MC9S12DT128BVPV - 16-Bit 50MHz 128KB Flash MCU | NXP
MPN: MC9S12DT128BVPV ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $15.2668 | $15.27 |
| 10 | $15.2668 | $152.67 |
| 100 | $15.2668 | $1,526.68 |
| 500 | $15.2668 | $7,633.40 |
| 1,000 | $15.2668 | $15,266.80 |
MC9S12DT128BVPV Overview
A microcontroller is a programmable system-on-chip that executes firmware, coordinates hardware peripherals, and manages control-system inputs and outputs. The HCS12/CPU12 family combines a 16-bit processor, flash program memory, data memory, timers, serial interfaces, interrupt control, and communication peripherals. Within the broader semiconductor hierarchy, this device belongs to the embedded-controller and automotive-electronics domains.
Verified source data specifies 128 KB organized as 128K x 8, a 16-bit architecture, and a 50 MHz maximum listed frequency. Its 112-pin LQFP package provides a substantial pin count for external memory interfaces, communications, timers, analog control, and multiplexing applications. The family was designed for automotive multiplexing applications and pin-compatible family variants support scalable memory and peripheral selections.
The source listings disagree on the operating frequency: Mouser describes a 25 MHz product, while DigiKey describes the exact MC9S12DT128BVPV as 50 MHz. Because the exact-MPN DigiKey listing and the detailed comparison result identify 50 MHz, that value is retained here, but engineers should confirm the relevant clock and bus limits against the manufacturer datasheet before release.
Typical uses include automotive body and multiplexing controllers, embedded industrial controls, communication hubs, sensor-interface systems, and general 16-bit embedded platforms. The large package is useful where broad external connectivity is required, while the 128 KB flash capacity supports moderate standalone control firmware.
Design decisions should focus on exact pin multiplexing, oscillator configuration, reset behavior, memory timing, and peripheral allocation. Before substituting another 112-pin device, verify every pin, peripheral mapping, clock rating, voltage requirement, and software-support element; package similarity alone does not establish drop-in compatibility.
This page consolidates verified distributor specifications, source URLs, application context, comparison data, and replacement-screening guidance. Because public cross-reference results did not verify five true pin-to-pin alternatives, no unverified substitutes are presented as drop-in parts.
Drop-in alternatives for MC9S12DT128BVPV — 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 MC9S12DT128BVPV (same form factor and footprint) — differing in Package, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12DT128BCPV
✅ Drop-In✓ In Stock
$18.45 / Unit
View Datasheet →MC9S12DT128CPVE
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12DJ128CPVE
✅ Drop-In✓ In Stock
$19.75 / Unit
View Datasheet →MC9S12DJ128VPVE
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12DT128BCPV
✅ Drop-In✓ In Stock
$18.45 / Unit
View Datasheet →MC9S12DT128BVPV Maximum Ratings & Electrical Characteristics
| Product Type | 16-bit Flash Microcontroller |
| Architecture | CPU12 |
| Maximum Listed Frequency | 50 MHz |
| Alternate Search Listing Frequency | 25 MHz |
| Flash Memory | 128 KB (128K x 8) |
| Program Memory Type | Flash |
| Word Length | 16 bit |
| Package | 112-LQFP (20 mm x 20 mm) |
| Pin Count | 112 pins |
| Mounting Type | Surface Mount |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| Temperature Grade | Industrial |
| Application Domain | Automotive Multiplexing |
| Supplier-Reported Price | From $15.2668 USD |
| LCSC Stock Statement | In-stock |
| Datasheet Document Length | 124 pages |
| Datasheet File Size | 641 Kbytes |
MC9S12DT128BVPV square Pin Configuration Guide
Pin configuration for MC9S12DT128BVPV (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 MC9S12DT128BVPV.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S12DT128BVPV is suitable for 6 applications: Automotive Multiplexing Controller, Embedded Industrial Control Platform, Communication Hub and Protocol Gateway, Sensor and Actuator Interface Node, Legacy HCS12 Firmware Platform, Test Fixture and Programmable Control System.
Automotive Multiplexing Controller
The MC9S12DT128 family is specifically described as being designed for automotive multiplexing applications, and the target combines a 16-bit CPU12 with 128 KB flash in a 112-pin LQFP. Its large pin count can suit systems requiring numerous multiplexed I/O nodes, provided the exact pin map and peripheral assignments are confirmed. Before using the BVPV suffix in an automotive program, verify industrial-versus-automotive grade, temperature limits, qualification status, and lifecycle because the supplied listing explicitly calls this part industrial grade.
Recommended
Embedded Industrial Control Platform
The MC9S12DT128BVPV is listed as industrial grade and provides 128 KB of flash for embedded control firmware, making it relevant to motor, process, and equipment-control platforms. Its 16-bit CPU12 architecture can support legacy HCS12 codebases, while the 112-pin LQFP offers many external connections. Actual suitability depends on voltage range, RAM, timers, communications, and analog resources that were not present in the retrieved excerpts. Validate those interfaces and interrupt requirements against the full manufacturer datasheet before schematic capture.
Recommended
Communication Hub and Protocol Gateway
A 16-bit microcontroller with 128 KB flash can serve as a protocol-conversion or communication hub when several serial and digital interfaces must be coordinated. The target's 112-pin package provides a large pin budget for external transceivers and control signals, but the verified data does not enumerate UART, CAN, SPI, or other peripheral availability. Engineers must inspect the exact pin multiplexing and peripheral electrical limits rather than assuming that every pin is independently available. Firmware architecture should reserve memory and scheduling headroom for protocol handling.
Recommended
Sensor and Actuator Interface Node
The MC9S12DT128BVPV's 16-bit architecture and broad 112-pin package can support a local node that reads sensors and coordinates actuators over multiple digital or serial links. The verified 128-KB flash figure provides a clear firmware-memory baseline, but ADC characteristics, PWM channels, timer resolution, and pin multiplexing were not supplied. Those missing parameters are decisive for signal conditioning and timing. Confirm them in the device documentation, then reserve decoupling and grounding resources around sensitive sensor and actuator circuitry.
Recommended
Legacy HCS12 Firmware Platform
The MC9S12DT128BVPV is especially relevant when maintaining a CPU12-based product because the verified 16-bit architecture and 128 KB flash capacity align with a mature embedded software family. Reusing an existing HCS12 codebase can reduce migration effort, but exact instruction, peripheral, timer, and memory compatibility must be checked. The 50 MHz exact-MPN listing should also be reconciled with the conflicting 25 MHz Mouser snippet. Preserve toolchain compatibility and verify boot, watchdog, interrupt, and debug behavior during hardware bring-up.
Recommended
Test Fixture and Programmable Control System
A 16-bit flash MCU can coordinate fixtures, relays, indicators, and measurements where deterministic control and reusable firmware are important. The MC9S12DT128BVPV's 128 KB flash and 112-pin package provide memory and I/O capacity for such equipment, although the supplied evidence does not define the required I/O voltage, timing channels, or communications. Engineers should map every external signal to the verified multiplexed pin table and ensure timing margins. A hardware-in-the-loop test plan should exercise reset, brownout, watchdog, and peripheral edge cases.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12DT128BVPV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12DT128BCPV | MC9S12DT128CPVE | MC9S12DJ128CPVE | MC9S12DJ128VPVE |
|---|---|---|---|---|---|
| Package | 112-LQFP (20 mm x 20 mm) | 112-LQFP | 112-LQFP | 112-LQFP | 112-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Automotive Multiplexing Context | MC9S12DT128 family designed for automotive multiplexing; exact suffix qualification unverified | Same DT128 family | Same DT128 family | Related MC9S12DJ128 family | Related MC9S12DJ128 family |
| Pins | 112 pins | 112 pins | 112 pins | 112 pins | 112 pins |
Key Differentiators
- Exact-MPN listing identifies the device at 50 MHz (vs MC9S12DT128CPVE)
- Industrial-grade listing provides a defined market positioning (vs MC9S12DT128BCPV)
- Verified flash capacity matches the principal same-family reference (vs MC9S12DT128BCPV)
Design Notes
Do not approve a replacement solely because it is also labeled 112-LQFP. The verified web results establish package and broad MCU class for several related devices, but do not provide complete pin mappings, voltage ranges, clock limits, memory maps, peripheral assignments, or qualification grades. Compare the manufacturer pin tables, alternate-function matrix, electrical limits, reset and debug pins, errata, and device mask before replacing MC9S12DT128BVPV on an assembled PCB.
The verified excerpts do not state the target's supply-voltage range or absolute maximum ratings. Before schematic design, verify power pins, decoupling requirements, brownout behavior, input thresholds, and any analog or digital voltage-domain restrictions in the manufacturer documentation. The 50 MHz exact-MPN listing and conflicting 25 MHz Mouser excerpt must also be reconciled because clock-dependent timing can influence power integrity and bus margins.
The MC9S12DT128BVPV uses a 112-lead, 20 mm by 20 mm LQFP, so fanout and routing require careful escape routing between fine-pitch leads. Follow the official land pattern and pin-1 orientation rather than a generic LQFP footprint. Confirm courtyard clearance, solder-mask definition, via-in-pad restrictions, thermal or ground-pad requirements, and assembly capabilities; these mechanical details were not contained in the supplied excerpts.
Compliance Information
The supplied source excerpts contain no verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is marked not_applicable because the exact part is listed as industrial grade and no automotive qualification is verified, not because automotive use is prohibited.
