NXP Semiconductors MC908GR60ACFAE

Overview

MC908GR60ACFAE from Freescale Semiconductor is an 8-bit HCS08-core microcontroller with 60 KB on-chip Flash memory, 2 KB RAM, integrated 10-bit ADC (24-channel), dual ESCI serial interfaces, and PLL-based clock generation. It operates at up to 8 MHz bus frequency, supports LIN 2.0-compliant communication via ESCI, and targets automotive body electronics and industrial control modules requiring robust EEPROM emulation and low-voltage operation down to 2.7 V.

For engineers reviewing the MC908GR60ACFAE datasheet, MC908GR60ACFAE pinout, MC908GR60ACFAE application, or MC908GR60ACFAE equivalent, this page delivers verified technical context, validated pin functions, real-world use cases in LIN gateway and sensor interface designs, and two confirmed alternative parts with documented functional alignment and key trade-offs.

Technical Context

The MC908GR60ACFAE implements the HCS08 CPU core with enhanced addressing modes and a 16-level hardware stack. Its Clock Generator Module (CGM) integrates a crystal oscillator, PLL with programmable multiplier (×1 to ×32), and automatic acquisition/lock logic enabling stable 8 MHz bus clocks from low-frequency crystals (e.g., 32.768 kHz).

It features two independent Enhanced Serial Communications Interfaces (ESCI) supporting asynchronous UART, LIN 2.0 master/slave, and break detection; a 24-input 10-bit ADC with configurable sample time and result justification; and a System Integration Module (SIM) managing reset, interrupt arbitration, and low-power mode transitions including Stop and Wait modes with wake-up on IRQ, KBI, or timer events.

Key Specifications

Pinout & Package

MC908GR60ACFAE is housed in a 64-pin QFP (Quad Flat Package) with 0.5 mm lead pitch, JEDEC MS-026 compliant, thermal pad exposed on underside for enhanced heat dissipation in automotive under-hood environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08DZ60 and MC9S08AC60, the MC908GR60ACFAE uniquely balances dual ESCI LIN support, Flash-2 EEPROM emulation, and KBI wake-up in a mature automotive-qualified platform-making it optimal for multi-peripheral body electronics where CAN is absent and robust nonvolatile parameter storage is critical.

Availability

MC908GR60ACFAE is available at Aetrix Electronics and suitable for automotive body control units, industrial sensor interfaces, LIN gateway nodes, and smart actuator controllers requiring stable component supply across extended temperature ranges (–40 °C to +125 °C).

Supply support for MC908GR60ACFAE 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

Freescale Semiconductor (now part of NXP Semiconductors) is a global leader in automotive, industrial, and networking microcontrollers, known for high-reliability silicon and long-term product longevity commitments.

The MC908GR60ACFAE belongs to the HCS08 GR-series microcontrollers, designed specifically for cost-sensitive, functionally safe automotive body electronics and industrial control applications demanding LIN compliance, EEPROM-like data retention, and extended temperature operation.

FAQ

What is the maximum bus frequency supported by the MC908GR60ACFAE?

The MC908GR60ACFAE supports a maximum bus frequency of 8 MHz, achieved via its integrated PLL-based Clock Generator Module (CGM) that multiplies input crystal frequencies (e.g., 32.768 kHz or 4 MHz) using programmable dividers and multipliers. This 8 MHz bus clock drives all peripherals-including the ADC, ESCI, and timers-with deterministic timing for real-time control loops in automotive applications.

Does the MC908GR60ACFAE include hardware support for LIN 2.0 communication?

Yes, the MC908GR60ACFAE includes two Enhanced Serial Communications Interface (ESCI) modules, each fully compliant with LIN 2.0 specifications. Each ESCI supports hardware-generated sync fields, identifier handling, checksum calculation (classic and enhanced), and break detection-enabling both master and slave roles without CPU intervention during frame transmission or reception.

How does the MC908GR60ACFAE handle EEPROM emulation?

The MC908GR60ACFAE uses its dedicated 4 KB Flash-2 memory partition to emulate EEPROM functionality. Firmware libraries provided by Freescale implement wear leveling, atomic write operations, and error detection-achieving >100,000 write cycles and data retention exceeding 10 years at 85 °C. This eliminates need for external EEPROM in space-constrained automotive modules.

What low-power modes are available on the MC908GR60ACFAE, and how do they differ?

The MC908GR60ACFAE supports Wait and Stop modes. In Wait mode, the CPU halts but peripherals remain clocked, allowing wake-up via IRQ, KBI, or timer interrupts. In Stop mode, all clocks stop except optional RTC and LVI circuits; wake-up occurs on RST, IRQ, KBI, or specific peripheral events. Both modes retain RAM contents if VDD stays ≥ 2.7 V.

Is the MC908GR60ACFAE pin-compatible with other members of the GR-series?

The MC908GR60ACFAE shares the same 64-pin QFP (CFAE) package and core pinout with MC908GR48ACFAE and MC908GR32ACFAE, enabling footprint compatibility across the GR-series. However, peripheral enablement differs: only the GR60 variant includes both ESCI modules and full 24-channel ADC support-requiring firmware and layout validation before substitution.