MC908AZ60ACFUE
MC908AZ60ACFUE - 8-Bit 8.4MHz 60KB MCU | NXP
The NXP Semiconductors MC908AZ60ACFUE is an 8-bit HC08 microcontroller with a 60 KB electrically erasable programmable Flash memory, 2K x 8 RAM, 52 I/O pins, and an 8.4 MHz internal bus frequency in a 64-QFP package. It is designed for embedded control systems requiring deterministic 8-bit processing, automotive-oriented connectivity modules, and broad peripheral integration. The manufacturer lists the device as End of Life, so procurement should account for lifecycle risk and availability checks.
What is an 8-bit microcontroller? An MCU is a semiconductor that combines a CPU, program memory, data memory, I/O, and peripherals on one device. The MC908AZ60ACFUE belongs to the M68HC08 family and uses the enhanced M68HC08 CPU08 architecture. This places it in the hierarchy MCU, microcontroller, embedded processor, and semiconductor. Its 60 KB Flash program memory supports embedded firmware, while the 2K x 8 RAM supports working variables, stack operations, buffers, and control state.
Key verified features include fully upward-compatible object code with the M6805, M146805, and M68HC05 families, an 8.4 MHz internal bus frequency, and a 5-bit keyboard interrupt module available in the 64-pin QFP configuration. The AZ variant also provides an MSCAN controller implementing CAN 2.0b as defined in the September 1991 Bosch specification. These features make the device relevant to automotive body, interface, and communication-control designs where legacy software compatibility remains valuable.
The device uses an internal oscillator according to the distributor specification. Its 64-QFP package provides 52 I/O pins, enabling simultaneous control of external inputs and outputs while supporting communication and peripheral functions. The verified sources identify Digi-Reel packaging, but the exact reel quantity, temperature range, voltage range, and detailed peripheral operating limits are not provided in the supplied data and must be checked against the manufacturer datasheet.
Typical application areas include automotive body-control modules, CAN-connected embedded controllers, legacy industrial equipment, keyboard-based interfaces, and compact control systems that benefit from M68HC08 software compatibility. The CAN controller is especially relevant for distributed vehicle or industrial networks, while the keyboard interrupt module supports matrix-keypad scanning and control-panel designs.
A key design consideration is lifecycle management. Because the NXP product page identifies MC908AZ60ACFUE as End of Life, engineers should not assume new production availability or long-term supply. Before committing to a redesign, verify the exact package, pinout, memory map, operating voltage, temperature range, and peripheral compatibility using the official manufacturer documentation.
This page combines the verified NXP product-page status, distributor specifications, manufacturer datasheet information, package details, and application-oriented engineering guidance. It is intended to support engineering comparison and sourcing decisions, while clearly separating confirmed data from parameters that still require datasheet review.
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