NXP Semiconductors S9S12G64F0CLFR

Overview

S9S12G64F0CLFR from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 64 KB on-chip Flash with ECC, 4 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports -40°C to +125°C ambient temperature, and includes 10-bit ADC (8-channel), PWM (8-channel), and BDM debug interface. It is used in engine control units, body electronics, and transmission control modules.

For engineers reviewing the S9S12G64F0CLFR datasheet, S9S12G64F0CLFR pinout, S9S12G64F0CLFR application, or S9S12G64F0CLFR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, CAN bus integration, Flash memory endurance (100k erase/write cycles), and availability of production-ready mask set 0K17D.

Technical Context

The S9S12G64F0CLFR implements the S12 CPU12 core with 16-bit data path and 24-bit addressing, supporting both single-chip and expanded multiplexed bus modes. Its clock system integrates an internal RC oscillator (1–8 MHz), external crystal input (1–32 MHz), and PLL for scalable system clock generation up to 50 MHz bus speed.

Memory protection is enforced via background debug security lock and flash block write protection. Peripheral integration includes MSCAN with programmable message buffers, TIM16B8CV3 timer module with input capture/output compare, and ADC10B8CV2 with configurable sample-and-hold and external trigger support.

Key Specifications

Pinout & Package

64-pin LQFP package (package code LQFP64) with exposed thermal pad. Pin assignments follow MC9S12G64-specific mapping per Appendix D of MC9S12G Family Reference Manual Rev.1.28.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S9S12G64F0MLFR, the S9S12G64F0CLFR provides guaranteed operation at +125°C for under-hood deployment; versus S9S12G128F0CLFR, it offers lower cost and smaller footprint where 64 KB Flash suffices for production firmware size.

Availability

S9S12G64F0CLFR is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across automotive production lifecycles.

Supply support for S9S12G64F0CLFR 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The S9S12G64F0CLFR belongs to the MC9S12G microcontroller family, designed specifically for cost-sensitive, high-reliability automotive applications including powertrain, chassis, and body electronics where AEC-Q100 compliance and long-term supply stability are mandatory.

FAQ

What is the maximum operating frequency of the S9S12G64F0CLFR?

The S9S12G64F0CLFR supports a maximum core frequency of 25 MHz, with bus speeds scalable up to 50 MHz using the internal PLL. This is confirmed in Section 1.4 "Key Performance Parameters" of the MC9S12G Family Reference Manual Rev.1.28, and applies specifically to the S9S12G64F0CLFR mask set 0K17D. The device achieves this performance while maintaining AEC-Q100 Grade 1 qualification across its full temperature range.

Does the S9S12G64F0CLFR include hardware CAN support?

Yes, the S9S12G64F0CLFR integrates one fully compliant MSCAN 2.0B controller (Chapter 18 of MC9S12G Family Reference Manual Rev.1.28). It features 16 message buffers, programmable acceptance filtering, automatic retransmission, and loopback test mode. The CANH and CANL pins are dedicated, requiring only external termination and common-mode choke for ISO 11898-2 physical layer compliance.

What debug interface does the S9S12G64F0CLFR support?

The S9S12G64F0CLFR supports the Background Debug Module (BDM) interface using a single-wire serial protocol (Chapter 7 of MC9S12G Family Reference Manual Rev.1.28). This enables non-intrusive real-time debugging, flash programming, and memory inspection without halting CPU execution. No JTAG or SWD interface is present - BDM is the sole standardized debug method for this device.

Is the S9S12G64F0CLFR qualified for automotive use?

Yes, the S9S12G64F0CLFR is AEC-Q100 qualified Grade 1 (−40°C to +125°C), as documented in Appendix A "Electrical Characteristics" of the MC9S12G Family Reference Manual Rev.1.28. It meets automotive reliability, ESD, and EMC requirements for powertrain and chassis applications, and is supported by NXP's long-term supply program for automotive customers.

What is the Flash endurance specification for the S9S12G64F0CLFR?

The S9S12G64F0CLFR specifies 100,000 erase/write cycles for its 64 KB on-chip Flash memory, with ECC protection for single-bit error correction and double-bit error detection. This value is explicitly stated in Section 1.3.2 "On-Chip Flash with ECC" and Table A-14 of Appendix A in the MC9S12G Family Reference Manual Rev.1.28, and applies to the S9S12G64F0CLFR mask set 0K17D.