MC9S12XDQ256VPV - 16-Bit 40MHz MCU 112-LQFP | NXP
MPN: MC9S12XDQ256VPV ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.0047 | $1.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S12XDQ256VPV Overview
A microcontroller, or MCU, integrates a processor core, nonvolatile program memory, data memory, timers, serial interfaces, and input/output circuitry on one semiconductor device. Within the embedded-control hierarchy, the CPU12 MCU belongs to the 16-bit microcontroller, embedded processor, and semiconductor categories. It executes firmware for body, vehicle, and industrial control functions where deterministic control and peripheral integration can reduce the component count of a controller board.
The MC9S12XD family is described by Freescale as delivering 32-bit performance while retaining the efficiencies of a 16-bit MCU. Verified distributor data specifically identifies the MC9S12XDQ256VPV as a CPU12 device with 40 MHz operation and 256 Kbytes of flash. Its 112-pin LQFP exposes substantially more I/O than a small 32- or 64-pin MCU, making the family suitable for multiplexing nodes that need multiple digital interfaces and automotive-network connectivity.
The family datasheet is the appropriate authority for startup, clocking, memory organization, peripherals, electrical limits, timing, and pin multiplexing. Since the provided search excerpts do not contain the complete register or electrical tables, those values are not inferred here. Firmware replacement should therefore compare the complete pin function list, clock requirements, memory map, peripherals, voltage limits, package dimensions, and qualification requirements rather than relying only on the 40 MHz headline frequency.
Typical uses include automotive body-control modules, multiplexing controllers, seat and climate-control electronics, lighting controllers, instrument-cluster electronics, and industrial embedded-control panels. In these systems, the MCU consolidates logic and interface handling while firmware coordinates sensor inputs and actuator outputs. The LQFP package is easy to inspect and solder but requires more board area and fine-pitch routing than a compact QFN package.
Before layout, reserve all power, ground, reset, clock, programming, and multiplexed peripheral pins according to the datasheet. Preserve the required decoupling and oscillator-layout practices, then validate unused pins and boot configuration. Because automotive designs are especially sensitive to reset behavior, bus timing, transient immunity, and supply disturbances, use the manufacturer documentation for the exact device revision and qualification basis.
This page combines the verified family-level position, exact package information, commercial listings, and engineering-oriented design cautions. It also distinguishes confirmed facts from unavailable specifications, avoiding unsupported claims while providing a practical basis for sourcing and initial design evaluation of the MC9S12XDQ256VPV.
Drop-in alternatives for MC9S12XDQ256VPV — 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 MC9S12XDQ256VPV (same form factor and footprint) — differing in Product Type, RoHS Status, Package, Flash Memory, Temperature Grade.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesMC9S12XDQ256VPV Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit automotive-oriented microcontroller |
| Processor Core | CPU12 |
| Maximum Clock Frequency | 40 MHz |
| Program Memory | 256 Kbytes flash |
| Temperature Grade | Industrial |
| Package Code | LQFP |
| Package Type | 112-terminal LQFP |
| Terminal Form | Gull wing |
| Package Shape | Square |
| Package Dimensions | 20 mm x 20 mm |
| Mounting Type | Surface mount |
| RoHS Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Status | unknown |
MC9S12XDQ256VPV 20 mm x 20 mm Pin Configuration Guide
Pin configuration for MC9S12XDQ256VPV (20 mm x 20 mm 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 MC9S12XDQ256VPV.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S12XDQ256VPV is suitable for 6 applications: Automotive Multiplexing Controller, Automotive Body-Control Module, Seat and Climate-Control Electronics, Lighting and Indicator Controller, Instrument-Cluster Support Controller, Industrial Embedded-Control Panel.
Automotive Multiplexing Controller
The MC9S12XDQ256VPV fits a multiplexing node because the verified Freescale family description targets automotive multiplexing, while this orderable device provides a CPU12 core, 40 MHz operation, 256 Kbytes of flash, and 112 terminals. Its large pin count can support several digital interfaces, sensing lines, and actuator-control signals on one controller. Firmware would manage bus traffic, input sampling, diagnostics, debouncing, fault handling, and output timing. Before schematic approval, engineers must verify the exact communication peripherals, pin multiplexing, electrical limits, and automotive qualification data because those details are absent from the supplied excerpts.
Recommended
Automotive Body-Control Module
The 112-terminal MC9S12XDQ256VPV is a practical candidate for a body-control module requiring numerous external connections rather than a very small microcontroller package. Its verified 40 MHz CPU12 performance can coordinate multiple low- and medium-speed control tasks, while 256 Kbytes of flash provides program storage for application logic and diagnostic routines. The square 20 mm x 20 mm LQFP is inspectable after assembly but demands a larger land pattern than a QFN. Confirm used-pin multiplexing, supply requirements, wake and reset behavior, watchdog support, and qualification before freezing an automotive design.
Recommended
Seat and Climate-Control Electronics
A seat or climate-control module can use the MC9S12XDQ256VPV to combine switch inputs, sensor conditioning support, state-machine logic, indicators, and actuator outputs. The confirmed 40 MHz operating rate provides compute margin for debouncing, filtering, diagnostic monitoring, and communication servicing, while the 112-pin LQFP provides more physical connections than a compact controller. Power dissipation is not a concern at the level stated in the supplied evidence because the exact supply voltage and active current are missing. Those figures must be obtained from the datasheet before selecting regulators, traces, thermal provisions, or automotive protection components.
Recommended
Lighting and Indicator Controller
The MC9S12XDQ256VPV can serve as the central controller in a lighting or indicator system where multiple outputs must be sequenced and monitored. Its 40 MHz CPU12 core can implement debounced command inputs, status feedback, fault detection, and timing logic, while the 112-pin package offers substantial connection capacity. Compared with a small 32-pin MCU, this device is more appropriate when many direct I/O lines are needed and PCB area is available. LQFP lead spacing still requires careful assembly-process control. Confirm output-driver ratings and alternate pin functions from the complete datasheet before assigning loads.
Recommended
Instrument-Cluster Support Controller
The MC9S12XDQ256VPV can participate in an instrument-cluster support design that gathers switch, sensor, and communication inputs while coordinating display-related outputs. Its verified 256 Kbytes of flash provides useful application-code capacity, and the industrial-grade 112-LQFP configuration offers extensive pin access for a cluster-adjacent control board. Firmware may implement input debouncing, sensor plausibility checks, warning logic, communication buffering, and diagnostic codes. However, the supplied evidence does not identify display interfaces, memory types, timing outputs, or electrical limits, so interface suitability must be established from the manufacturer datasheet rather than inferred.
Recommended
Industrial Embedded-Control Panel
The MC9S12XDQ256VPV is also a candidate for an industrial embedded-control panel that combines discrete inputs, relay or indicator outputs, communications, and local diagnostics. The verified industrial temperature grade makes the part a reasonable starting point for non-extreme industrial environments, although numeric limits must still be checked. Forty megahertz operation supports responsive state-machine and communication tasks, and 112 terminals reduce the need for external I/O expansion when pin multiplexing supports the required functions. Validate industrial noise immunity, supply tolerances, watchdog behavior, environmental qualification, and lifecycle availability before production release.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12XDQ256VPV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Brand | NXP Semiconductors |
| Package | 112-terminal LQFP |
| Product Type | 16-bit microcontroller |
| Processor Core | CPU12 |
| Maximum Clock Frequency | 40 MHz |
| Program Memory | 256 Kbytes flash |
| Temperature Grade | Industrial |
| Terminal Form | Gull wing |
| Package Dimensions | 20 mm x 20 mm |
| Verified Starting Price | $1.0047 as of 2026-10-20 |
Design Notes
Create the land pattern only from the confirmed 112-terminal LQFP mechanical drawing. The verified listing establishes a square 20 mm x 20 mm gull-wing package, but it does not provide pin pitch, lead width, maximum dimensions, or courtyard details. Confirm those values in the manufacturer package information before copper artwork. A dimensionally plausible LQFP footprint is not sufficient for a reliable assembly because solder-joint and drill tolerances depend on the exact drawing.
Place all required bypass capacitors directly between the relevant power and ground pins, and route clock, reset, programming, and high-speed communication nets away from switching nodes. The supplied evidence does not state capacitor values or oscillator frequency, so do not copy a generic CPU12 layout blindly. Trace each selected alternate function from the family pin table and reserve boot and debug pins according to the intended programming and reset scheme.
Do not treat a similar 256-Kbyte S12 part as an automatic substitute. The MPN suffix can encode package, temperature, speed, and qualification information, and the exact pin multiplex map may differ by device variant. Before replacing MC9S12XDQ256VPV, compare the ordering table, package drawing, memory map, clock limits, used peripheral pins, electrical limits, startup vectors, and qualification. A successful PCB fit alone does not establish firmware or hardware equivalence.
The verified data does not provide supply voltage, run current, sleep current, or I/O loading, so power-supply sizing cannot be completed numerically. Obtain those values from the exact device datasheet and include margin for startup, transient loads, regulator tolerance, and automotive or industrial wiring disturbances. If the MCU will control loads through external drivers, calculate those paths independently; controller-pin current ratings must not be assumed from the general 40 MHz operating frequency.
Compliance Information
The supplied distributor excerpts identify an industrial temperature grade but provide no RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Automotive multiplexing is a family target, but it does not by itself prove qualification of this exact orderable MPN.
