FREESCALE SEMICONDUCTOR MC68HC908JL8/MC68HC908JK8/MC68HC908KL8/MC68HC08JL8/MC68HC08JK8 M68HC08 Microcontrollers handbook

About this manual

This Freescale datasheet provides a comprehensive description of the MC68HC908 family of 8‑bit microcontrollers, covering device architecture, memory organization, CPU core, and peripheral modules such as timers, serial communications, ADC, and interrupt controllers. It includes detailed register maps, block diagrams, and timing information for developers and system designers.

The document also lists electrical and mechanical specifications, ordering information, and appendices for related parts. Revision history and contact details for Freescale technical support are provided, with a note that the latest version is available on the Freescale website.

What's inside

• General Description
• Memory
• Configuration and Mask Option Registers
• Central Processor Unit (CPU)
• System Integration Module (SIM)
• Oscillator (OSC)
• Serial Communications Interface (SCI)
• Analog-to-Digital Converter (ADC)
• Input/Output (I/O) Ports
• Electrical Specifications

Frequently asked questions

What revision and date does this datasheet have?

The datasheet is Revision 3.1, dated March 2005.

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

The latest version is available on Freescale’s website at http://www.freescale.com.

What trademark is associated with this document?

Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc.