S912ZVMC12F1MKH - S12Z MagniV 16-bit MCU, 128KB Flash | NXP
MPN: S912ZVMC12F1MKH ✓ فعالS912ZVMC12F1MKH نمای کلی
As a member of the S12Z MagniV family, this device belongs to the broader category of 16-bit microcontrollers (MCU), a class of embedded processors offering an efficient balance between deterministic performance, code density, and peripheral integration. S12Z cores extend the legacy HC(S)12 instruction set with up to 32-bit wide operations and a dedicated memory management unit, serving as a bridge between classic 8/16-bit designs and 32-bit Cortex-M parts while remaining automotive-qualified by default.
Key features include an integrated 12V-to-5V analog supply regulator eliminating external power management ICs, a built-in CAN (MSCAN) and LIN (SCI) interface for in-vehicle networking, a 12-bit ADC with internal 5V reference, and an enhanced capture timer / PWM module suitable for three-phase motor commutation. The 64-pin HLQFP-EP package adds an exposed thermal pad (theta_JA around 35 C/W) for high-current driver stages.
The architecture pairs the S12Z CPU with crossbar-based peripheral routing and a unified memory map, allowing deterministic interrupt response without external bus arbitration. Hardware emulation and on-chip trace support are available through NXP's BDM and background debug interfaces, while industrial application needs are met via ECC on Flash and SRAM.
Typical applications include 12V automotive fuel pumps, HVAC blowers, BLDC/PMSM motor drives (under 1 kW), DC-DC converter control, and body electronics modules. The integrated 12V regulator allows direct connection to the automotive battery rail.
When laying out this part, provide a generous copper land under the exposed pad and at least four thermal vias to the inner PCB plane to keep junction temperature within rated limits during continuous motor-drive load. Decouple the integrated 5V regulator and the core supply pins separately with 100 nF plus 4.7 µF capacitors as shown in the NXP reference design.
This page consolidates distributor pricing, drop-in NXP S12Z alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers select, source, and integrate the S912ZVMC12F1MKH.
جایگزین‌های drop-in برای S912ZVMC12F1MKH — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
S912ZVMC25F1MKK
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
S912ZVMC12F1MKK
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
S912ZVML12F1WK
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
S912ZVMC12F1MKH حداکثر مقادیر مجاز و مشخصات الکتریکی
| Series | S12Z MagniV |
| Core | S12Z (16-bit) |
| Core Architecture | CISC |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 2 KB |
| EEPROM Size | 1 KB |
| حداکثر فرکانس کلاک | 50 MHz |
| Supply Voltage (Analog) | 12 V nominal |
| محدوده دمای کاری | -40C to +125C |
| بسته‌بندی | 64-pin HLQFP-EP (10x10 mm) |
| ADC | Integrated 12-bit |
| Communications | MSCAN (CAN), LIN/SCI, SPI, I2C |
| نوع نصب | Surface Mount |
| وضعیت RoHS | Compliant |
| Qualification | Automotive |
پیکربندی پین S912ZVMC12F1MKH
| پین 1 | VDDA — Analog supply (5V internal regulated) |
| پین 2 | VSS1 — Ground |
| پین 3 | VDDR — External regulator/ballast drive |
| پین 4 | VSUP — Battery / 12V supply input |
| پین 5 | BKGD — Background Debug / Mode select |
| پین 6 | RESET — External reset, active low |
| پین 7 | TEST — Test mode pin |
| پین 8 | XOSC2 — Crystal oscillator output |
| پین 9 | XOSC1 — Crystal oscillator input |
| پین 10 | VSS2 — Ground |
| پین 11 | VDDX — External I/O supply decoupling |
| پین 12 | PWM0 — PWM channel 0 output / timer |
| پین 13 | PWM1 — PWM channel 1 output / timer |
| پین 14 | PWM2 — PWM channel 2 output / timer |
| پین 15 | PWM3 — PWM channel 3 output / timer |
| پین 16 | PWM4 — PWM channel 4 output / timer |
| پین 17 | PWM5 — PWM channel 5 output / timer |
| پین 18 | PWM6 — PWM channel 6 output / timer |
| پین 19 | PWM7 — PWM channel 7 output / timer |
| پین 20 | VSS3 — Ground |
| پین 21 | PAD0 — Analog input / digital GPIO |
| پین 22 | PAD1 — Analog input / digital GPIO |
| پین 23 | PAD2 — Analog input / digital GPIO |
| پین 24 | PAD3 — Analog input / digital GPIO |
| پین 25 | PAD4 — Analog input / digital GPIO |
| پین 26 | PAD5 — Analog input / digital GPIO |
| پین 27 | PAD6 — Analog input / digital GPIO |
| پین 28 | PAD7 — Analog input / digital GPIO |
| پین 29 | PAD8 — Analog input / digital GPIO |
| پین 30 | PAD9 — Analog input / digital GPIO |
| پین 31 | PAD10 — Analog input / digital GPIO |
| پین 32 | PAD11 — Analog input / digital GPIO |
| پین 33 | PAD12 — Analog input / digital GPIO |
| پین 34 | PAD13 — Analog input / digital GPIO |
| پین 35 | PAD14 — Analog input / digital GPIO |
| پین 36 | PAD15 — Analog input / digital GPIO |
| پین 37 | PAD16 — Analog input / digital GPIO |
| پین 38 | PAD17 — Analog input / digital GPIO |
| پین 39 | PAD18 — Analog input / digital GPIO |
| پین 40 | PAD19 — Analog input / digital GPIO |
| پین 41 | TX_CAN — CAN transmit output |
| پین 42 | RX_CAN — CAN receive input |
| پین 43 | TXD_LIN — LIN / SCI transmit |
| پین 44 | RXD_LIN — LIN / SCI receive |
| پین 45 | MOSI — SPI master out / slave in |
| پین 46 | MISO — SPI master in / slave out |
| پین 47 | SCK — SPI clock |
| پین 48 | SDA — I2C data |
| پین 49 | SCL — I2C clock |
| پین 50 | GND_A — Analog ground |
| پین 51 | VREFH — ADC reference high |
| پین 52 | VREFL — ADC reference low |
| پین 53 | AN0 — Analog ADC input |
| پین 54 | AN1 — Analog ADC input |
| پین 55 | AN2 — Analog ADC input |
| پین 56 | AN3 — Analog ADC input |
| پین 57 | AN4 — Analog ADC input |
| پین 58 | AN5 — Analog ADC input |
| پین 59 | AN6 — Analog ADC input |
| پین 60 | AN7 — Analog ADC input |
| پین 61 | IRQ — External interrupt request |
| پین 62 | PH0 — Port H bit 0 |
| پین 63 | PH1 — Port H bit 1 |
| پین 64 | EP — Exposed thermal pad (must be soldered to GND) |
کاربردهای معمول
S912ZVMC12F1MKH مناسب است برای 6 کاربردs: Automotive Fuel Pump Motor Control, HVAC Blower Motor Drive, 12V-to-Low-Voltage DC-DC Converter, Body Control Module Sub-Nodes, Battery-Connected Industrial 12V Actuators, Electric Power Steering (EPS) Sub-Controller.
Automotive Fuel Pump Motor Control
Drives a 12V brushless DC fuel pump motor by generating six-step or field-oriented commutation PWM through the S12Z enhanced capture timer. The integrated 12V-to-5V regulator allows the MCU to connect directly to the battery rail, while the 50MHz bus clock supports 20kHz PWM with current-loop control at sub-50us period. The 128KB Flash hosts FOC state-machine code and lookup tables without external memory expansion, and the AEC-Q100 -40C to +125C window survives engine-bay heat. A CAN (MSCAN) interface pumps telemetry back to the engine ECU over the vehicle bus.
پیشنهادی
HVAC Blower Motor Drive
Closed-loop BLDC blower control in 12V automotive HVAC systems. The integrated 12-bit ADC samples back-EMF or shunt current while the S12Z CPU runs a PI speed loop at 1ms update, and the LIN interface takes commands from the climate control unit. The MCU's 2KB SRAM holds the current-loop working set and 1KB EEPROM stores learned calibration, both ECC-protected against bit flips. AEC-Q100 grade and the -40C/+125C window suit the plenum enclosure without thermal derating.
پیشنهادی
12V-to-Low-Voltage DC-DC Converter
Primary controller for an isolated or non-isolated 12V buck/boost DC-DC converter used in body electronics or auxiliary power modules. The S12Z executes a digital voltage-mode control loop at 50MHz with 200kHz PWM switching, while the on-chip 12V regulator powers auxiliary analog rails. The 128KB Flash supports soft-start, OVP, OCP, and telemetry stacks for automotive qualification, and CAN reports diagnostics back to the central BCM.
پیشنهادی
Body Control Module Sub-Nodes
Sub-MCU for distributed body control modules, driving mirror-fold, seat-position, or seat-heater loads while talking LIN to the master BCM. The S12Z MagniV's LIN/SCI peripheral and 50MHz clock support LIN 2.x compliance without external translation, and the integrated 12V regulator removes a stage in the power tree. 128KB of Flash plus 1KB EEPROM covers the application plus OEM-specific calibration blocks.
پیشنهادی
Battery-Connected Industrial 12V Actuators
Industrial-grade 12V actuators such as valves, dampers, or small pumps that need deterministic 16-bit control, automotive-grade robustness, and an integrated analog supply. The S12Z's on-chip 12V regulator removes an external LDO, lowering BOM cost for industrial-grade products. The 128KB Flash plus ECC protects firmware in harsh electrical environments while CAN or LIN provides plant-network connectivity.
پیشنهادی
Electric Power Steering (EPS) Sub-Controller
Sub-controller in redundant EPS architectures handling torque-ripple damping or stall detection for the main 32-bit EPS MCU. The S12Z's deterministic interrupt latency and 50MHz clock provide the predictable response time required for safety sub-systems, while the AEC-Q100 grade matches the steering column environment. 128KB of Flash with ECC supports ASIL-B firmware partitioning.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای S912ZVMC12F1MKH — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | S912ZVMC25F1MKK | S912ZVMC12F1MKK | S912ZVML12F1WK |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-pin HLQFP-EP (10x10) | 64-pin HLQFP-EP (10x10) - same | 64-pin HLQFP-EP (10x10) - same | 64-pin HLQFP-EP (10x10) - same |
| Core | S12Z 16-bit | S12Z 16-bit | S12Z 16-bit | S12Z 16-bit (L-variant) |
| Max Clock Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 128 KB | 256 KB | 128 KB | 128 KB |
| SRAM | 2 KB | 4 KB | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| CAN Interface | MSCAN (CAN 2.0A/B) | MSCAN | MSCAN | MSCAN |
تفاوت‌های کلیدی
- Single-chip 12V-tolerant MCU with integrated analog regulator (در مقابلS912ZVML12F1WK)
- Doubling Flash headroom without PCB redesign (در مقابلS912ZVMC25F1MKK)
- AEC-Q100 Grade 0 (125C) verification with on-chip diagnostics (در مقابلS912ZVL12F0MLFR)
یادداشت‌های طراحی
Solder the exposed thermal pad (pin 64) of the HLQFP-64 package to a generous copper land on the top layer and stitch at least four 0.3mm thermal vias to the inner ground plane. Motor control firmware running at 50MHz with continuous PWM toggling produces enough internal heating that adequate thermal relief is mandatory. Without proper vias, junction-to-ambient theta_JA rises dramatically and the part may exceed its 125C AEC-Q100 ceiling.
Place a 4.7uF X7R bulk capacitor as close as possible to the VSUP pin (pin 4), plus a 100nF ceramic decoupling capacitor in parallel. The integrated 12V-to-5V analog regulator has limited transient response to load steps, so reserve headroom with the bulk capacitor. The VDDX and VDDA pins each require their own 100nF + 4.7uF decoupling network to keep ADC references clean.
Route the BDM (Background Debug Mode) signals BKGD and RESET to a 2x5 pin 0.1-inch header for production programming and debug. Use a 4.7k pull-up on BKGD to VDDX and a 4.7k pull-up on RESET. Keep high-speed PWM traces away from sensitive analog ADC inputs to avoid coupling, and place the analog ground island directly under the analog pins separated from digital ground by a single bridge under the EP pad.
Do NOT leave VSUP floating even in bench prototypes: the internal 12V regulator is what generates the core 5V rail, and open-circuit VSUP during code download can trigger unpredictable BDM faults. The XOSC1/XOSC2 crystal load capacitors must be chosen to match the datasheet's crystal specification (typically 8pF to 22pF total), not generic 22pF defaults. Also confirm that the EEPROM write-locking sequence is followed exactly as documented before clearing the EEPROM security bit.
اطلاعات انطباق
AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per NXP product declarations. The part is rated Grade 0 (-40C to +125C) for under-hood environments.
