LAN83C175 Datasheet, PDF (67/92 Pages) SMSC Corporation – Ethernet CARDBUS Integrated Controller With Modem Support

1 - STSCHG: When this signal is true, it
indicates that RDYM or RINGIN have
transitioned from 0 to 1. It is reset by writing a 1
to this register location.
0 - WP: Write protect is not used, and 0 is
returned in this bit location.
94 - Modem Function Force Event Register
31 through 16 - Unused.
15 - FRC_INTR_M: Writing this location with a
1 sets the modem function event register bit 15
to a 1.
14 through 2 -Unused.
1 - FRC_STSCHG: Writing this location with a 1
sets the modem function event register bit 1 to a
1.
0 - Unused.
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