NXP Semiconductors MC9S12C96CFUER

Overview

MC9S12C96CFUER from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 96 KB on-chip Flash, 4 KB RAM, and integrated CAN 2.0A/B controller, PWM, 10-bit 8-channel ADC, and BDM debug interface. It operates at up to 25 MHz core frequency with 5V tolerant I/O and supports automotive-grade temperature range (–40°C to +85°C). It is used in engine control units, body electronics, and industrial motor controllers requiring deterministic real-time response.

For engineers reviewing the MC9S12C96CFUER datasheet, MC9S12C96CFUER pinout, MC9S12C96CFUER application, or MC9S12C96CFUER equivalent, key selection criteria include its 80-pin LQFP package, S12 CPU core architecture, 96 KB Flash/4 KB RAM memory configuration, CAN bus support, and compatibility with legacy HCS12 toolchains and BDM-based programming.

Technical Context

The MC9S12C96CFUER implements the S12 CPU core with 16-bit data path and 24-bit address space, executing instructions in single-cycle (most) or two-cycle (indexed) modes. Its memory map includes paged Flash (96 KB), RAM (4 KB), and register space mapped to fixed addresses, with PPAGE register enabling extended addressing beyond 64 KB.

It integrates multiple peripherals including a scalable CAN controller (S12MSCANV2), 16-bit timer module (TIM16B8CV1), 8-channel 10-bit ADC (ATD10B8C), and dual-voltage regulator (VREG3V3V2) supporting internal 3.3 V supply generation from 5 V input. Clocking is managed by CRGV4 with PLL, RTI, COP watchdog, and clock monitor functions.

Key Specifications

Pinout & Package

MC9S12C96CFUER is housed in an 80-pin LQFP (12 × 12 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow the MC9S12C family standard layout, including dedicated CANH/CANL, BKGD debug, RESET, and VDD/VSS power domains.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S12C96CFUER, the MC9S12C128CFUER offers headroom for larger code images without changing PCB layout, while the S912XDP512J1MALR delivers significantly higher processing bandwidth and functional safety infrastructure - making it suitable for evolving ECU architectures where deterministic real-time performance and scalability are critical.

Availability

MC9S12C96CFUER is available at Aetrix Electronics and suitable for engine control units, body electronics modules, and industrial motor controllers requiring stable component supply and long-term automotive-grade availability.

Supply support for MC9S12C96CFUER 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 heritage in microcontroller innovation.

The MC9S12C96CFUER belongs to the HCS12 family, designed specifically for cost-sensitive, high-reliability automotive and industrial control applications where deterministic real-time behavior, CAN integration, and long product lifecycle support are essential.

FAQ

What is the maximum operating frequency of the MC9S12C96CFUER?

The MC9S12C96CFUER achieves a maximum core frequency of 25 MHz using its internal PLL, which multiplies an external 4–8 MHz crystal input. This frequency enables sub-millisecond interrupt response times and supports real-time control loops in engine and motor applications. The MC9S12C96CFUER maintains timing accuracy across its specified –40°C to +85°C temperature range.

Does the MC9S12C96CFUER support CAN FD or only classical CAN?

The MC9S12C96CFUER supports only classical CAN 2.0A/B (ISO 11898-1) via its S12MSCANV2 module, with bit rates up to 1 Mbit/s. It does not implement CAN FD features such as flexible data-rate, extended data length, or CRC enhancements. For CAN FD requirements, designers should consider newer NXP S32K or SPC5 families instead of the MC9S12C96CFUER.

How is flash programming performed on the MC9S12C96CFUER?

Flash programming on the MC9S12C96CFUER is performed via the single-wire Background Debug Mode (BDM) interface using standard Freescale/NXP BDM tools (e.g., USB-ML-12, Cyclone Pro). No external programmer or bootloader is required - the on-chip BDM firmware handles erase, program, and verify operations directly through the BKGD pin, supporting field updates and production programming.

What power supply configurations does the MC9S12C96CFUER require?

The MC9S12C96CFUER operates from a single 5 V ±10% supply applied to VDD pins, with internal VREG3V3V2 generating 3.3 V for the core logic. Separate analog (VDDA/VSSA) and digital (VDD/VSS) power domains must be decoupled per Freescale layout guidelines. The device draws ~45 mA typical at 25 MHz and drops to <10 µA in STOP mode.

Is the MC9S12C96CFUER pin-compatible with other MC9S12C family members?

Yes, the MC9S12C96CFUER is pin-compatible with other 80-pin LQFP variants in the MC9S12C family (e.g., MC9S12C64CFUER, MC9S12C128CFUER), sharing identical pinouts, peripheral mappings, and power/ground arrangements. This allows hardware reuse across different Flash/RAM configurations without PCB redesign.