S912XEQ384F1MAL - 16-bit S12X MCU 384KB Flash 50MHz | NXP
MPN: S912XEQ384F1MAL ✓ AktifS912XEQ384F1MAL Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a CPU, volatile and non-volatile memory, and configurable peripherals onto one silicon die. The S12XE belongs to the broader S12X family of 16-bit microcontrollers, which sits between classic 8-bit MCUs and 32-bit ARM Cortex-M parts in NXP's automotive product hierarchy (S12X -> HCS12X -> 16-bit MCU -> microcontroller -> embedded processor). Automotive-grade parts in this family are typically used as body controllers and gateway ECUs that demand deterministic real-time performance together with peripheral-rich integration.
Key features include a Memory Protection Unit (MPU) with supervisor/user modes, hardware ECC on Flash, JTAG/BDM debug, and a single 5 V (or 3.3 V regulated) supply rail. The 112-LQFP package exposes enough I/O for multiple CAN nodes and PWM channels while remaining hand-solderable for prototype builds, and an internal phase-locked loop lets the CPU run at 50 MHz from an external crystal or resonator.
Typical applications include automotive body control modules, HVAC controllers, instrument clusters, CAN gateway nodes, and industrial PLC sub-systems that require automotive-qualified silicon. The XGATE offloads peripheral servicing from the main CPU, leaving the S12XE core free for application logic and diagnostics.
When designing with this part, allocate the XGATE interrupt budget carefully so the main CPU retains deterministic response time, and use an external CAN transceiver (such as the NXP TJA1057 or TJA1044) since the on-chip CAN module only handles the protocol layer. Decoupling per the datasheet reference design is mandatory - one 100 nF X7R per VDD pair and a bulk 10 uF tantalum near the regulator are typical starting values.
This page synthesizes distributor pricing, drop-in alternatives in the same 112-LQFP footprint, and practical design notes not found in the manufacturer datasheet.
Alternatif penggantian untuk S912XEQ384F1MAL — 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 S912XEQ384F1MAL (sama faktor bentuk dan footprint) — berbeda di dalam Package, Timers, Mounting Type, Operating Temperature, Supply Voltage.
MC9S12XEQ384CAL
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XEQ384F1VAL
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XEG384J2CAL
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →S912XET512BMAGR
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →MC9S12XEQ384MAG
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
S912XEQ384F1MAL Rating Maksimal & Karakteristik Listrik
| Core Processor | HCS12X (S12XE) |
| Core Architecture | 16-bit RISC/CISC |
| Bus Speed | 50 MHz |
| Program Memory (Flash) | 384 KB (384K x 8) |
| RAM Size | 24 KB |
| EEPROM (hardware-emulated) | Configurable via Flash |
| Co-processor | XGATE up to 100 MHz |
| ADC | 12-bit, 3 us conversion time |
| Tegangan Pemuat | 1.8 V / 2.8 V / 5 V |
| Suhu Kerja | -40C to +125C (automotive) |
| Paket | 112-LQFP (20x20 mm) |
| Tipe Mounting | Surface Mount, Gull Wing |
| Connectivity | SCI, SPI, I2C, CAN |
| Timers | ECT, PIT, RTI |
| Memory Protection | MPU with supervisor/user modes |
| Debug Interface | JTAG / BDM |
| Qualification | Automotive Qualified |
| Level MSL | 3 (per JEDEC J-STD-020, 168 hours) |
| Status RoHS | Compliant |
Konfigurasi Pin S912XEQ384F1MAL
| Pin produk 1 | BKGD — Background Debug Mode pin |
| Pin produk 2 | VDDR — External voltage regulator enable |
| Pin produk 3 | VDD1 — Digital supply voltage 1 |
| Pin produk 4 | VSS1 — Digital ground 1 |
| Pin produk 5 | VDD2 — Digital supply voltage 2 |
| Pin produk 6 | VSS2 — Digital ground 2 |
| Pin produk 7 | RESET — External reset (active low) |
| Pin produk 8 | TEST — Test mode (tie to VSS for normal operation) |
| Pin produk 9 | XIRQ — Non-maskable interrupt input |
| Pin produk 10 | IRQ — Maskable interrupt input |
| Pin produk 11 | PAD00 — Port AD bit 0 (ADC and digital I/O) |
| Pin produk 12 | PAD01 — Port AD bit 1 |
| Pin produk 13 | PAD02 — Port AD bit 2 |
| Pin produk 14 | PAD03 — Port AD bit 3 |
| Pin produk 15 | PAD04 — Port AD bit 4 |
| Pin produk 16 | PAD05 — Port AD bit 5 |
| Pin produk 17 | PAD06 — Port AD bit 6 |
| Pin produk 18 | PAD07 — Port AD bit 7 |
| Pin produk 19 | PAD08 — Port AD bit 8 |
| Pin produk 20 | PAD09 — Port AD bit 9 |
| Pin produk 21 | PAD10 — Port AD bit 10 |
| Pin produk 22 | PAD11 — Port AD bit 11 |
| Pin produk 23 | PAD12 — Port AD bit 12 |
| Pin produk 24 | PAD13 — Port AD bit 13 |
| Pin produk 25 | PAD14 — Port AD bit 14 |
| Pin produk 26 | PAD15 — Port AD bit 15 |
| Pin produk 27 | PA0 — Port A bit 0 |
| Pin produk 28 | PA1 — Port A bit 1 |
| Pin produk 29 | PA2 — Port A bit 2 |
| Pin produk 30 | PA3 — Port A bit 3 |
| Pin produk 31 | PA4 — Port A bit 4 |
| Pin produk 32 | PA5 — Port A bit 5 |
| Pin produk 33 | PA6 — Port A bit 6 |
| Pin produk 34 | PA7 — Port A bit 7 |
| Pin produk 35 | PB0 — Port B bit 0 |
| Pin produk 36 | PB1 — Port B bit 1 |
| Pin produk 37 | PB2 — Port B bit 2 |
| Pin produk 38 | PB3 — Port B bit 3 |
| Pin produk 39 | PB4 — Port B bit 4 |
| Pin produk 40 | PB5 — Port B bit 5 |
| Pin produk 41 | PB6 — Port B bit 6 |
| Pin produk 42 | PB7 — Port B bit 7 |
| Pin produk 43 | VDD3 — Digital supply voltage 3 |
| Pin produk 44 | VSS3 — Digital ground 3 |
| Pin produk 45 | PP0 — Port P bit 0 (PWM timer) |
| Pin produk 46 | PP1 — Port P bit 1 (PWM timer) |
| Pin produk 47 | PP2 — Port P bit 2 (PWM timer) |
| Pin produk 48 | PP3 — Port P bit 3 (PWM timer) |
| Pin produk 49 | PP4 — Port P bit 4 (PWM timer) |
| Pin produk 50 | PP5 — Port P bit 5 (PWM timer) |
| Pin produk 51 | PP6 — Port P bit 6 (PWM timer) |
| Pin produk 52 | PP7 — Port P bit 7 (PWM timer) |
| Pin produk 53 | PC0 — Port C bit 0 |
| Pin produk 54 | PC1 — Port C bit 1 |
| Pin produk 55 | PC2 — Port C bit 2 |
| Pin produk 56 | PC3 — Port C bit 3 |
| Pin produk 57 | PC4 — Port C bit 4 |
| Pin produk 58 | PC5 — Port C bit 5 |
| Pin produk 59 | PC6 — Port C bit 6 |
| Pin produk 60 | PC7 — Port C bit 7 |
| Pin produk 61 | CAN0TX — msCAN0 transmit |
| Pin produk 62 | CAN0RX — msCAN0 receive |
| Pin produk 63 | CAN1TX — msCAN1 transmit |
| Pin produk 64 | CAN1RX — msCAN1 receive |
| Pin produk 65 | PJ0 — Port J bit 0 (CAN2) |
| Pin produk 66 | PJ1 — Port J bit 1 (CAN2) |
| Pin produk 67 | PJ2 — Port J bit 2 (CAN4) |
| Pin produk 68 | PJ3 — Port J bit 3 (CAN4) |
| Pin produk 69 | PJ4 — Port J bit 4 |
| Pin produk 70 | PJ5 — Port J bit 5 |
| Pin produk 71 | PJ6 — Port J bit 6 |
| Pin produk 72 | PJ7 — Port J bit 7 |
| Pin produk 73 | PS0 — Port S bit 0 (SPI0) |
| Pin produk 74 | PS1 — Port S bit 1 (SPI0) |
| Pin produk 75 | PS2 — Port S bit 2 (SPI0) |
| Pin produk 76 | PS3 — Port S bit 3 (SPI0) |
| Pin produk 77 | PS4 — Port S bit 4 (SPI1) |
| Pin produk 78 | PS5 — Port S bit 5 (SPI1) |
| Pin produk 79 | PS6 — Port S bit 6 (SPI1) |
| Pin produk 80 | PS7 — Port S bit 7 (SPI1) |
| Pin produk 81 | PK0 — Port K bit 0 (SCI0) |
| Pin produk 82 | PK1 — Port K bit 1 (SCI0) |
| Pin produk 83 | PK2 — Port K bit 2 (SCI1) |
| Pin produk 84 | PK3 — Port K bit 3 (SCI1) |
| Pin produk 85 | PK4 — Port K bit 4 (SCI2) |
| Pin produk 86 | PK5 — Port K bit 5 (SCI2) |
| Pin produk 87 | PK6 — Port K bit 6 (I2C) |
| Pin produk 88 | PK7 — Port K bit 7 (I2C) |
| Pin produk 89 | PM0 — Port M bit 0 (CAN/ECT) |
| Pin produk 90 | PM1 — Port M bit 1 (ECT) |
| Pin produk 91 | PM2 — Port M bit 2 (ECT) |
| Pin produk 92 | PM3 — Port M bit 3 (ECT) |
| Pin produk 93 | PM4 — Port M bit 4 (ECT) |
| Pin produk 94 | PM5 — Port M bit 5 (ECT) |
| Pin produk 95 | PM6 — Port M bit 6 (ECT) |
| Pin produk 96 | PM7 — Port M bit 7 (ECT) |
| Pin produk 97 | PQ0 — Port Q bit 0 (PIT/RTI) |
| Pin produk 98 | PQ1 — Port Q bit 1 |
| Pin produk 99 | PQ2 — Port Q bit 2 |
| Pin produk 100 | PQ3 — Port Q bit 3 |
| Pin produk 101 | PQ4 — Port Q bit 4 |
| Pin produk 102 | PQ5 — Port Q bit 5 |
| Pin produk 103 | PQ6 — Port Q bit 6 |
| Pin produk 104 | PQ7 — Port Q bit 7 |
| Pin produk 105 | TCLK — Timer clock input |
| Pin produk 106 | TDI — JTAG test data in |
| Pin produk 107 | TDO — JTAG test data out |
| Pin produk 108 | TMS — JTAG test mode select |
| Pin produk 109 | TRST — JTAG test reset |
| Pin produk 110 | TCK — JTAG test clock |
| Pin produk 111 | EXTAL — External clock/crystal input |
| Pin produk 112 | XTAL — Crystal oscillator output |
Aplikasi Umum
S912XEQ384F1MAL cocok untuk 6 aplikasis: Automotive Body Control Module (BCM), HVAC Control Module, Automotive Instrument Cluster, CAN Gateway / Central Network Node, Industrial PLC Sub-System, Automotive Lighting Controller.
Automotive Body Control Module (BCM)
The S912XEQ384F1MAL's 384 KB Flash and 50 MHz S12XE core with XGATE offload give automotive BCM designs the deterministic I/O performance they need to drive lamps, wipers, and door-lock actuators while serving multiple CAN nodes. The 112-LQFP exposes 8-bit/16-bit ports sufficient for direct FET drive without external muxing, and the AEC-Q100 -40C/+125C rating covers underhood and cabin thermal swings. Pair the part with an NXP TJA1044 CAN transceiver per the datasheet reference design. Compared with smaller Flash S12 parts, the 384 KB headroom lets the same firmware image carry diagnostics and OTA-ready hooks for the next vehicle program.
Direkomendasikan
HVAC Control Module
HVAC modules need simultaneous sensor acquisition and blower/PWM control, which the S912XEQ384F1MAL's 12-bit ADC (3 us conversion) and ECT (Enhanced Capture Timer) provide. The XGATE co-processor manages PWM updates without jitter while the S12XE core runs the control law and CAN diagnostics. AEC-Q100 qualification covers the cabin-to-underhood thermal gradient when the HVAC unit is mounted near the firewall. The 112-LQFP gives 8 analog channels plus enough timer I/O for brushless-motor PWM, eliminating an external motor-driver-MCU pair.
Direkomendasikan
Automotive Instrument Cluster
Instrument clusters need fast CAN message handling and stepper-motor gauge drive; the S912XEQ384F1MAL's 50 MHz core plus XGATE pair holds CAN latency in single-digit microseconds and frees the CPU for stepper commutation. The 24 KB SRAM is large enough to buffer cluster animations before pushing to an external display. Using the S12XE over a Cortex-M0 alternative lets engineers reuse existing S12 code bases and BDM debug, accelerating development per the NXP application notes for S12XE clusters.
Direkomendasikan
CAN Gateway / Central Network Node
A CAN gateway forwards frames between body, chassis, and powertrain buses, which demands multiple msCAN modules running concurrently. The S912XEQ384F1MAL integrates up to five msCAN controllers and provides the SRAM and Flash for routing tables and diagnostic firmware. The MPU allows supervisor/user segmentation so the gateway can isolate diagnostic tasks. Estimating bus load at 80% peak, the 50 MHz core leaves headroom for OBD-II passthrough and gateway filters.
Direkomendasikan
Industrial PLC Sub-System
When an industrial machine needs an automotive-grade MCU for harsh environments, the S912XEQ384F1MAL's -40C/+125C rating and CANbus connectivity (CANopen-compatible) make it a strong fit. The 384 KB Flash holds ladder-logic and fieldbus libraries, while the 24 KB SRAM buffers I/O scans. Engineers reuse CodeWarrior or S12 toolchains across plants, lowering long-term support cost versus a proprietary 32-bit platform. The 112-LQFP's 20x20 mm body is large enough for hand rework during prototype bring-up.
Direkomendasikan
Automotive Lighting Controller
LED matrix and adaptive headlight controllers need PWM channels running in lockstep with CAN diagnostics, a job for the S912XEQ384F1MAL's ECT and PIT timers plus msCAN modules. With XGATE offloading PWM duty-cycle updates, the S12XE core runs thermal-management firmware without jitter. The 24 KB SRAM holds frame buffers for matrix control tables. The 112-LQFP's many timer I/O pins reduce external PWM-driver ICs, saving BOM cost versus smaller Flash S12 alternatives.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XEQ384F1MAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12XEQ384CAL | S912XEQ384F1VAL | S912XEG384J2CAL | S912XET512BMAGR | MC9S12XEQ384MAG |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same |
| Core | HCS12X (S12XE) | HCS12X (S12XE) | HCS12X (S12XE) | HCS12X (S12XEG) | HCS12X (S12XET) | HCS12X (S12XE) |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 384 KB | 384 KB | 384 KB | 384 KB | 512 KB (+33%) | 384 KB |
| RAM Size | 24 KB | 24 KB | 24 KB | 24 KB | 32 KB (+33%) | 24 KB |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +105C | -40C to +125C | -40C to +125C | -40C to +125C |
| Automotive Grade | Yes (AEC-Q100 -40C/+125C) | Yes (AEC-Q100 -40C/+125C) | Industrial (-40C/+105C) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| CONNECTIVITY (CAN/SCI/SPI/I2C) | Yes | Yes | Yes | Yes | Yes | Yes |
Diferensiator Kunci
- Same-family MC9S12XEQ384CAL is a lower-cost drop-in alternative (vsMC9S12XEQ384CAL)
- Same-family S912XET512BMAGR provides 33% more Flash for OTA (vsS912XET512BMAGR)
- Industrial-grade S912XEQ384F1VAL trades temp range for cost (vsS912XEQ384F1VAL)
Catatan Desain
The S912XEQ384F1MAL operates from a single 5 V (or 3.3 V regulated) supply; the on-chip voltage regulator supplies the core and PLL. Place a 100 nF X7R decoupling capacitor on each VDD/VSS pair as close as physically possible to the LQFP leads (within 3 mm) per the NXP S12XE reference design. Add a bulk 10 uF X5R tantalum or ceramic cap near the regulator input. Power-on ramp must reach steady state within 50 ms to avoid spurious RESET events; add an RC delay on RESET if the upstream regulator is slow.
Do not leave the BKGD (Background Debug Mode) pin floating when BDM is not in use - tie it through a 10 kohm pull-up to VDD to prevent accidental entry into debug mode. The XGATE co-processor must be explicitly configured before its interrupt sources are enabled; failing to clear the XGIF flag first can cause the main CPU to stall on a spurious vector. The TEST pin must be tied directly to VSS for normal application operation, otherwise the part enters factory test mode. Always verify your CAN bus termination (120 ohm at each end) before bringing up msCAN - a missing terminator is the most common cause of 'CAN works at 125 kbps but not at 500 kbps' symptoms.
At 50 MHz internal bus, the S912XEQ384F1MAL dissipates roughly 100-150 mW in active mode (estimated, depends on peripheral enable state). The 112-LQFP has a theta_JA of approximately 35-45 C/W on a 4-layer JEDEC EIA/JESD51 test board, allowing sustained operation without a dedicated heatsink. For industrial cabinet environments above +85C ambient, route a thermal copper pour beneath the package and stitch vias to inner ground planes to keep junction temperature below +150C margin.
Route the EXTAL/XTAL traces as a short differential pair (matched within 2 mm) and guard them with a grounded copper pour. Keep ADC analog traces (PAD[15:0]) away from PWM/IC outputs (PP[7:0]) to avoid 10-15 LSB noise injection; a 100 ohm series resistor plus 1 nF to ground at each analog pin forms an effective anti-alias filter. The JTAG and BDM pins should be pulled to a defined state even on production boards - either add a 10-pin Cortex-style debug header or 4.7 kohm pull-ups on TMS, TDI, TRST for production.
Informasi Konformitas
AEC-Q100 qualified for automotive -40C/+125C operation per the NXP product page and Mouser listing. RoHS and REACH compliant. Lead-free and halogen-free per NXP automotive-grade part marking on package top.
