serial interface adapter (sia).
0.005% crystal or an external TTL-level input as a reference, which will achieve a transmit accuracy of 0.01% (no external adjustments are required). Transmission is enab.
The Am7992B Serial Interface Adapter (SIA) is a Manchester encoder/decoder compatible with IEEE 802.3, Cheapernet, and Ethernet specifications. In an IEEE 802.3/Ethernet application, the Am7992B interfaces the Am7990 Local Area Network Controller for .
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