MOTOROLA MC68HC908QY4/MC68HC908QT4/MC68HC908QY2/MC68HC908QT2/MC68HC908QY1/MC68HC908QT1 M68HC08 Microcontrollers handbook

About this manual

The MC68HC908QY/QT family data sheet provides a comprehensive description of Motorola's 8‑bit microcontrollers, including the QY4, QT4, QY2, QT2, QY1 and QT1 variants. It outlines the device architecture, memory organization, peripheral modules such as ADC, timer, interrupt controllers, and low‑voltage inhibit, as well as detailed pin assignments and package options.

The document also contains revision history, ordering information, mechanical drawings, and electrical specifications needed by system designers and software implementers. The latest revision (Rev. 3.0, January 2004) can be accessed via Motorola's semiconductor website.

What's inside

• General Description
• Memory
• Analog-to-Digital Converter (ADC)
• Auto Wakeup Module (AWU)
• Configuration Register (CONFIG)
• Computer Operating Properly (COP)
• Central Processor Unit (CPU)
• External Interrupt (IRQ)
• Keyboard Interrupt Module (KBI)
• Low-Voltage Inhibit (LVI)

Specifications

Frequently asked questions

What is the revision number of this data sheet?

The data sheet is revision 3.0, dated January 2004.

Where can I find the most up‑to‑date version of this document?

The latest revision is available on Motorola's semiconductor website at http://motorola.com/semiconductors.