S912ZVMC12F1MKH - S12Z MagniV 16-bit MCU, 128KB Flash | NXP
料号： S912ZVMC12F1MKH ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.92 | $89.20 |
| 100 | $7.65 | $765.00 |
| 500 | $6.84 | $3,420.00 |
| 1,000 | $6.2 | $6,200.00 |
S912ZVMC12F1MKH 概述
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.
直接替换替代料： S912ZVMC12F1MKH ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
S912ZVMC25F1MKK
✅ 直接替换📋 参考替代料（不在目录中）
S912ZVMC12F1MKK
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
S912ZVML12F1WK
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
S912ZVMC12F1MKH 最大额定值与电气特性
| 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 |
| 最大时钟频率 | 50 MHz |
| Supply Voltage (Analog) | 12 V nominal |
| 工作温度范围 | -40C to +125C |
| 封装 | 64-pin HLQFP-EP (10x10 mm) |
| ADC | Integrated 12-bit |
| Communications | MSCAN (CAN), LIN/SCI, SPI, I2C |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Qualification | Automotive |
S912ZVMC12F1MKH 引脚配置
| 引脚 1 | VDDA — Analog supply (5V internal regulated) |
| 引脚 2 | VSS1 — Ground |
| 引脚 3 | VDDR — External regulator/ballast drive |
| 引脚 4 | VSUP — Battery / 12V supply input |
| 引脚 5 | BKGD — Background Debug / Mode select |
| 引脚 6 | RESET — External reset, active low |
| 引脚 7 | TEST — Test mode pin |
| 引脚 8 | XOSC2 — Crystal oscillator output |
| 引脚 9 | XOSC1 — Crystal oscillator input |
| 引脚 10 | VSS2 — Ground |
| 引脚 11 | VDDX — External I/O supply decoupling |
| 引脚 12 | PWM0 — PWM channel 0 output / timer |
| 引脚 13 | PWM1 — PWM channel 1 output / timer |
| 引脚 14 | PWM2 — PWM channel 2 output / timer |
| 引脚 15 | PWM3 — PWM channel 3 output / timer |
| 引脚 16 | PWM4 — PWM channel 4 output / timer |
| 引脚 17 | PWM5 — PWM channel 5 output / timer |
| 引脚 18 | PWM6 — PWM channel 6 output / timer |
| 引脚 19 | PWM7 — PWM channel 7 output / timer |
| 引脚 20 | VSS3 — Ground |
| 引脚 21 | PAD0 — Analog input / digital GPIO |
| 引脚 22 | PAD1 — Analog input / digital GPIO |
| 引脚 23 | PAD2 — Analog input / digital GPIO |
| 引脚 24 | PAD3 — Analog input / digital GPIO |
| 引脚 25 | PAD4 — Analog input / digital GPIO |
| 引脚 26 | PAD5 — Analog input / digital GPIO |
| 引脚 27 | PAD6 — Analog input / digital GPIO |
| 引脚 28 | PAD7 — Analog input / digital GPIO |
| 引脚 29 | PAD8 — Analog input / digital GPIO |
| 引脚 30 | PAD9 — Analog input / digital GPIO |
| 引脚 31 | PAD10 — Analog input / digital GPIO |
| 引脚 32 | PAD11 — Analog input / digital GPIO |
| 引脚 33 | PAD12 — Analog input / digital GPIO |
| 引脚 34 | PAD13 — Analog input / digital GPIO |
| 引脚 35 | PAD14 — Analog input / digital GPIO |
| 引脚 36 | PAD15 — Analog input / digital GPIO |
| 引脚 37 | PAD16 — Analog input / digital GPIO |
| 引脚 38 | PAD17 — Analog input / digital GPIO |
| 引脚 39 | PAD18 — Analog input / digital GPIO |
| 引脚 40 | PAD19 — Analog input / digital GPIO |
| 引脚 41 | TX_CAN — CAN transmit output |
| 引脚 42 | RX_CAN — CAN receive input |
| 引脚 43 | TXD_LIN — LIN / SCI transmit |
| 引脚 44 | RXD_LIN — LIN / SCI receive |
| 引脚 45 | MOSI — SPI master out / slave in |
| 引脚 46 | MISO — SPI master in / slave out |
| 引脚 47 | SCK — SPI clock |
| 引脚 48 | SDA — I2C data |
| 引脚 49 | SCL — I2C clock |
| 引脚 50 | GND_A — Analog ground |
| 引脚 51 | VREFH — ADC reference high |
| 引脚 52 | VREFL — ADC reference low |
| 引脚 53 | AN0 — Analog ADC input |
| 引脚 54 | AN1 — Analog ADC input |
| 引脚 55 | AN2 — Analog ADC input |
| 引脚 56 | AN3 — Analog ADC input |
| 引脚 57 | AN4 — Analog ADC input |
| 引脚 58 | AN5 — Analog ADC input |
| 引脚 59 | AN6 — Analog ADC input |
| 引脚 60 | AN7 — Analog ADC input |
| 引脚 61 | IRQ — External interrupt request |
| 引脚 62 | PH0 — Port H bit 0 |
| 引脚 63 | PH1 — Port H bit 1 |
| 引脚 64 | EP — Exposed thermal pad (must be soldered to GND) |
典型应用
S912ZVMC12F1MKH 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： S912ZVMC12F1MKH ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Single-chip 12V-tolerant MCU with integrated analog regulator （对比 S912ZVML12F1WK)
- Doubling Flash headroom without PCB redesign （对比 S912ZVMC25F1MKK)
- AEC-Q100 Grade 0 (125C) verification with on-chip diagnostics （对比 S912ZVL12F0MLFR)
设计说明
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.
合规信息
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.
