NXP Semiconductors MC9S08AC60MFJE

Overview

MC9S08AC60MFJE from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 60 KB on-chip FLASH, 2 KB RAM, and a 40-MHz CPU core operating at up to 20-MHz bus frequency. It integrates dual SCI modules supporting LIN 2.0 and SAE J2602, a 16-channel 10-bit ADC, and three timer/PWM modules - deployed in automotive body control modules, industrial sensor interfaces, and entry-level motor control systems.

For engineers reviewing the MC9S08AC60MFJE datasheet, MC9S08AC60MFJE pinout, MC9S08AC60MFJE application, or MC9S08AC60MFJE equivalent, key selection criteria include FLASH security options, QFN-48 package compatibility, COP watchdog independence from bus clock, I²C support up to 100 kbps, and hardware CRC acceleration for firmware integrity verification.

Technical Context

The MC9S08AC60MFJE implements the HCS08 CPUV2 core with HC08 instruction set extension including BGND, enabling in-circuit debugging via background debug mode (BDM). Its internal clock generator (ICG) supports precision NVM-trimmed internal reference, crystal, resonator, or external clock inputs - all configurable without external components.

Peripherals are memory-mapped and synchronized to the internal bus clock. The dual SCI modules each support master extended break generation and slave extended break detection for robust LIN communication; the I²C module includes 10-bit address extension and operates under full bus loading conditions at standard-mode speeds.

Key Specifications

Pinout & Package

MC9S08AC60MFJE is housed in a 48-pin QFN (Quad Flat No-Lead) package with exposed thermal pad (98ASA00466D), measuring 7 mm × 7 mm × 1 mm. This copper-wire QFN variant replaces earlier gold-wire versions and requires solder paste stencil optimization per EB806 guidelines.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller applications.

Compared with MC9S08AC60MFJE, S9KEAZN64AMLH offers higher performance and modern peripherals at the cost of LIN-native support, while MC9S08DZ60CLC adds CAN and precision analog features in a physically larger package - both require PCB redesign and firmware adaptation.

Availability

MC9S08AC60MFJE is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, entry-level motor drives, and smart appliance control panels requiring stable component supply and long-term lifecycle support.

Supply support for MC9S08AC60MFJE 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 roots in Freescale's microcontroller heritage.

The MC9S08AC60MFJE belongs to the HCS08 family - designed specifically for cost-sensitive, low-power embedded control in automotive and industrial environments where LIN compliance, FLASH security, and debug accessibility are essential.

FAQ

What is the package type and thermal pad configuration of the MC9S08AC60MFJE?

The MC9S08AC60MFJE uses a 48-pin QFN package (98ASA00466D) with an exposed thermal pad. This copper-wire variant replaces legacy gold-wire QFNs and requires adherence to EB806 guidelines for solder paste volume and reflow profile to ensure reliable thermal and electrical connection to the PCB ground plane. The MC9S08AC60MFJE thermal pad must be soldered to a solid copper pour for optimal heat dissipation and signal integrity.

Does the MC9S08AC60MFJE support LIN 2.0 without external transceivers?

The MC9S08AC60MFJE integrates dual SCI modules with native LIN 2.0 and SAE J2602 protocol support, including master extended break generation and slave extended break detection. However, it does not include a physical-layer LIN transceiver; an external LIN transceiver IC (e.g., TJA1020) is required for bus-level compliance. The MC9S08AC60MFJE handles all protocol framing, checksum calculation, and wake-up detection in firmware or hardware assist mode.

How is FLASH security implemented on the MC9S08AC60MFJE?

FLASH security on the MC9S08AC60MFJE is controlled via the FOPT and NVOPT registers, enabling selective protection of memory blocks against read-out or erase. Once secured, debug access is disabled unless unsecured via a specific mass-erase sequence requiring valid backdoor key values. The MC9S08AC60MFJE supports field firmware updates only through a secure bootloader residing in unprotected FLASH - preventing unauthorized code injection while preserving intellectual property.

Can the MC9S08AC60MFJE operate from an internal clock source only?

Yes, the MC9S08AC60MFJE can operate entirely from its internal clock generator (ICG), which provides a factory-trimmed internal reference with optional NVM-based fine-tuning. The ICG supports multiple clock sources including internal RC oscillator, crystal, resonator, or external clock - and allows dynamic switching between sources. The MC9S08AC60MFJE achieves ±2% accuracy over temperature and voltage when using trimmed internal reference, eliminating need for external crystal in cost-sensitive applications.

What power-saving modes are available on the MC9S08AC60MFJE and how do they affect peripherals?

The MC9S08AC60MFJE supports Wait, Stop2, and Stop3 modes. In Stop2, the ICG stops but RTC and LVD remain active; in Stop3, only LVD and COP (if clocked independently) stay functional. Peripherals like ADC, SCI, and TPM are disabled unless explicitly enabled for wake-up. The MC9S08AC60MFJE retains RAM contents and register states across all modes, and wake-up sources include IRQ, KBI, RTC, and LVD events - enabling sub-µA standby current in battery-operated systems.