S912XD64F2VAA - 80MHz S12X MCU, 64KB Flash | NXP | Automotive
料号： S912XD64F2VAA ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.9667 | $11.97 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
S912XD64F2VAA 概述
A microcontroller is an integrated semiconductor device that executes firmware, reads sensor inputs, controls actuators, and coordinates communication between electronic subsystems. The HCS12X architecture remains upward-compatible with the HCS12 instruction set while adding enhanced indexed addressing, an enhanced instruction set, interrupt stacking, and a programmer's model compatible with HCS12. Within the system hierarchy, this MCU combines real-time control, data processing, and serial communications in one device.
The principal verified features are an 80 MHz maximum clock, 64 KB x 8 flash memory, 59 I/O pins, and an 80-pin QFP package. The listed connectivity includes CANbus, I²C, SCI, and SPI, while the peripheral set includes pulse-width modulation, a watchdog timer, low-voltage detection, and power-on reset. These resources reduce the need for external interface devices in body, vehicle, and industrial-control designs.
Its 16-bit HCS12X core is designed for embedded control rather than host-class computing. The 64 KB flash budget provides room for application firmware, while 1 KB of EEPROM supports nonvolatile data storage. The MCU's mix of serial interfaces supports sensor networking, actuator control, diagnostics, and communication with external transceivers or modules.
Typical uses include automotive body and chassis control, engine-adjacent control systems, industrial automation equipment, CAN-connected controllers, data-acquisition systems, and embedded motor-control platforms. The -40°C to +105°C range is especially relevant where components must operate across extended automotive thermal conditions.
Designers should verify clock, memory, peripheral, reset, and pin assignments against the manufacturer datasheet before schematic capture. QFP-80 assembly also requires adequate PCB routing space, pin-1 identification, solderability planning, and thermal-conduction design. Because NXP identifies the part as end of life, long-term availability and legacy-system continuity should be confirmed before new production commitments.
This page consolidates the verified manufacturer and distributor findings, distinguishes lifecycle risk from electrical suitability, and provides engineering-oriented selection guidance. It does not infer missing electrical limits or claim an unverified drop-in replacement where the available cross-reference evidence does not establish pin compatibility.
S912XD64F2VAA 最大额定值与电气特性
| Product Type | 16-bit microcontroller |
| Core | HCS12X |
| 最大时钟频率 | 80 MHz |
| Program Memory Size | 64 KB (64K x 8) |
| Program Memory Type | Flash |
| EEPROM Size | 1 KB (1K x 8) |
| Number of I/O Pins | 59 pins |
| Connectivity | CANbus, I²C, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +105°C |
| Automotive Qualification | Automotive Qualified |
| 封装 | 80-pin QFP |
| Terminal Form | Gull-wing |
| Package Shape | Square |
| CPU Architecture | HCS12 with HCS12X enhancements |
| Instruction Compatibility | Upward compatible with HCS12 instruction set |
S912XD64F2VAA square 引脚配置指南
S912XD64F2VAA（square 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： S912XD64F2VAA.
请参阅 数据手册 以查看完整引脚配置。
典型应用
S912XD64F2VAA 适用于 7 应用s: Automotive Body Control, CAN Networked Vehicle Modules, Industrial Motor and PWM Control, Automotive Engine-Adjacent Control, Sensor Acquisition and Data Logging, Diagnostics and Service Equipment, Embedded Automotive Communication Gateway.
Automotive Body Control
The S912XD64F2VAA fits legacy body-control platforms that need coordinated I/O, CANbus communication, PWM outputs, watchdog supervision, and extended-temperature operation. Its 80 MHz HCS12X core provides real-time control bandwidth, while 64 KB of flash provides a defined firmware budget for door, lighting, latch, or convenience-system logic. The -40°C to +105°C range and automotive-qualified status support harsh vehicle environments. Firmware, diagnostics, watchdog behavior, and shutdown sequencing must still be validated against the complete vehicle requirements.
推荐
CAN Networked Vehicle Modules
For a CAN-connected control module, S912XD64F2VAA provides an 80 MHz 16-bit core, integrated CANbus capability, PWM, and watchdog supervision within one 80-pin QFP device. The 59 I/O pins can connect discrete inputs, outputs, and protection devices, reducing external logic compared with a minimal 8-bit design. Because no CAN transceiver is specified as integrated, the board still needs suitable bus protection and physical-layer components. Bit timing, termination, fault behavior, and diagnostic strategy require design-level validation.
推荐
Industrial Motor and PWM Control
The S912XD64F2VAA is applicable to industrial controllers requiring deterministic embedded execution, multiple I/O, PWM generation, and serial connectivity. Its 80 MHz HCS12X core can supervise actuator commands and process feedback while CANbus, SCI, SPI, and I²C support plant-network integration. The -40°C to +105°C rating can extend useful in cabinet or machine environments, but enclosure temperature and thermal rise must be considered. PWM resolution, timer channels, current feedback, and safe-state shutdown must be checked in the official documentation.
推荐
Automotive Engine-Adjacent Control
S912XD64F2VAA can serve legacy engine-adjacent control and monitoring functions where extended temperature, CAN communications, watchdog protection, and fast embedded execution are important. The 16-bit core handles sensor filtering and actuator sequencing, while 59 I/O pins support discrete interfaces around the controller. PWM channels can drive valves, heaters, or indicators where the verified peripheral set is sufficient. Placement near an engine still requires environmental, vibration, transient, and thermal design compliance beyond the device's -40°C to +105°C rating.
推荐
Sensor Acquisition and Data Logging
For data acquisition, S912XD64F2VAA combines 59 I/O pins with SPI, I²C, SCI, and CANbus interfaces for connecting sensors, memory, communications equipment, and a host subsystem. Its 64 KB flash supports embedded acquisition firmware, while the 1 KB EEPROM can retain small calibration or configuration values. Timer and interrupt resources should be matched to sampling needs. Because analog signal conditioning and ADC specifications were not included in the verified data, external converters may be necessary and must be researched separately.
推荐
Diagnostics and Service Equipment
The S912XD64F2VAA is suitable for embedded diagnostic controllers that aggregate switch inputs, drive indicator outputs, communicate over CAN or SCI, and maintain system state through watchdog and brownout-related functions. Its 80 MHz core provides headroom for protocol processing and background diagnostics, while flash provides room for diagnostic tables and routines. A production design should confirm the exact low-voltage detector thresholds, reset sources, watchdog timing, and communications channels in the manufacturer datasheet. End-of-life supply risk must be included in service-equipment lifecycle planning.
推荐
Embedded Automotive Communication Gateway
S912XD64F2VAA can act as an embedded gateway between CANbus and SCI, SPI, or I²C-connected subsystems when firmware needs deterministic scheduling and substantial I/O. The 80 MHz HCS12X core supports protocol translation, while PWM and watchdog resources support ancillary control functions. Its 59 I/O pins can expose status and configuration signals without a companion programmable-logic device. A gateway design still needs validated bus drivers, protection networks, watchdog-safe task partitioning, and fault-containment behavior for each network segment.
推荐
推荐产品汇总
工程参考数据： S912XD64F2VAA ——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 |
|---|---|
| Brand | NXP Semiconductors |
| Package | 80-pin QFP |
| CPU Core | HCS12X, 16-bit |
| Maximum Frequency | 80 MHz |
| Program Memory | 64 KB Flash |
| EEPROM | 1 KB |
| I/O Pins | 59 |
| Connectivity | CANbus, I²C, SCI, SPI |
| Temperature Range | -40°C to +105°C |
| Automotive Qualification | Automotive Qualified |
| Lifecycle Status | End of Life |
| Verified Unit Price | $11.9667 as of 2026-10-21 |
关键差异点
- Exact legacy MCU identity （对比 S912XDT256F1VAA)
- Verified automotive operating class （对比 S912XDT384J1MAG)
- Documented serial-interface breadth （对比 S912XEG384AVAGR)
设计说明
Do not treat the S912XD64F2VAA as an active long-term production choice without confirming supply. The NXP page identifies the part as end of life. For maintenance builds, secure traceable inventory, preserve the original firmware and toolchain, and document any substitute only after pin, clock, memory, peripheral, electrical, and software validation. Comparison-page similarity is insufficient evidence of drop-in compatibility.
Design the 80-pin QFP footprint from the official mechanical drawing rather than distributor summaries. Confirm pin 1 orientation, gull-wing lead geometry, solder-mask and copper-pad dimensions, courtyard clearance, and assembly tolerances. Place decoupling and bulk-capacitor connections close to their associated supply pins, preserve a practical programming and test strategy, and route sensitive communications away from high-current switching nodes.
The supplied evidence identifies low-voltage detection and power-on reset but does not provide operating-voltage limits, pin names, capacitor values, or reset timing. Before schematic release, obtain the official supply-voltage, absolute-maximum, power-up, reset, and decoupling requirements from the datasheet. Verify brownout behavior across the vehicle or industrial supply range and include a recovery strategy that does not depend on unverified assumptions.
A 64 KB flash MCU can still be constrained by bootloader, diagnostics, libraries, linker placement, and repeated data storage. Map memory after final firmware dependencies are selected, reserve space for boot and recovery code, and use the verified 1 KB EEPROM only after checking endurance and write timing in the manufacturer documentation. Do not store safety-critical or high-update-rate data without explicit nonvolatile-memory qualification.
合规信息
Mouser identifies the device as automotive qualified, but the supplied data does not explicitly establish RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status.