Datasheet
37 www.national.com
DP83847
5.2 Extended Registers
This register provides a single location within the register set for quick access to commonly accessed information.
Table 16. PHY Status Register (PHYSTS), address 0x10
Bit Bit Name Default Description
15:14 RESERVED 0, RO RESERVED: Write ignored, read as 0.
13 Receive Error Latch 0, RO/LH Receive Error Latch:
This bit will be cleared upon a read of the RECR register.
1 = Receive error event has occurred since last read of RXERCNT
(address 0x15, Page 0).
0 = No receive error event has occurred.
12 Polarity Status 0, RO Polarity Status:
This bit is a duplication of bit 4 in the 10BTSCR register. This bit will
be cleared upon a read of the 10BTSCR register, but not upon a
read of the PHYSTS register.
1 = Inverted Polarity detected.
0 = Correct Polarity detected.
11 False Carrier Sense
Latch
0, RO/LH False Carrier Sense Latch:
This bit will be cleared upon a read of the FCSR register.
1 = False Carrier event has occurred since last read of FCSCR (ad-
dress 0x14).
0 = No False Carrier event has occurred.
10 Signal Detect 0, RO/LL 100Base-TX unconditional Signal Detect from PMD.
9 Descrambler Lock 0, RO/LL 100Base-TX Descrambler Lock from PMD.
8 Page Received 0, RO Link Code Word Page Received:
This is a duplicate of the Page Received bit in the ANER register,
but this bit will not be cleared upon a read of the PHYSTS register.
1 = A new Link Code Word Page has been received. Cleared on
read of the ANER (address 0x06, bit 1).
0 = Link Code Word Page has not been received.