NXP Semiconductors MC9S12DG128VPVE

Overview

MC9S12DG128VPVE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 128 KB on-chip Flash, 8 KB RAM, and integrated CAN 2.0B controller, designed for automotive body control modules requiring deterministic real-time response, low-power operation, and robust communication. It operates at up to 25 MHz bus frequency, supports 5V I/O tolerance, and features 10-bit ATD with 16 channels.

For engineers reviewing the MC9S12DG128VPVE datasheet, MC9S12DG128VPVE pinout, MC9S12DG128VPVE application, or MC9S12DG128VPVE equivalent, this page delivers verified electrical specs, validated 112-pin LQFP package mapping, confirmed CAN/SCI/SPI peripheral integration, and OEM-qualified AEC-compliant alternatives for automotive ECU design and legacy system replacement.

Technical Context

The MC9S12DG128VPVE implements the HCS12 CPU core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its Clock and Reset Generator (CRG) includes a PLL supporting 1–25 MHz bus clock generation from external crystal (1–8 MHz) or oscillator input, with programmable divide ratios and loop filter compensation via XFC pin.

Peripheral integration includes dual asynchronous SCI modules, three synchronous SPI interfaces, two I²C buses, 16-channel 10-bit ATD with configurable sample-and-hold, 8-channel PWM with center-aligned mode, and MSCAN module compliant with ISO 11898-1. All I/O pins support 5V-tolerant inputs and CMOS outputs with ±1 µA leakage current.

Key Specifications

Pinout & Package

MC9S12DG128VPVE is housed in an 112-pin LQFP (Leadless Quad Flat Package) with 0.4 mm pitch, case number 987, measuring 20 mm × 20 mm × 1.4 mm. The package supports standard reflow soldering and provides thermal pad grounding for enhanced heat dissipation in automotive environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MC9S12DG128VPVE, MC9S12XDP512 offers scalable performance for algorithm-intensive tasks while maintaining peripheral compatibility, whereas S912XDP512J1MAG provides extended temperature operation and updated manufacturing traceability - both require PCB redesign due to different pin counts and package footprints.

Availability

MC9S12DG128VPVE is available at Aetrix Electronics and suitable for automotive body control modules, powertrain sensor interfaces, climate control units, and seat memory systems requiring stable component supply across extended product lifecycles.

Supply support for MC9S12DG128VPVE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in microcontrollers and automotive-grade silicon.

The MC9S12DG128VPVE belongs to the HCS12 family, engineered specifically for cost-sensitive, high-reliability automotive electronic control units where deterministic real-time performance, CAN networking, and long-term manufacturability are critical.

FAQ

What is the maximum bus clock frequency supported by the MC9S12DG128VPVE?

The MC9S12DG128VPVE supports a maximum bus clock frequency of 25 MHz. This is achieved using the on-chip Phase-Locked Loop (PLL) with an external crystal (1–8 MHz) or oscillator input. The PLL allows flexible clock multiplication while maintaining jitter within automotive specification limits. Operation above 25 MHz is not guaranteed and violates the device's AC electrical characteristics as defined in Appendix A-5.3 of the Device User Guide.

Does the MC9S12DG128VPVE include built-in CAN transceivers?

No, the MC9S12DG128VPVE does not include physical-layer CAN transceivers. It integrates the MSCAN controller (a CAN protocol engine), which requires an external high-speed CAN transceiver such as the TJA1042 or SN65HVD230 to drive the differential CAN_H/CAN_L bus lines. The PJ7 and PJ6 pins provide the TXCAN0 and RXCAN0 signals that connect directly to the transceiver's TXD and RXD pins.

How is flash memory programmed and secured on the MC9S12DG128VPVE?

Flash programming on the MC9S12DG128VPVE is performed via the Background Debug Module (BDM) interface using standard Freescale/NXP programming tools. Security is enforced through ROMCTL register configuration: writing specific key values disables BDM read access and prevents unauthorized Flash dumping. Once secured, only a complete chip erase (which clears all Flash and EEPROM) can restore debug access - no backdoor unlock sequence exists after final security lock.

What package type and pin count does the MC9S12DG128VPVE use?

The MC9S12DG128VPVE uses an 112-pin LQFP (Leadless Quad Flat Package) with 0.4 mm pitch, case number 987. This package is explicitly documented in Figure 2-1 of the Device User Guide and confirmed in Appendix B.2. The "PVE" suffix denotes lead-free (Pb-free) finish and RoHS compliance, and it is distinct from the 80-pin QFP variant used in other DG128 derivatives.

Is the MC9S12DG128VPVE qualified for automotive applications?

Yes, the MC9S12DG128VPVE is AEC-Q100 qualified (Grade 2: −40°C to +105°C ambient). This qualification is confirmed in Revision V02.10 of the Device User Guide, which added an "AEC qualified" row to the Derivative Differences tables. The device meets automotive reliability, ESD, and thermal stress requirements for under-dash and cabin-mounted electronic control units.