DS80C390_00 Datasheet, PDF (1/155 Pages) Dallas Semiconductor – High-Speed Microcontroller User’s Guide Supplement

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DS80C390
High-Speed Microcontroller
User’s Guide Supplement
ADDENDUM TO SECTION 1: INTRODUCTION
This document is provided as a supplement to the High-Speed Microcontroller User’s Guide, covering
new or modified features specific to the DS80C390. This document must be used in conjunction with
the High-Speed Microcontroller User’s Guide, available from Dallas Semiconductor. Addenda are
arranged by section number, which correspond to sections in the High-Speed Microcontroller User’s
Guide.
The following additions and changes, with respect to the High-Speed Microcontroller User’s Guide, are
contained in this document. This document is a work in progress, and updates/additions will be added
when available.
Section 1: Introduction
No Changes.
Section 2: Ordering Information
Information on new members of the High-Speed Microcontroller family has been added.
Section 3: Architecture
No Changes. Information containing new architectural features is contained in the DS80C390 Data Sheet.
Section 4: Programming Model
Descriptions of the DS80C390 memory map are included, as well as new/modified Special Function
Registers.
Section 5: CPU Timing
Descriptions of the clock multiply modes have been added.
Section 6: Memory Access
Descriptions of the 22-bit expanded address capability have been added.
Section 7: Power Management
Clarified function of ring oscillator and removal of PMM1.
Section 8: Reset Conditions
TBD
Section 9: Interrupts
TBD
Section 10: Parallel I/O
Descriptions of changes to the I/O characteristics of ports 1, 4, and 5 has been added.
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