S9S12H256J1VFVER - 16-Bit 256KB MCU 50MHz | NXP
MPN: S9S12H256J1VFVER ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
S9S12H256J1VFVER Overview
A microcontroller is a semiconductor device that integrates a CPU core, memory, I/O ports, timers, communication interfaces, and other peripherals into one embedded-control platform. The S9S12 family belongs to the HCS12 16-bit MCU hierarchy and is designed to support both control loops and communication-oriented embedded systems. A phase-locked loop allows power consumption and performance to be adjusted, while full 16-bit data paths simplify arithmetic operations in control and monitoring systems.
The key verified features are a 50 MHz maximum operating frequency, 256 KB of flash, 16-bit CPU architecture, 144 QFP packaging, and an extended -40°C to +105°C temperature range. The device also provides 12 general-purpose I/O pins with interrupt and wake-up capability from STOP mode, according to the NXP product-page information associated with the S9S12H256 family. These characteristics make the MCU suitable for automotive body and chassis electronics, industrial controllers, and other embedded systems operating in demanding thermal environments.
The HCS12 CPU core uses a CISC-style architecture and provides full 16-bit data paths. Its integrated PLL supports configurable performance and power-state management, which helps designers balance throughput against current consumption. The integrated flash memory supports firmware storage, while the peripheral set provides the foundation for digital I/O, timing, serial communication, interrupts, and low-power control. Exact peripheral counts, voltage ratings, electrical limits, and package dimensions require confirmation in the manufacturer datasheet.
Typical applications include automotive body-control modules, instrument-cluster electronics, actuator controllers, industrial control panels, and compact embedded systems. The extended temperature range supports harsh operating environments, while the 144-pin package provides access to the device's peripheral and I/O resources. The 50 MHz CPU speed is useful for coordinating multiple real-time tasks, but designers should confirm clock, memory, and interrupt requirements against the complete device documentation.
A key design consideration is validating the exact electrical limits, peripheral multiplexing, and pin assignments before schematic capture. Because the available verified data does not include the complete pinout, power-supply range, or detailed memory map, those values should be taken directly from the official NXP datasheet rather than inferred.
This product data combines verified manufacturer and distributor information with application guidance, engineering caveats, and a strict evidence trail. Pricing, lead time, lifecycle status, and unavailable technical parameters are not asserted when they are not present in the supplied data.
Drop-in alternatives for S9S12H256J1VFVER — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with S9S12H256J1VFVER (same form factor and footprint) — differing in Package, Automotive Qualification, Architecture, Manufacturer, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12H256J1VFVE
✅ Drop-In✓ In Stock
$10.5 / Unit
View Datasheet →MC9S12H256VFVER
✅ Drop-In✓ In Stock
$10.95 / Unit
View Datasheet →S9S12H256J2VFVER
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MC9S12H128J1VFVE
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12H64J1VFVE
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12H256J1VFVER Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit HCS12 CISC microcontroller |
| Maximum CPU Frequency | 50 MHz |
| Flash Memory | 256 KB |
| CPU Data Path | Full 16-bit data path |
| Package | 144-pin QFP |
| Operating Temperature Range | -40°C to +105°C |
| Automotive Qualification | Automotive qualified |
| General-Purpose I/O Pins | 12 pins |
| Interrupt Capability on General-Purpose I/O | Supported |
| Wake-Up Capability | Wake-up from STOP mode |
| Clock and Power Control | PLL included |
| Low-Power Mode | STOP mode |
| RoHS Status | RoHS3 Compliant |
S9S12H256J1VFVER 144-pin qfp Pin Configuration Guide
Pin configuration for S9S12H256J1VFVER (144-pin qfp package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for S9S12H256J1VFVER.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S12H256J1VFVER is suitable for 6 applications: Automotive Body Control Module, Industrial Embedded Controller, Actuator and Motor Control, Instrument Cluster Electronics, Low-Power Event-Responsive System, Automotive Environmental Control Unit.
Automotive Body Control Module
The S9S12H256J1VFVER fits automotive body-control applications that require a 16-bit MCU, 50 MHz performance, 256 KB flash, and operation from -40°C to +105°C. Its interrupt-capable general-purpose I/O can support switch inputs, actuator-control outputs, and wake-up events. The verified data does not include CAN, LIN, ADC, timer, or electrical-pin details, so interface suitability must be confirmed against the exact device datasheet before schematic approval.
Recommended
Industrial Embedded Controller
Use the S9S12H256J1VFVER for an industrial controller requiring real-time embedded processing and extended temperature operation. The 16-bit HCS12 CPU provides full 16-bit data paths, while the 50 MHz frequency supports coordinated control tasks, state machines, and communication routines. Its 256 KB flash provides embedded firmware capacity, but supply voltage, I/O levels, communication peripherals, and watchdog behavior must be verified in the manufacturer documentation.
Recommended
Actuator and Motor Control
The S9S12H256J1VFVER can serve as the supervisory controller in an actuator or motor-control system when firmware requires deterministic 16-bit processing and multiple external events. Its 50 MHz CPU and 12 interrupt/wake-capable general-purpose I/O pins can support sensing inputs and control sequencing. Actual motor-drive timing, PWM resources, analog inputs, and pin multiplexing are not present in the supplied data and must be confirmed before selecting the part.
Recommended
Instrument Cluster Electronics
The S9S12H256J1VFVER is relevant to instrument-cluster and dashboard electronics because it combines 256 KB flash, 50 MHz processing, and a 16-bit architecture in a 144-pin QFP. The extended -40°C to +105°C range is useful for vehicle environments. Display interfaces, segment or matrix drivers, communications, and display timing are not specified in the verified records, so those functions require direct confirmation from the complete NXP documentation.
Recommended
Low-Power Event-Responsive System
The STOP-mode interrupt and wake-up capability of the S9S12H256J1VFVER supports designs that spend time in a low-power state and resume when an external event occurs. Its 12 general-purpose I/O pins with interrupt and wake-up capability can be evaluated for buttons, sensor signals, or external control lines. Exact low-power current, wake-up timing, retention behavior, and I/O thresholds are not supplied, so power-budget and system-response decisions must rely on the datasheet.
Recommended
Automotive Environmental Control Unit
The S9S12H256J1VFVER can be evaluated for an environmental-control module where firmware must coordinate sensors, outputs, and user inputs across a wide temperature range. The 50 MHz HCS12 CPU and 256 KB flash support embedded control software, while the automotive-qualified identification and -40°C to +105°C rating support early design selection. Sensor interfaces, PWM channels, communication protocols, and electrical thresholds remain unspecified and should be verified against the exact part documentation.
Recommended
Recommended Products Summary
Engineering reference data for S9S12H256J1VFVER — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12H256J1VFVE | MC9S12H256VFVER | S9S12H256J2VFVER | MC9S12H128J1VFVE | S9S12H64J1VFVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Key Differentiators
- Extended temperature capability (vs Unspecified-temperature alternatives in the supplied comparison set)
- Confirmed automotive positioning (vs MC9S12H256VFVER)
- Documented PLL and low-power control (vs Cross-brand or unspecified alternative families)
Design Notes
Design the 144-pin QFP layout from the official NXP package drawing rather than inferring pin locations from a generic QFP footprint. Separate power and ground routing, preserve the manufacturer's thermal-pad or exposed-area requirements if present, and verify every signal against the exact S9S12H256J1VFVER pinout. Because the supplied data does not include pin names or land-pattern details, the PCB footprint must be checked against the current datasheet before release.
Confirm the device's supply-voltage range, decoupling requirements, input tolerances, and power-sequencing constraints from the manufacturer datasheet before connecting external signals. The verified information confirms a 50 MHz HCS12 MCU but does not state supply voltage or current limits, so adding capacitors or selecting a regulator based on assumptions could create an unsafe or nonfunctional design. Validate brownout, reset, and STOP-state behavior under worst-case automotive or industrial conditions.
Do not treat the related S9S12H256 ordering codes as drop-in replacements solely because they share a family name or package description. Verify memory size, pin multiplexing, clock limits, temperature grade, qualification, software device identifier, and package dimensions for every suffix. In particular, the supplied candidate data does not establish that S9S12H256J1VFVE or MC9S12H256VFVER is fully pin-to-pin and firmware-compatible with S9S12H256J1VFVER.
Keep clock, reset, and high-speed control routes short and away from noisy switching nodes. Follow the datasheet's external-component and decoupling recommendations, especially because the available records do not provide oscillator, PLL, or pin-drive specifications. If the MCU interfaces with sensors, displays, or actuators, define input filtering, signal levels, and protection according to the actual peripheral pins rather than the general package category.
Compliance Information
The verified distributor description states ROHS3 Compliant and Automotive Qualified. No verified REACH, halogen-free, conflict-minerals, or lead-free declaration was supplied. AEC-Q100 is shown as qualified based only on the automotive-qualified wording in the supplied search data; the exact automotive grade and qualification document should be confirmed with NXP.
