dp83846a National Semiconductor Corporation, dp83846a Datasheet - Page 41

• Manufacturer Part Number: dp83846a
• Description: Dsphyter ? Single 10/100 Ethernet Transceiver
• Manufacturer: National Semiconductor Corporation

15:12
4:0
Bit
11
10
9
8
7
6
5
PHYADDR[4:0]
BIST_STATUS
BP_STRETCH
BIST_START
PAUSE_STS
RESERVED
LED_CNFG
Bit Name
PSR_15
Unused
Table 21. PHY Control Register (PHYCTRL), address 0x19
Strap, RW
Strap, RW
0, RO/LL
1, RO/P
Default
0, RW
0, RW
0, RW
0, RO
0, RO
BIST Sequence select:
1 = PSR15 selected.
0 = PSR9 selected.
BIST Test Status:
1 = BIST pass.
0 = BIST fail. Latched, cleared by write to BIST_ START bit.
BIST Start:
1 = BIST start.
0 = BIST stop.
Bypass LED Stretching:
This will bypass the LED stretching for the Receive, Transmit and
Collision LEDs.
1 = Bypass LED stretching.
0 = Normal operation.
Pause Compare Status:
0 = Local Device and the Link Partner are not Pause capable.
1 = Local Device and the Link Partner are both Pause capable.
Reserved: Must be 1.
This bit is used to bypass the selective inversion on the LED output
for DPLX - this enables its use in non-LED applications.
1 = Led polarity adjusted - DPLX selected.
0 = DPLX active HIGH.
PHY Address: PHY address for port.
41
Mode Description
Description
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