Sharp LH79524 - Network Status Register (NETSTATUS); Table 6-10. NETSTATUS Register; Table 6-11. NETSTATUS Fields

Ethernet MAC Controller LH79524/LH79525 User’s Guide
6-24 Version 1.0
6.3.2.3 Network Status Register (NETSTATUS)
The NETSTATUS register is a read-only register that reports status of the PHY and MDIO.
Table 6-10. NETSTATUS Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD ///
PHYIDLE
MDIOINSTAT
///
RESET 00000000000001——
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
ADDR 0xFFFC7000 + 0x08
Table 6-11. NETSTATUS Fields
BITS NAME FUNCTION
31:3 /// Reserved Reading returns 0. Write the reset value.
2PHYIDLE
PHY Logic Idle The PHY management logic is idle (i.e. has completed).
1 = PHY Management Logic is idle
0 = PHY Management Logic is active
1 MDIOINSTAT
ETHERMDIO Input Status Returns status of the ETHERMDIO pin. Use
the PHY Maintenance register for reading managed frames rather than
this bit.
1 = ETHERMDIO pin is HIGH
0 = ETHERMDIO pin is LOW
0///Reserved Reading returns undetermined values. Write 0.