Intellivision III Target Specification

The Target Specification Intellivision III is Mattel Electronics' preliminary design specification for the Intellivision III, a console that was cancelled in 1983 and never sold. It is a ten-page typed document, undated, stamped "Mattel Confidential" and "Company Confidential", with handwritten notes on the feature list. The Internet Archive item it comes from, in the collection of David P. Chandler, dates it to 1982 from related documents.

Contents

The document has no contents list or page numbers. In PDF page order:

1. Title page: "Preliminary – Target Specification – Intellivision III", with an empty "written / approved" block.
2. Feature list ("Objectives") and "Scope".
3. "System Overview" and "System Description": the CP1610-2 processor, the STIC 1B graphics chip and system memory sharing one bus, the eight-cycle bus sequence and the 65K-word memory map.
4. "Enhanced Mode" and "Intellivision III Compatible Mode". The text refers to bus diagrams in Figures 1 and 2, which are not in this copy.
5. "Circuit Descriptions": the CP1610-2 and the STIC 1B.
6. "System ROM", "Section A" (fallback to conventional ROMs) and "RAM Requirement".
7. "Manual Interface" and "Section B" (hand controllers).
8. "Background Detail": cards, resolution and colour palettes.
9. "Foreground Detail": moving objects and collision detection.
10. "Electrical Characteristics" for the custom LSI devices.

What this document does not contain

It is a target specification, not a description of finished hardware. There are no schematics, pin assignments, board layouts or parts lists, the bus diagrams it refers to as Figures 1 and 2 are missing, and some object figures are left as "TBD".

Pages that cite this document

• Intellivision III: the planned processor, memory, graphics, sound and controller design.

Download: Mattel Target Specification Intellivision III.pdf