KSZ8795CLX
TABLE 4-4:
Address
PORT REGISTERS (CONTINUED)
Name
Description
Mode
Default
Register 24 (0x18): Port 1 Status 0
Register 40 (0x28): Port 2 Status 0
Register 56 (0x38): Port 3 Status 0
Register 72 (0x48): Port 4 Status 0
Register 88 (0x58): Reserved
7 - 6
5-4
Reserved
N/A Don’t Change.
RO
RO
0000
00
Partner_Flow_Control_- These bits indicate the partner capability for both
Capable
the optional MAC control sub-layer and the PAUSE
function as specified in IEEE Clause 31 and Annex
31B for full duplex operation independent to rate
and medium.
00 = No pause
01 = Symmetric PAUSE
10 = Asymmetric PAUSE toward link partner
toward link partner
11 = Both Symmetric PAUSE and Asymmetric
PAUSE toward local devices
3
2
1
0
Partner 100BT Full-
Duplex Capability
1 = Link partner 100BT full-duplex capable.
0 = Link partner not 100BT full-duplex capable.
RO
RO
RO
RO
0
0
0
0
Partner 100BT Half-
Duplex Capability
1 = Link partner 100BT half-duplex capable.
0 = Link partner not 100BT half-duplex capable.
Partner 10BT Full-
Duplex Capability
1 = Link partner 10BT full-duplex capable.
0 = Link partner not 10BT full-duplex capable.
Partner 10BT Half-
Duplex Capability
1 = Link partner 10BT half-duplex capable.
0 = Link partner not 10BT half-duplex capable.
Register 25 (0x19): Port 1 Status 1
Register 41 (0x29): Port 2 Status 1
Register 57 (0x39): Port 3 Status 1
Register 73 (0x49): Port 4 Status 1
Register 89 (0x59): Reserved
(Note 4-1)
7
HP_MDIX
1 = HP Auto MDI/MDI-X Mode
R/W
1
0 = Microchip Auto MDI/MDI-X Mode
6
5
Factory Testing
Polrvs
N/A Don’t Change.
RO
RO
0
0
1 = Polarity is reversed
0 = Polarity is not reversed
4
3
2
1
0
Transmit Flow Control 1 = Transmit flow control feature is active
RO
RO
RO
RO
RO
0
0
0
0
0
Enable
0 = Transmit flow control feature is inactive
Receive Flow Control
Enable
1 = Receive flow control feature is active
0 = Receive flow control feature is inactive
Operation Speed
Operation Duplex
Reserved
1 = Link speed is 100 Mbps
0 = Link speed is 10 Mbps
1 = Link duplex is full
0 = Link duplex is half
N/A Don’t Change.
2016 Microchip Technology Inc.
DS00002112A-page 59
MICREL [ MICREL SEMICONDUCTOR ]
