General - Texas Instruments 990 Operation Manual

Prototyping system
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945255-9701
Table 1-1 Prototyping System Part Numbers
Item
990 Prototyping System with 733 ASR Data
Terminal (packages include both
hardware and software)
8K Memory Words
12K Memory Words
16K Memory Words
20K Memory Words
24K Memory Words
990 Prototyping System without 733 ASR
Data Terminal (packages include both
hardware and software)
8K Memory Words
12K Memory Words
16K Memory Words
20K Memory Words
24K Memory Words
Prototyping System Software
Object on Tape Cassette
Source on Card Deck
Standard Control Information
Cassette
TI Part Number
945202-0001
945202-0002
945202-0003
945202-0004
945202-0005
945202-0006
945202-0007
945202-0008
945202-0009
945202-0010
943380-0001
943380-0012
943350-0001
In addition, firmware programs are located on the ROM modules for the programmer panel and
733 ASR ROM loader.
1.4.1 GENERAL. The following paragraphs discuss the capabilities and requirements of the
Prototyping System Software.
1.4.1.1 Memory Requirements. The Prototyping System expects these minimum amounts of
RAM and ROM:
4K words of user dynamic RAM
4K words of system dynamic RAM
256 words of system static RAM
256 words of system ROM containing the programmer panel and 733 ASR ROM
loader firmware.
1-6
Digital Systems Division

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