NXP Semiconductors MC9S12C96CFAE

Overview

MC9S12C96CFAE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 96 KB on-chip Flash, 4 KB RAM, and a 25 MHz bus speed. It integrates CAN 2.0A/B controller, 10-bit 8-channel ADC, 8-channel PWM, and background debug module (BDM). Designed for automotive body electronics and industrial control, it operates across –40°C to +85°C in a 64-pin LQFP package.

For engineers reviewing the MC9S12C96CFAE datasheet, MC9S12C96CFAE pinout, MC9S12C96CFAE application, or MC9S12C96CFAE equivalent, key selection criteria include CAN interface support, BDM debug capability, Flash endurance (10K erase/write cycles), 5V I/O tolerance, and qualification per AEC-Q100 Grade 2.

Technical Context

The MC9S12C96CFAE implements the S12 CPU core with 16-bit data path and 24-bit addressing, executing instructions at up to 50 MIPS via internal PLL multiplication (e.g., 4 MHz crystal → 25 MHz bus clock). Its memory architecture includes paged Flash with EEPROM emulation, banked RAM, and configurable wait states for external bus interfacing.

Peripheral integration follows HCS12 modular design: MSCAN handles protocol framing and message buffering; ATD10B8C provides 10-bit resolution with software/hardware trigger modes; TIM16B8CV1 delivers 16-bit timer channels with input capture/output compare; and CRGV4 manages PLL lock detection, COP watchdog, and multiple reset sources including LVI.

Key Specifications

Pinout & Package

MC9S12C96CFAE is housed in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per MC9S12C Family Reference Manual Rev 01.24, Chapter 1.3.1 (Device Pinouts) and Appendix C (Package Information).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S12C96CFAE, MC9S12C128CFAE offers direct memory scalability within the same footprint, while S912XDP512J1MALR delivers architectural upgrades-co-processing, CAN FD, and larger memory-at the cost of layout and voltage compatibility.

Availability

MC9S12C96CFAE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial HVAC systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.

Supply support for MC9S12C96CFAE 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.

The MC9S12C family was designed specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications where CAN integration, debug capability, and extended temperature operation are essential.

FAQ

What is the maximum operating frequency of the MC9S12C96CFAE?

The MC9S12C96CFAE supports a maximum bus frequency of 25 MHz, achieved using its internal Phase-Locked Loop (PLL) to multiply an external crystal or oscillator input (e.g., 4 MHz → 25 MHz). The S12 CPU core executes instructions at up to 50 MIPS under this clock regime. This frequency is validated across the full –40°C to +85°C temperature range and meets AEC-Q100 Grade 2 requirements.

Does the MC9S12C96CFAE support CAN FD?

No, the MC9S12C96CFAE does not support CAN FD. It integrates the S12MSCANV2 module, which implements CAN 2.0A/B protocol only, with bit rates up to 1 Mbps and 32 message objects. CAN FD capability requires newer architectures such as the S32K or S912X families. For CAN FD migration paths, consider the S912XDP512J1MALR as a functional alternative with expanded protocol support.

How is flash programming performed on the MC9S12C96CFAE?

Flash programming on the MC9S12C96CFAE is performed via the Background Debug Module (BDM) interface using standard Freescale/NXP BDM protocols. No external programmer is required - a BDM pod (e.g., USB-ML-12) connects to BKGD and RESET pins to erase, program, and verify Flash sectors. In-application programming (IAP) is also supported using the Flash command sequence defined in the MC9S12C Reference Manual Chapter 20.

What is the ADC resolution and conversion time of the MC9S12C96CFAE?

The MC9S12C96CFAE features the ATD10B8C analog-to-digital converter with 10-bit resolution across 8 input channels. At maximum bus speed (25 MHz), the minimum conversion time is 8 µs per sample in 8-bit mode and 12 µs in 10-bit mode. Conversion can be triggered by software, timer overflow, or external event, and results are stored in dedicated result registers with configurable alignment and sign extension.

Is the MC9S12C96CFAE pin-compatible with other MC9S12C family members?

Yes, the MC9S12C96CFAE is pin-compatible with other 64-pin LQFP variants in the MC9S12C family, including MC9S12C64CFAE and MC9S12C128CFAE. All share identical pin assignments, electrical characteristics, and package dimensions (64-pin LQFP, 10 mm × 10 mm). This enables hardware reuse across memory variants - firmware and PCB layouts remain unchanged when scaling Flash capacity.