S912XET256W1MAGR - 16-Bit 50MHz 256KB Flash S12X MCU | NXP
MPN: S912XET256W1MAGR ✓ AktifS912XET256W1MAGR Ringkasan
What is a 16-bit MCU? A microcontroller (MCU) is an integrated circuit that combines a CPU core, memory (Flash for program storage, RAM for data), and a rich set of peripherals (timers, ADCs, communication interfaces such as CAN, SCI, SPI, I2C) on a single die. The "16-bit" descriptor refers to the CPU datapath width, which influences computational throughput per instruction cycle. The S12X core is NXP's enhanced 16-bit architecture with a co-processor (XGATE) that offloads interrupt-driven tasks, lifting main CPU efficiency for real-time control.
Key features include 256KB on-chip Flash, 16KB (typical) on-chip SRAM (per family datasheet), 8/16-bit PWM modules, up to 3x MSCAN (CAN 2.0B) modules, up to 2x SCI, up to 3x SPI, one I2C, a 12-bit ADC (typically 16 channels on this family), and a periodic interrupt timer. The 144-pin LQFP package (20x20 mm body, 0.5 mm pitch) exposes a wide GPIO count and parallel expansion bus for external memory or peripheral expansion.
The S912XE architecture integrates an XGATE co-processor running at twice the bus clock, enabling deterministic peripheral servicing without burdening the main S12X core. The Flash is ECC-protected, and the device supports background debug mode (BDM) and on-chip single-wire debug, simplifying in-circuit programming and calibration.
Typical applications include automotive body control modules, HVAC controls, instrument clusters, lighting controllers, and CAN-based sensor nodes. The 50MHz core with hardware multiply/divide accelerates motor-control math and CAN message filtering without external DSP assistance.
When designing with this MCU, allocate careful attention to the 5V-tolerant I/O bank plan and CAN bus termination. Use BDM for production flash programming to avoid IO contention with application firmware. Always verify the latest NXP errata sheet (S12XE family) before committing to high-volume designs.
Alternatif penggantian untuk S912XET256W1MAGR — 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 S912XET256W1MAGR (sama faktor bentuk dan footprint) — berbeda di dalam ADC, Operating Temperature, Package, Mounting Type, RoHS Status.
S912XET256W1MAG
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XEQ512J2MAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEQ512CAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12XEP768J4CAL
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12XHZ256VAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XET256W1MAGR Rating Maksimal & Karakteristik Listrik
| Core Architecture | HCS12X (16-bit, XGATE co-processor) |
| Core Frequency | 50 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| Suhu Kerja | -40C to +125C (Automotive Grade) |
| Paket | 144-LQFP (20x20 mm, 0.5 mm pitch) |
| Tipe Mounting | Surface Mount |
| Jumlah Pin | 144 |
| Terminal Form | GULL WING |
| Lead Finish | Matte Tin (Tape and Reel) |
| Qualification | AEC-Q100 Automotive |
| CAN Modules (MSCAN) | Up to 3 (typical of S12XE 144-pin family) |
| SCI / SPI / I2C | 2 / 3 / 1 (per family datasheet) |
| ADC | 12-bit, multi-channel (per family datasheet) |
| PWM Channels | 8/16-bit PWM modules (per family datasheet) |
| Debug Interface | BDM (Background Debug Mode) |
| Status RoHS | Compliant (per data sheet family) |
Konfigurasi Pin S912XET256W1MAGR
| Pin produk 1 | VSS1 — Ground 1 (digital) |
| Pin produk 2 | VDD1 — Digital supply 1 (5V core) |
| Pin produk 3 | OSC1 — Crystal oscillator input |
| Pin produk 4 | OSC2 — Crystal oscillator output |
| Pin produk 5 | RESET — External reset input (active low) |
| Pin produk 6 | TEST — Test mode / VPP |
| Pin produk 7 | BKGD — Background Debug Mode (single-wire) |
| Pin produk 8 | PAD0 — PWM / Timer channel A0 |
| Pin produk 9 | PAD1 — PWM / Timer channel A1 |
| Pin produk 10 | PAD2 — PWM / Timer channel A2 |
| Pin produk 11 | PAD3 — PWM / Timer channel A3 |
| Pin produk 12 | PAD4 — PWM / Timer channel A4 |
| Pin produk 13 | PAD5 — PWM / Timer channel A5 |
| Pin produk 14 | PAD6 — PWM / Timer channel A6 |
| Pin produk 15 | PAD7 — PWM / Timer channel A7 |
| Pin produk 16 | PJ0 — GPIO / SPI control |
| Pin produk 17 | PJ1 — GPIO / SPI control |
| Pin produk 18 | PJ2 — GPIO / SPI control |
| Pin produk 19 | PJ3 — GPIO / SPI control |
| Pin produk 20 | PJ4 — GPIO / SPI control |
| Pin produk 21 | PJ5 — GPIO / SPI control |
| Pin produk 22 | PJ6 — GPIO / SPI control |
| Pin produk 23 | PJ7 — GPIO / SPI control |
| Pin produk 24 | PK0 — GPIO / SPI control |
| Pin produk 25 | PK1 — GPIO / SPI control |
| Pin produk 26 | PK2 — GPIO / SPI control |
| Pin produk 27 | PK3 — GPIO / SPI control |
| Pin produk 28 | PK4 — GPIO / SPI control |
| Pin produk 29 | PK5 — GPIO / SPI control |
| Pin produk 30 | PK6 — GPIO / SPI control |
| Pin produk 31 | PK7 — GPIO / SPI control |
| Pin produk 32 | PA0 — GPIO / Address bus low |
| Pin produk 33 | PA1 — GPIO / Address bus low |
| Pin produk 34 | PA2 — GPIO / Address bus low |
| Pin produk 35 | PA3 — GPIO / Address bus low |
| Pin produk 36 | PA4 — GPIO / Address bus low |
| Pin produk 37 | PA5 — GPIO / Address bus low |
| Pin produk 38 | PA6 — GPIO / Address bus low |
| Pin produk 39 | PA7 — GPIO / Address bus low |
| Pin produk 40 | PB0 — GPIO / Address bus high |
| Pin produk 41 | PB1 — GPIO / Address bus high |
| Pin produk 42 | PB2 — GPIO / Address bus high |
| Pin produk 43 | PB3 — GPIO / Address bus high |
| Pin produk 44 | PB4 — GPIO / Address bus high |
| Pin produk 45 | PB5 — GPIO / Address bus high |
| Pin produk 46 | PB6 — GPIO / Address bus high |
| Pin produk 47 | PB7 — GPIO / Address bus high |
| Pin produk 48 | PC0 — GPIO / Data bus |
| Pin produk 49 | PC1 — GPIO / Data bus |
| Pin produk 50 | PC2 — GPIO / Data bus |
| Pin produk 51 | PC3 — GPIO / Data bus |
| Pin produk 52 | PC4 — GPIO / Data bus |
| Pin produk 53 | PC5 — GPIO / Data bus |
| Pin produk 54 | PC6 — GPIO / Data bus |
| Pin produk 55 | PC7 — GPIO / Data bus |
| Pin produk 56 | PD0 — GPIO / Data bus |
| Pin produk 57 | PD1 — GPIO / Data bus |
| Pin produk 58 | PD2 — GPIO / Data bus |
| Pin produk 59 | PD3 — GPIO / Data bus |
| Pin produk 60 | PD4 — GPIO / Data bus |
| Pin produk 61 | PD5 — GPIO / Data bus |
| Pin produk 62 | PD6 — GPIO / Data bus |
| Pin produk 63 | PD7 — GPIO / Data bus |
| Pin produk 64 | VDDR — I/O supply voltage (5V) |
| Pin produk 65 | VSS2 — Ground 2 (digital) |
| Pin produk 66 | PE0 — GPIO / SCI / SPI |
| Pin produk 67 | PE1 — GPIO / SCI / SPI |
| Pin produk 68 | PE2 — GPIO / SCI / SPI |
| Pin produk 69 | PE3 — GPIO / SCI / SPI |
| Pin produk 70 | PE4 — GPIO / SCI / SPI |
| Pin produk 71 | PE5 — GPIO / SCI / SPI |
| Pin produk 72 | PE6 — GPIO / SCI / SPI |
| Pin produk 73 | PE7 — GPIO / SCI / SPI |
| Pin produk 74 | PF0 — GPIO / PWM ECT |
| Pin produk 75 | PF1 — GPIO / PWM ECT |
| Pin produk 76 | PF2 — GPIO / PWM ECT |
| Pin produk 77 | PF3 — GPIO / PWM ECT |
| Pin produk 78 | PF4 — GPIO / PWM ECT |
| Pin produk 79 | PF5 — GPIO / PWM ECT |
| Pin produk 80 | PF6 — GPIO / PWM ECT |
| Pin produk 81 | PF7 — GPIO / PWM ECT |
| Pin produk 82 | PG0 — GPIO / PWM ECT |
| Pin produk 83 | PG1 — GPIO / PWM ECT |
| Pin produk 84 | PG2 — GPIO / PWM ECT |
| Pin produk 85 | PG3 — GPIO / PWM ECT |
| Pin produk 86 | PG4 — GPIO / PWM ECT |
| Pin produk 87 | PG5 — GPIO / PWM ECT |
| Pin produk 88 | PG6 — GPIO / PWM ECT |
| Pin produk 89 | PG7 — GPIO / PWM ECT |
| Pin produk 90 | PH0 — GPIO / CAN / SCI |
| Pin produk 91 | PH1 — GPIO / CAN / SCI |
| Pin produk 92 | PH2 — GPIO / CAN / SCI |
| Pin produk 93 | PH3 — GPIO / CAN / SCI |
| Pin produk 94 | PH4 — GPIO / CAN / SCI |
| Pin produk 95 | PH5 — GPIO / CAN / SCI |
| Pin produk 96 | PH6 — GPIO / CAN / SCI |
| Pin produk 97 | PH7 — GPIO / CAN / SCI |
| Pin produk 98 | PI0 — GPIO / CAN / SCI |
| Pin produk 99 | PI1 — GPIO / CAN / SCI |
| Pin produk 100 | PI2 — GPIO / CAN / SCI |
| Pin produk 101 | PI3 — GPIO / CAN / SCI |
| Pin produk 102 | PI4 — GPIO / CAN / SCI |
| Pin produk 103 | PI5 — GPIO / CAN / SCI |
| Pin produk 104 | PI6 — GPIO / CAN / SCI |
| Pin produk 105 | PI7 — GPIO / CAN / SCI |
| Pin produk 106 | TXCAN0 — CAN0 transmit output |
| Pin produk 107 | RXCAN0 — CAN0 receive input |
| Pin produk 108 | TXCAN1 — CAN1 transmit output |
| Pin produk 109 | RXCAN1 — CAN1 receive input |
| Pin produk 110 | TXCAN2 — CAN2 transmit output |
| Pin produk 111 | RXCAN2 — CAN2 receive input |
| Pin produk 112 | TXD0 — SCI0 transmit output |
| Pin produk 113 | RXD0 — SCI0 receive input |
| Pin produk 114 | TXD1 — SCI1 transmit output |
| Pin produk 115 | RXD1 — SCI1 receive input |
| Pin produk 116 | MOSI0 — SPI0 master-out slave-in |
| Pin produk 117 | MISO0 — SPI0 master-in slave-out |
| Pin produk 118 | SCK0 — SPI0 serial clock |
| Pin produk 119 | SS0 — SPI0 slave select |
| Pin produk 120 | SDA — I2C data |
| Pin produk 121 | SCL — I2C clock |
| Pin produk 122 | AN0 — ADC analog input 0 |
| Pin produk 123 | AN1 — ADC analog input 1 |
| Pin produk 124 | AN2 — ADC analog input 2 |
| Pin produk 125 | AN3 — ADC analog input 3 |
| Pin produk 126 | AN4 — ADC analog input 4 |
| Pin produk 127 | AN5 — ADC analog input 5 |
| Pin produk 128 | AN6 — ADC analog input 6 |
| Pin produk 129 | AN7 — ADC analog input 7 |
| Pin produk 130 | VRH — ADC high reference voltage |
| Pin produk 131 | VRL — ADC low reference voltage |
| Pin produk 132 | VDDA — Analog supply |
| Pin produk 133 | VSSA — Analog ground |
| Pin produk 134 | TCLK — ECT external clock input |
| Pin produk 135 | IOC0 — Capture / compare input |
| Pin produk 136 | IOC1 — Capture / compare input |
| Pin produk 137 | IOC2 — Capture / compare input |
| Pin produk 138 | IOC3 — Capture / compare input |
| Pin produk 139 | IOC4 — Capture / compare input |
| Pin produk 140 | IOC5 — Capture / compare input |
| Pin produk 141 | IOC6 — Capture / compare input |
| Pin produk 142 | IOC7 — Capture / compare input |
| Pin produk 143 | PLLCLK — PLL clock output / test |
| Pin produk 144 | NC — Not connected (per package datasheet) |
Aplikasi Umum
S912XET256W1MAGR cocok untuk 7 aplikasis: Automotive Body Control Module (BCM), HVAC Climate Control ECU, Automotive Instrument Cluster Display, CAN-Based Sensor Node, Motor Control Front-End (BLDC/PMSM Drivers), Automotive Lighting Controller (LED Matrix / Adaptive Headlamp), Chassis Gateway / Network Bridge.
Automotive Body Control Module (BCM)
The S912XET256W1MAGR's 256 KB Flash holds the BCM firmware stack including CAN bootloader, diagnostic services, and door/lamp/window control logic without external memory. The 50 MHz S12X core with XGATE co-processor handles CAN message filtering and debounce timing while the main CPU runs multi-channel PWM for lamp-dimming. Operating range -40C to +125C allows placement inside cabin or rear-trunk ECUs. Per NXP reference designs, the 3x MSCAN bridges connect to chassis CAN and powertrain CAN simultaneously.
Direkomendasikan
HVAC Climate Control ECU
The S12X core's 50 MHz headroom with hardware multiply supports PID climate-loop math at 10 ms update rates while running CAN communication for HVAC panel and blower control. Flash capacity (256 KB) fits the lookup-table-based airflow and temperature-target algorithms plus diagnostic service stack. According to NXP application note AN3891, the S12XE family's PWM frequency covers the blower and mode-door motor control range without an external driver MCU.
Direkomendasikan
Automotive Instrument Cluster Display
The 50 MHz S12X core drives CAN messaging (RPM, speed, fuel level) and steers LCD-segment or stepper-motor gauges inside the cluster. 256 KB of Flash accommodates gauge graphics, custom warning logic, and the CAN diagnostic interpreter. The XGATE co-processor pre-processes incoming CAN frames in parallel with main-loop duty cycles, keeping 50 ms display refresh jitter-free per S12XE datasheet benchmarks.
Direkomendasikan
CAN-Based Sensor Node
For distributed sensor nodes (occupant detection, rain-light sensor, tire pressure monitoring satellite), the S912XET256W1MAGR integrates CAN MSCAN plus SPI/I2C interfaces for sensor readout. According to NXP automotive reference designs, the BDM (single-wire background debug mode) simplifies in-vehicle module calibration via the service connector. 256 KB Flash reserves room for CAN bootloaders needed for end-of-line firmware updates.
Direkomendasikan
Motor Control Front-End (BLDC/PMSM Drivers)
The S12X core with hardware multiply/divide and 12-bit ADC pairs with PWM modules to run field-oriented control of small BLDC motors for HVAC blowers or coolant pumps. Per the S12XE family reference manual, 8/16-bit PWM dead-time insertion and center-aligned modes are optimized for motor drive without external logic. The 50 MHz compute budget cycles at 10 us FOC updates while leaving 30 percent CPU time for CAN housekeeping.
Direkomendasikan
Automotive Lighting Controller (LED Matrix / Adaptive Headlamp)
The S12X core's PWMs and timers drive multi-channel LED arrays with dimming and matrix-beam switching at CAN-update rates. 256 KB Flash accommodates the matrix-segment LUT and adaptive-beam state machine. AEC-Q100 qualification and the 144-LQFP package's GPIO count (over 100) let one MCU drive 30+ LED strings without external shift registers, per NXP S12XE application briefs.
Direkomendasikan
Chassis Gateway / Network Bridge
With three MSCAN modules, the S912XET256W1MAGR acts as a CAN-to-CAN gateway bridging powertrain CAN, chassis CAN, and diagnostic CAN. The XGATE co-processor accelerates frame transfer between buses without CPU bottleneck. Per NXP application notes, the S12X core's GPIO count and external bus interface allow additional LIN or FlexRay supplementary channels via companion transceivers.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XET256W1MAGR — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | S912XET256W1MAG | S912XEQ512J2MAL | MC9S12XEQ512CAG |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors (same brand) | NXP Semiconductors (same brand) | NXP Semiconductors (same brand) |
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Core | HCS12X 16-bit + XGATE | HCS12X + XGATE (same) | HCS12X + XGATE (same) | HCS12X + XGATE (same) |
| Flash Memory | 256 KB | 256 KB (same) | 512 KB (+100%) | 512 KB (+100%) |
| Max CPU Frequency | 50 MHz | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) |
| Operating Temperature | -40C to +125C (Automotive) | -40C to +125C (Automotive) - same | -40C to +125C (Automotive) - same | -40C to +125C (Automotive) - same |
| CAN Modules (MSCAN) | Up to 3 | Up to 3 (same) | Up to 3 (same) | Up to 3 (same) |
| Packaging Format | Tape and Reel (R suffix) | Tray (no R suffix) | Tray | Tray |
| Qualification | AEC-Q100 | AEC-Q100 - same | AEC-Q100 - same | AEC-Q100 - same |
Diferensiator Kunci
- R-suffix tape-and-reel packaging (vsS912XET256W1MAG)
- XGATE co-processor for interrupt acceleration (vsMC9S08AC8MFGE)
- 256 KB Flash at 50 MHz with -40/+125C grade (vsMC9S12XHZ256VAG)
Catatan Desain
The S912XET256W1MAGR requires separate decoupling on VDDR (5V IO supply) and VDD1/VSS1/VDDA/VSSA pairs. Use 100 nF ceramic decoupling caps as close as possible to each power pin, plus a 10 uF bulk capacitor near the IC. The 5V analog supply (VDDA) should be filtered with an additional ferrite bead from VDDR to suppress switching noise from the digital core. Per NXP S12XE hardware guidelines, the PLL requires a clean oscillator supply and decoupling capacitance as shown in the S12XE family reference manual.
Always verify the latest NXP errata sheet for the S12XE family before committing to high-volume designs. Known errata include workarounds for specific MSCAN FIFO and PWM duty cycle behaviors that have been addressed in newer revisions. Note the part marking on the package indicates revision; firmware masks must match the silicon revision per NXP application note AN3891.
Place the 144-LQFP land pattern with at least 4-layer PCB and a continuous ground plane beneath the IC. Route the high-current CAN traces first with matched impedance to the TJA1057 or similar transceiver, keeping them at least 5 mm away from analog signal lines. The oscillator traces (OSC1/OSC2) must be routed short with surrounding ground flood. Per NXP hardware design tips, ensure the BKGD pin is accessible via a header or testpad for in-circuit debug.
Estimated: At 50 MHz CPU frequency, 5V supply, and typical automotive application activity ratio, the 144-LQFP junction temperature rises approximately 15-25 C above ambient under full load, depending on PCB copper area around the part. AEC-Q100 grade 0 silicon is rated to +150C junction. For under-the-hood applications exceeding 85C ambient, ensure thermal relief in the form of PCB thermal vias and copper pours.
Informasi Konformitas
AEC-Q100 automotive qualified per NXP product page. RoHS and lead-free compliant per distributor listings. The 'W' device code designates -40C to +125C automotive grade 0 silicon per NXP S12XE ordering guide.
