S9S12H128J1VPVER - 16-Bit 50MHz 128KB Flash MCU | NXP
MPN: S9S12H128J1VPVER ✗ End of Life| 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 |
S9S12H128J1VPVER Overview
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one device. This HCS12 MCU belongs to the embedded-controller hierarchy: 16-bit MCU → HCS12 microcontroller → embedded processing → automotive electronics. It is intended for systems requiring deterministic embedded control, serial communication, timing, and analog or digital interface functions.
The verified source data identifies the HCS12 CPU, 16-bit architecture, 50 MHz operating frequency, and 128 KB flash organized as 128K × 8. The 112-LQFP package supports surface-mount assembly, while the automotive qualification and -40°C to +105°C rating suit equipment operating across extended temperature conditions. Exact RAM, supply voltage, peripheral list, and memory endurance are not supplied and are therefore not inferred.
Within an embedded design, the MCU can serve as the central controller for automotive body, chassis, powertrain-adjacent, sensor, and communication subsystems. The 128 KB program-memory capacity provides room for boot code, application logic, diagnostics, and communication handlers. The 50 MHz clock rating enables time-sensitive control tasks, although real timing performance must be evaluated against the selected peripherals, bus architecture, memory wait states, and firmware workload.
Typical integration places the MCU beside power regulation, sensing, actuation, and communication circuitry. Inputs should be checked against the manufacturer electrical limits, while unused pins must follow the official pin-multiplexing and termination guidance. Because only the summarized distributor information was supplied, no detailed pin names, peripheral assignments, or electrical limits should be inferred without the official device documentation.
When sourcing this part, verify the exact package, temperature grade, flash configuration, qualification status, and ordering suffix. The supplied data shows distributor listings from Rochester Electronics and NXP, but it does not provide a manufacturer datasheet URL, lifecycle declaration, price, or confirmed production status. This page therefore separates verified facts from unavailable technical and commercial fields rather than extrapolating them.
Drop-in alternatives for S9S12H128J1VPVER — 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 S9S12H128J1VPVER (same form factor and footprint) — differing in Automotive Qualification, Package, Mounting Type, RoHS Status, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12H128J2VFVE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.6 / Unit
View Datasheet →S9S12H256J1VFVER
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →S9S12H256J1VFVE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$10.5 / Unit
View Datasheet →MC9S12H128J1VPVE
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S12H128J2VFVE
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S12H128J1VPVER Maximum Ratings & Electrical Characteristics
| Device Type | 16-bit HCS12 microcontroller |
| CPU Core | HCS12 CPU |
| Architecture | 16-bit |
| Maximum Clock Frequency | 50 MHz |
| Flash Memory | 128 KB (128K x 8) |
| Program Memory Organization | 128K x 8 |
| Operating Temperature Range | -40°C to +105°C |
| Automotive Qualification | Automotive Qualified |
| Package Type | 112-LQFP |
| Package Dimensions | 20 mm x 20 mm |
| Package Family | LQFP-112 |
| Mounting Type | Surface mount |
| Manufacturer | NXP Semiconductors |
| Legacy Manufacturer | Freescale Semiconductor |
S9S12H128J1VPVER lqfp-112 Pin Configuration Guide
Pin configuration for S9S12H128J1VPVER (lqfp-112 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 S9S12H128J1VPVER.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S12H128J1VPVER is suitable for 7 applications: Automotive Body Control, Automotive Sensor Interface, Powertrain Adjacent Controller, Vehicle Communication Gateway, Industrial Controller, Embedded Diagnostic Controller, Actuator and Relay Control.
Automotive Body Control
The S9S12H128J1VPVER is a candidate for centralized automotive body-control logic because the verified data identifies a 16-bit HCS12 MCU, 50 MHz operation, 128 KB flash, and a -40°C to +105°C temperature range. It could organize door, lighting, wiper, locking, and diagnostic functions in one embedded controller. The principal design trade-off is that the supplied records do not define the detailed peripheral map or transient limits, so the final device choice depends on official electrical and pin documentation.
Recommended
Automotive Sensor Interface
The 128 KB flash and 50 MHz 16-bit HCS12 core can support an automotive sensor-interface subsystem that combines input sampling, filtering, diagnostics, and communication handling. The verified -40°C to +105°C range makes the part a candidate for temperature-varying vehicle environments. However, ADC resolution, timer resources, input voltage, and communication interfaces are not present in the supplied data and must be verified before assigning this device to a specific sensor architecture.
Recommended
Powertrain Adjacent Controller
S9S12H128J1VPVER may be evaluated for a powertrain-adjacent control module when the system requires a 50 MHz embedded controller and extended-temperature operation. Its 16-bit HCS12 architecture is suited to deterministic supervisory logic, diagnostics, and actuator coordination outside the most demanding direct motor-drive path. Actual suitability cannot be confirmed from the supplied records because injector, timer, ADC, voltage, transient, and safety requirements are not specified.
Recommended
Vehicle Communication Gateway
The device's stated 128 KB flash can provide program storage for communication protocol handling, message routing, diagnostics, and boot or update code, while the 50 MHz HCS12 core supports time-dependent embedded tasks. The verified data does not identify CAN, LIN, Ethernet, or other communication peripherals, so those functions must be confirmed before design commitment. A communication gateway should also account for bus fault tolerance and automotive transient requirements not present in the supplied records.
Recommended
Industrial Controller
The S9S12H128J1VPVER can be considered for an industrial controller requiring a 16-bit MCU, 50 MHz processing capability, and 128 KB program memory. Its verified -40°C to +105°C range supports extended-temperature equipment, while the 112-LQFP package provides a defined high-pin-count mounting format. Industrial use still requires checking supply voltage, watchdog, communications, I/O levels, EMC, and lifecycle availability against the complete manufacturer documentation.
Recommended
Embedded Diagnostic Controller
The S9S12H128J1VPVER's 128 KB flash can hold diagnostic software, fault-state tables, startup checks, and service routines alongside application firmware. Its 50 MHz 16-bit HCS12 core can support bounded control tasks, but the supplied data does not confirm diagnostic peripherals, memory protection, watchdog behavior, or functional-safety mechanisms. These omissions make the part suitable for initial architecture evaluation rather than final safety-critical release without the official datasheet.
Recommended
Actuator and Relay Control
A 16-bit HCS12 microcontroller can coordinate relays, solenoids, lamps, and other automotive or industrial actuators through discrete interface circuitry. The S9S12H128J1VPVER's stated 50 MHz clock provides a timing margin for debounce, state-machine execution, and fault monitoring, while the 112-LQFP package exposes many potential signal pins. The supplied data does not identify I/O levels, drive capabilities, timer pin mappings, or output limits, so all actuator paths require electrical verification.
Recommended
Recommended Products Summary
Engineering reference data for S9S12H128J1VPVER — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12H128J2VFVE | S9S12H256J1VFVER | S9S12H256J1VFVE | MC9S12H128J1VPVE |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Freescale Semiconductor |
| Package | 112-LQFP (20 mm x 20 mm) | LQFP-112; exact dimensions not verified | LQFP-112; exact dimensions not verified | LQFP-112; exact dimensions not verified | LQFP-112; exact dimensions not verified |
Key Differentiators
- Verified automotive-oriented temperature specification (vs S9S12H128J2VFVE)
- Confirmed 128 KB flash configuration (vs S9S12H256J1VFVER)
- Explicit 50 MHz verified operating frequency (vs MC9S12H128J1VPVE)
- Exact verified package format (vs S9S12H256J1VFVE)
Design Notes
Do not begin layout from the package designation alone. The verified data identifies a 112-LQFP, 20 mm x 20 mm package, but the supplied records do not include the pin map or exposed-pad details. Download the exact VPVER device drawing and pin table, verify power, ground, reset, clock, debug, and no-connect assignments, and preserve the manufacturer's recommended land pattern and thermal-via geometry.
Supply-voltage limits and external component requirements are not included in the verified data. Before power-up, determine the device's valid operating range from the official datasheet, then design the regulator and decoupling network for the required transient and electromagnetic environment. Do not infer voltage levels from the 50 MHz clock rating or the automotive-qualified description.
The package is specified as 112-LQFP, but thermal resistance and maximum junction temperature are not provided. For an automotive or industrial enclosure, calculate estimated power dissipation from the actual supply voltage, I/O loading, clock behavior, and peripheral activity, then compare the resulting junction-temperature estimate with the official thermal limits. Maintain copper and via area according to the package drawing.
Avoid ordering by partial HCS12 family similarity. VPVER, VPVE, and VFVER suffixes may represent different package, temperature, qualification, or memory configurations, and the supplied records do not prove interchangeability. Before substituting any candidate, compare the complete ordering code, pin-by-pin map, clock, flash, RAM, peripherals, electrical limits, and qualification documentation.
The supplied information does not specify external clock requirements, communication peripherals, or I/O timing. Validate the oscillator, clock-tree configuration, reset behavior, debug interface, and every external signal against the official electrical and timing documentation. In particular, do not assume that two similarly named HCS12 devices share peripheral mapping or interrupt behavior.
Compliance Information
The verified data states automotive qualified but does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals documentation. Obtain current compliance and qualification records from NXP or the authorized distributor.
