Interconnection Hardware
Interconnection hardware (called simply "Link") connects digital and analog components of HRS-100 into a single unified computer. It comprised:
- Control unit for exchange of logic signals
- Blocks of A/D and D/A converters
- 16-bit 100 μs clock generator
- Conversion channel relay block
- Power supply
Link takes commands from a digital computer component and organizes their execution via 2 32-bit data channels, 11 control channels, synchronization signals via 3 channels and 9 interrupt channels. Connection between a digital and analog computers is established through a "common-control panel" and two separate consoles. Communicating digital data with analog consoles is done through 16 control, 16 sensitivity, 16 indicator and 10 functional "lines".
Analog-to-digital conversion is achieved by a single signed 14-bit 70,000 samples/s A/D converter and a 32-channel multiplexer. Digital-to-analog conversion is achieved by 16 independent signed 14-bit D/A converters with double registers. Typical D/A conversion took 2 μs.
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