Texas Instruments 990 Maintenance Manual page 7

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LIST OF ILLUSTRATIONS (Continued)
Titie
Model 990/4 Computer Hot Mock-up System
Model 990/10 Computer Hot Mock-up System
Transmit Go Flag Timing . . .
Transmit Shift Clock Generation
Transmit Bit Counter Signals
Transmit Shift Register Signals
Receive Shift Clock Signals
Receive Bit Counter Signals .
LIST OF TABLES
Title
TTY /EIA Terminal Interface Module Electrical Characteristics
Jumper Schedule
TTY /EIA Terminal Interface Module Output Command Signals
TTY /EIA Terminal Interface Module Input Status Signals
Status Transitions Affecting New Status Flag
DATACLK Baud Rate Selection . . . . . . . .
Active Address Decoder Output for CRUBIT,12-15
Muitipiexer Output for CRUBIT,12-15
Troubleshooting Procedures
Baud Rate Clock Signals
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Digital Systems Division