S9S12B128F0VFUER - 16-Bit 128KB Flash 25MHz MCU | NXP
MPN: S9S12B128F0VFUER ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
S9S12B128F0VFUER Overview
A microcontroller is a programmable semiconductor that combines a processor core, memory, peripherals, and input/output interfaces into a single device. The HCS12 architecture provides the computational and peripheral foundation for embedded control, while the 16-bit S12 core supports automotive and industrial control tasks. In the system hierarchy, this MCU belongs to the embedded-controller category, connects to sensors and actuators, and provides deterministic communication and control functions.
The verified component data identifies 128 KB of flash memory, 25 MHz operation, a -40°C to +105°C temperature range, an automotive-qualified identification, and an 80-QFP surface-mount package. One distributor result also reports 59 I/O pins, 8-channel 10-bit ADCs, 1K x 8 EEPROM, and CANbus, I2C, SCI, and SPI connectivity. The package and temperature range are important constraints when designing a production automotive or industrial control board.
The S12 core and integrated communications peripherals make the MCU suitable for multiplexed vehicle networks, body electronics, sensor aggregation, actuator control, and embedded automotive modules. The 10-bit ADC supports analog measurement tasks, while CANbus, I2C, SCI, and SPI allow connection to sensors, memory, transceivers, and other controllers. The exact peripheral configuration, memory map, electrical limits, and qualification details must be confirmed against the manufacturer datasheet before release to production.
A key design consideration is package and lifecycle validation. The supplied web results show both active distributor listings and a Rochester Electronics listing associated with Freescale Semiconductor, while one source reports a large inventory and another reports Tape & Reel packaging. Buyers should confirm current stock, traceability, temperature grade, and whether the purchased device is an original NXP/Freescale catalog item before using it in new automotive production.
This product page consolidates the verified distributor specifications, availability references, package information, and technical context into a structured engineering record. It does not invent missing electrical limits, pin names, pricing, or qualification claims; unavailable values are explicitly marked for datasheet confirmation.
Drop-in alternatives for S9S12B128F0VFUER — 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 S9S12B128F0VFUER (same form factor and footprint) — differing in Mounting Type, Core, ADC, Automotive Qualification, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12G128F0MLL
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12C128F0MFUE
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →S9S12DT12F1MFUE
✅ Drop-In✓ In Stock
$17.82 / Unit
View Datasheet →S9S12C96F0MFUER
✅ Drop-In✓ In Stock
$14.68 / Unit
View Datasheet →S9S12H128J2VFVE
✅ Drop-In✓ In Stock
$8.6 / Unit
View Datasheet →S9S12B128F0VFUER Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit HCS12/S12 core |
| Maximum Clock Frequency | 25 MHz |
| Flash Program Memory | 128 KB |
| Program Memory Width | 8-bit |
| Operating Temperature Range | -40°C to +105°C |
| Automotive Qualification | Automotive Qualified |
| Package | 80-QFP |
| Package Code | HQFP |
| Package Shape | Square |
| Terminal Form | Gull wing |
| Number of Terminals | 80 |
| Mounting Type | Surface mount |
| Number of I/O | 59 |
| ADC | 8-channel, 10-bit |
| EEPROM | 1K x 8 |
| Connectivity | CANbus, I2C, SCI, SPI |
| Oscillator Type | Internal |
| Series | S9S12 |
| Base Product Number | S9S12 |
S9S12B128F0VFUER square Pin Configuration Guide
Pin configuration for S9S12B128F0VFUER (square 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 S9S12B128F0VFUER.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S12B128F0VFUER is suitable for 6 applications: Automotive Multiplexing Control, Vehicle Body Electronics, Automotive Sensor Aggregation, CAN-Based Distributed Control Module, Automotive Actuator Interface, Industrial Multiplexed Control.
Automotive Multiplexing Control
The S9S12B128F0VFUER fits automotive multiplexing control because the verified data identifies a 16-bit S12 core, 25 MHz clock, CANbus connectivity, 59 I/O, and a -40°C to +105°C operating range. It can act as a distributed node that gathers switch, sensor, and body-state inputs and drives actuators across a vehicle network. The 128 KB flash supports embedded application firmware, while the 8-channel 10-bit ADC supports analog sensing. The 80-QFP package provides a high pin count for external interfaces, although exact peripheral multiplexing and electrical timing must be validated against the NXP datasheet.
Recommended
Vehicle Body Electronics
The S9S12B128F0VFUER is suitable for body-electronics modules that coordinate switches, lamps, locks, climate signals, and other distributed vehicle functions. Its reported CANbus capability supports vehicle-network communication, while SCI and SPI can connect to serial devices and SPI peripherals. The 16-bit architecture provides a control-oriented processor, and the 128 KB flash stores application logic without relying on external program memory. The 80-QFP package and 59 I/O offer substantial external connectivity, but the final design must confirm pin multiplexing, voltage domains, CAN transceiver requirements, and automotive qualification documentation.
Recommended
Automotive Sensor Aggregation
The S9S12B128F0VFUER can aggregate analog and digital sensor inputs in an automotive sensor node. Its verified 8-channel 10-bit ADC is appropriate for measuring sensor outputs, while digital interfaces including SPI, I2C, SCI, and CANbus allow connection to sensors and neighboring controllers. The 25 MHz S12 core supports deterministic acquisition, filtering, and fault-handling routines, and 128 KB flash provides storage for application code. Designers should verify ADC accuracy, sampling requirements, input voltage limits, sensor interface levels, and timing behavior in the manufacturer documentation.
Recommended
CAN-Based Distributed Control Module
The S9S12B128F0VFUER fits a CAN-based distributed control module because CANbus is explicitly listed among its connectivity options. A practical implementation places the MCU beside a CAN transceiver, with the MCU handling message interpretation, diagnostics, debounce logic, and actuator commands. The 16-bit core and 25 MHz clock provide a practical control platform, while 128 KB flash accommodates protocol and application logic. The design must still confirm CAN baud-rate limits, transceiver electrical requirements, termination, fault handling, wake-up behavior, and package-level pin assignments using the current manufacturer documentation.
Recommended
Automotive Actuator Interface
The S9S12B128F0VFUER can be used in an actuator-control subsystem where a central controller converts sensor and network information into motor, relay, lamp, or valve commands. Its reported 59 I/O and 80-QFP package provide multiple external signal paths, while the 16-bit S12 core handles sequencing, diagnostics, and safety-related monitoring routines. SPI or SCI can connect to local drivers or codecs, and CANbus can coordinate commands across the vehicle. Exact output-drive ratings, pin electrical limits, protection requirements, and timing margins are not supplied and must be verified before schematic release.
Recommended
Industrial Multiplexed Control
The same S12 architecture can serve industrial multiplexed-control systems where a single controller coordinates several distributed I/O channels. The 25 MHz 16-bit core supports real-time control logic, 128 KB flash supports embedded application firmware, and the reported CANbus, I2C, SCI, and SPI interfaces provide flexible connectivity. The -40°C to +105°C range may suit harsh environments, although industrial system qualification should be assessed separately from the automotive-qualified identification. Before deployment, confirm supply status, long-term availability, ESD protection, isolation requirements, and the exact package footprint.
Recommended
Recommended Products Summary
Engineering reference data for S9S12B128F0VFUER — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12G128F0MLL | S9S12C128F0MFUE | S9S12DT12F1MFUE |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Key Differentiators
- Verified automotive-oriented configuration (vs S9S12G128F0MLL)
- Documented connectivity set (vs S9S12C128F0MFUE)
- 128 KB flash and 25 MHz specification (vs S9S12DT12F1MFUE)
- Extended temperature-range identification (vs S9S12H128J2VFVE)
Design Notes
Use the current NXP package drawing to define the 80-QFP/HQFP land pattern, pin numbering, solder-mask clearance, and courtyard. The verified sources identify an 80-terminal square gull-wing package but do not provide dimensions or pin-level functions, so do not infer the footprint from a generic QFP library. Confirm exposed-pad or thermal-pad details, recommended solder mask, and assembly tolerances before releasing the PCB.
Do not substitute an S12-family part solely because its MPN appears in the Site MPN list or a cross-reference search. Verify pin names, power domains, reset behavior, clock limits, memory organization, ADC characteristics, peripheral multiplexing, package dimensions, temperature grade, and automotive qualification. The supplied data does not establish these details for the alternatives, so each candidate requires engineering review.
Design the decoupling and power-distribution network only after checking the current datasheet's supply pins, voltage ranges, absolute maximum ratings, and startup requirements. The verified data confirms a 16-bit MCU with CANbus, I2C, SCI, SPI, ADC, and EEPROM resources, but it does not provide supply-voltage values. Use the manufacturer recommendations for bulk and high-frequency capacitance and include appropriate protection for automotive transients.
Treat every external communication line as a constrained interface. For CANbus, verify transceiver compatibility, termination strategy, common-mode requirements, and protection devices. For SPI and I2C, confirm pin multiplexing, voltage domains, pull-up requirements, bus capacitance, and maximum clock rate from the current datasheet. SCI lines should likewise be checked for logic levels, baud-rate limits, and external transceiver requirements.
The verified operating range is -40°C to +105°C, but no power dissipation, junction-temperature, or thermal-resistance data is supplied. Before production, calculate worst-case dissipation using the actual supply voltage, clock, I/O loading, and peripheral activity, then compare the resulting junction temperature with the manufacturer limits. Keep the 80-QFP thermal path unobstructed and validate enclosure temperature and copper design for automotive installation conditions.
Compliance Information
The verified search result identifies the device as automotive qualified, but the supplied data does not separately confirm RoHS, REACH, lead-free, halogen-free, or conflict-mineral status. Confirm current manufacturer declarations and automotive qualification documentation before production.