pin produk 42 | P1 — Port 0 bit 1 (digital I/O / CAN / SPI) |
| Pin produk 43 | P2 — Port 0 bit 2 (digital I/O / CAN / SPI) |
| Pin produk 44 | P3 — Port 0 bit 3 (digital I/O / CAN / SPI) |
| Pin produk 45 | P4 — Port 0 bit 4 (digital I/O) |
| Pin produk 46 | P5 — Port 0 bit 5 (digital I/O) |
| Pin produk 47 | P6 — Port 0 bit 6 (digital I/O) |
| Pin produk 48 | P7 — Port 0 bit 7 (digital I/O) |
| Pin produk 49 | P10 — Port 1 bit 0 (digital I/O / SCI / SPI) |
| Pin produk 50 | P11 — Port 1 bit 1 (digital I/O / SCI / SPI) |
| Pin produk 51 | P12 — Port 1 bit 2 (digital I/O / SCI / SPI) |
| Pin produk 52 | P13 — Port 1 bit 3 (digital I/O / SCI / SPI) |
| Pin produk 53 | P14 — Port 1 bit 4 (digital I/O) |
| Pin produk 54 | P15 — Port 1 bit 5 (digital I/O) |
| Pin produk 55 | P16 — Port 1 bit 6 (digital I/O) |
| Pin produk 56 | P17 — Port 1 bit 7 (digital I/O) |
| Pin produk 57 | VDD — Digital supply voltage |
| Pin produk 58 | VSS — Digital ground |
| Pin produk 59 | P20 — Port 2 bit 0 (digital I/O / CAN / SPI) |
| Pin produk 60 | P21 — Port 2 bit 1 (digital I/O / CAN / SPI) |
| Pin produk 61 | P22 — Port 2 bit 2 (digital I/O / CAN / SPI) |
| Pin produk 62 | P23 — Port 2 bit 3 (digital I/O / CAN / SPI) |
| Pin produk 63 | P24 — Port 2 bit 4 (digital I/O) |
| Pin produk 64 | P25 — Port 2 bit 5 (digital I/O) |
| Pin produk 65 | P26 — Port 2 bit 6 (digital I/O) |
| Pin produk 66 | P27 — Port 2 bit 7 (digital I/O) |
| Pin produk 67 | P30 — Port 3 bit 0 (digital I/O / timer) |
| Pin produk 68 | P31 — Port 3 bit 1 (digital I/O / timer) |
| Pin produk 69 | P32 — Port 3 bit 2 (digital I/O / timer) |
| Pin produk 70 | P33 — Port 3 bit 3 (digital I/O / timer) |
| Pin produk 71 | P34 — Port 3 bit 4 (digital I/O / timer) |
| Pin produk 72 | P35 — Port 3 bit 5 (digital I/O / timer) |
| Pin produk 73 | P36 — Port 3 bit 6 (digital I/O / timer) |
| Pin produk 74 | P37 — Port 3 bit 7 (digital I/O / timer) |
| Pin produk 75 | P40 — Port 4 bit 0 (digital I/O) |
| Pin produk 76 | P41 — Port 4 bit 1 (digital I/O) |
| Pin produk 77 | P42 — Port 4 bit 2 (digital I/O) |
| Pin produk 78 | P43 — Port 4 bit 3 (digital I/O) |
| Pin produk 79 | P44 — Port 4 bit 4 (digital I/O) |
| Pin produk 80 | P45 — Port 4 bit 5 (digital I/O) |
| Pin produk 81 | P46 — Port 4 bit 6 (digital I/O) |
| Pin produk 82 | P47 — Port 4 bit 7 (digital I/O) |
| Pin produk 83 | P50 — Port 5 bit 0 (digital I/O / SPI) |
| Pin produk 84 | P51 — Port 5 bit 1 (digital I/O / SPI) |
| Pin produk 85 | P52 — Port 5 bit 2 (digital I/O / SPI) |
| Pin produk 86 | P53 — Port 5 bit 3 (digital I/O / SPI) |
| Pin produk 87 | P54 — Port 5 bit 4 (digital I/O) |
| Pin produk 88 | P55 — Port 5 bit 5 (digital I/O) |
| Pin produk 89 | P56 — Port 5 bit 6 (digital I/O) |
| Pin produk 90 | P57 — Port 5 bit 7 (digital I/O) |
| Pin produk 91 | P60 — Port 6 bit 0 (digital I/O / SCI / I2C) |
| Pin produk 92 | P61 — Port 6 bit 1 (digital I/O / SCI / I2C) |
| Pin produk 93 | P62 — Port 6 bit 2 (digital I/O / SCI / I2C) |
| Pin produk 94 | P63 — Port 6 bit 3 (digital I/O / SCI / I2C) |
| Pin produk 95 | P64 — Port 6 bit 4 (digital I/O) |
| Pin produk 96 | P65 — Port 6 bit 5 (digital I/O) |
| Pin produk 97 | P66 — Port 6 bit 6 (digital I/O) |
| Pin produk 98 | P67 — Port 6 bit 7 (digital I/O) |
| Pin produk 99 | P70 — Port 7 bit 0 (digital I/O) |
| Pin produk 100 | P71 — Port 7 bit 1 (digital I/O) |
| Pin produk 101 | P72 — Port 7 bit 2 (digital I/O) |
| Pin produk 102 | P73 — Port 7 bit 3 (digital I/O) |
| Pin produk 103 | P74 — Port 7 bit 4 (digital I/O) |
| Pin produk 104 | P75 — Port 7 bit 5 (digital I/O) |
| Pin produk 105 | P76 — Port 7 bit 6 (digital I/O) |
| Pin produk 106 | P77 — Port 7 bit 7 (digital I/O) |
| Pin produk 107 | VDDX — I/O supply voltage |
| Pin produk 108 | VSSX — I/O ground |
| Pin produk 109 | PJ0 — Port J bit 0 (digital I/O) |
| Pin produk 110 | PJ1 — Port J bit 1 (digital I/O) |
| Pin produk 111 | PJ6 — Port J bit 6 (digital I/O) |
| Pin produk 112 | PJ7 — Port J bit 7 (digital I/O) |
Aplikasi Umum
S912XEG128J2MAL cocok untuk 6 aplikasis: Automotive Body Control Module, Automotive Instrument Cluster, HVAC Climate Control ECU, Seat and Mirror Module, CAN Gateway / Central Node, Industrial / Off-Highway Vehicle Controller.
Automotive Body Control Module
Why S912XEG128J2MAL fits body control: The 50 MHz S12X CPU with XGATE co-processor handles the deterministic interrupt traffic generated by CAN bus wake-ups, switch debouncing, and PWM-driven lighting loads. 128 KB Flash is enough to host a CANopen/OSEK AUTOSAR lite stack plus body-control application code for door, seat, and mirror actuators. The 112-pin LQFP exposes 8+ timer channels and an ECT that drives PWMs for dimmable interior lighting. Compared with smaller S12 derivatives, the 16 KB RAM lets the firmware keep full CAN frame queues without off-chip SRAM. AEC-Q100 qualification plus the -40 C to +125 C range suits under-dash and door-module thermal envelopes.
Direkomendasikan
Automotive Instrument Cluster
Why S912XEG128J2MAL fits cluster: The 12-bit ADC with 3 us conversion time captures fuel/temperature sensor inputs accurately enough for needle and gauge rendering, while the XGATE co-processor offloads high-rate display refresh from the main CPU. 16 KB RAM supports a framebuffer and stepper-motor command queue. The memory protection unit (MPU) with supervisor/user modes enables OSEK-style separation between display driver and safety-critical odometer code. AEC-Q100 qualification tolerates cluster-temperature stress testing under direct sunlight at +125 C ambient. Pin-compatible migration paths to S912XET256 or S912XES384 cover higher-resolution TFT clusters.
Direkomendasikan
HVAC Climate Control ECU
Why S912XEG128J2MAL fits HVAC control: Climate ECUs blend temperature sensor inputs (sampled by the 12-bit ADC at 3 us), blower PWM outputs (driven by the ECT module), and CAN commands from the body controller. The 50 MHz S12X core closes the closed-loop control cycle within millisecond budgets while XGATE services CAN interrupts without jitter. 128 KB Flash hosts the HVAC application plus a small bootloader for OEM factory programming. AEC-Q100 qualification and the 1.8/2.8/5 V supply range match the dual-voltage regulators common in HVAC blower and PTC heater designs.
Direkomendasikan
Seat and Mirror Module
Why S912XEG128J2MAL fits seat/mirror modules: The S912XEG128J2MAL's ECT timer module drives the multi-axis seat motors with hardware PWM while the XGATE handles LIN or CAN-bus traffic from the body controller. 128 KB Flash comfortably stores the position-memory tables for several seat configurations plus diagnostic firmware for OEM end-of-line testing. AEC-Q100 qualification and the -40 C to +125 C range suit door-mounted modules exposed to ambient extremes. The same LQFP-112 footprint is shared with higher-density S12X derivatives, allowing scaling without PCB rework.
Direkomendasikan
CAN Gateway / Central Node
Why S912XEG128J2MAL fits a CAN gateway: Central gateway ECUs aggregate multiple CAN busses at high frame rates, exactly the workload that XGATE was designed to offload. The S12X CPU runs routing and diagnostics while the XGATE service routine handles bus arbitration and acceptance filtering. 16 KB RAM and 128 KB Flash are sufficient for a table-driven gateway with partial network management. The 12-bit ADC provides auxiliary voltage monitoring for bus-failure diagnostics. AEC-Q100 qualification supports OEM central-gateway sourcing requirements.
Direkomendasikan
Industrial / Off-Highway Vehicle Controller
Why S912XEG128J2MAL fits off-highway controllers: Agricultural and construction machine OEMs often reuse automotive-qualified MCUs for durability; the S12X core combined with hardware-emulated EEPROM supports long-life calibration storage. The 112-pin LQFP exposes abundant PWM and ADC channels for proportional valve and joystick-sensor interfaces, and AEC-Q100 qualification ensures thermal resilience. With 50 MHz bus speed and XGATE assistance, deterministic control loops for hydraulic actuators are achievable at well under 1 ms latency. The same NXP footprint also supports drop-ins to higher-density S12X variants.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XEG128J2MAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | S912XEG128J2CAL | S912XEG128J2VAL | S912XET256J1CALR | S912XES384J2CAL |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 (20x20 mm) | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Flash Memory | 128 KB | 128 KB (same) | 128 KB (same) | 256 KB (+100%) | 384 KB (+200%) |
| CPU Core | S12X 50 MHz with XGATE | S12X 50 MHz with XGATE (same) | S12X 50 MHz with XGATE (same) | S12X 50 MHz with XGATE (same) | S12X 50 MHz with XGATE (same) |
| Operating Temperature | -40 C to +125 C (Automotive) | -40 C to +85 C (lower grade) | -40 C to +125 C (Automotive) | -40 C to +125 C (Automotive) | -40 C to +125 C (Automotive) |
| AEC-Q100 Qualification | Qualified | Not qualified (extended commercial) | Qualified | Qualified | Qualified |
| ADC Channels / Resolution | 16 ch / 12-bit @ 3 us | 16 ch / 12-bit @ 3 us (same) | 16 ch / 12-bit @ 3 us (same) | 16 ch / 12-bit @ 3 us (same) | 16 ch / 12-bit @ 3 us (same) |
| Supply Voltage | 1.8 V / 2.8 V / 5 V | 1.8 V / 2.8 V / 5 V (same) | 1.8 V / 2.8 V / 5 V (same) | 1.8 V / 2.8 V / 5 V (same) | 1.8 V / 2.8 V / 5 V (same) |
Diferensiator Kunci
- Better Flash headroom with same LQFP-112 footprint (vsS912XET256J1CALR)
- Pin-compatible same-family upgrade with even more memory (vsS912XES384J2CAL)
- Lower temperature grade for cost-down (vsS912XEG128J2CAL)
Catatan Desain
Decouple each VDD/VSS pair with a 100 nF ceramic plus a 4.7 uF bulk capacitor placed within 5 mm of the package; the ADC references VRH/VRL need their own 100 nF plus a 1 uF bypass to maintain 12-bit accuracy at the 3 us conversion rate. Use a ferrite bead or ferrite-cap pi-filter on VDDA to isolate analog supply noise from the digital core. The internal regulator (VDDR) requires a bulk reservoir of at least 4.7 uF; never connect VDDR directly to a low-impedance rail without the recommended LC network shown in NXP's S12XEG128 reference manual.
Route the analog inputs PADxx away from the high-speed digital buses (CAN, SPI, ECT PWM outputs) to preserve ADC noise floor; keep the analog ground return path isolated to a single tie-point to the VSSA pin. The LQFP-112 thermal pad is not internally bonded - place 1 oz copper pours on the top and bottom layers under the device to spread heat, with via stitching on a 5 mm grid. Forced-air cooling is recommended when the MCU drives multiple high-current PWM channels simultaneously at 50 MHz because the device dissipation can reach 0.6-0.8 W in worst-case body-control workloads.
Always tie the TEST pin high (logic 1) at the MCU for normal operation; floating it during power-up can unintentionally invoke boundary-scan or factory-test mode. Ensure the BKGD pin is not pulled high during reset - it should have a 4.7 k pull-down so the default debug mode is disabled. When migrating firmware between S912XEG128J2MAL and S912XET256/S912XES384 variants, verify that the memory-mapped register layout is identical because the EG and ES derivatives share the same peripheral IP even though Flash size differs. Do not apply voltages above 5.5 V to any VDD pin or 6.5 V to VRH; the absolute maximum ratings will damage the regulators. A clean ground on the XTAL/EXTAL traces with guard rings is essential for EMC compliance under AEC-Q100 stress tests.
Informasi Konformitas
AEC-Q100 qualification per NXP product listing. RoHS compliance confirmed by NXP product page and authorized distributors. Halogen-free status not explicitly listed in the retrieved data - set to unknown per data authenticity rules.
