KSZ8893FQL datasheet(69/109 Pages) MICROCHIP

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KSZ8893FQL

DS00003038B-page 68

 2019 Microchip Technology Inc.

TABLE 4-9:

TS-1000 MEDIA CONVERTER REGISTERS

Bit

Name

R/W

Description

Default

7-5

Number of Indica-

tion OAM frame(s)

R/W

Set the number of Indication OAM frame(s) to be

transmitted for a single OAM status change. This set-

ting is applicable to only the following three OAM

frames: Indicate Center MC Condition, Indicate Ter-

minal MC Condition, and Loop Mode Stop Indication.

000 : send 1 OAM frame

001 : send 2 OAM frames

010 : send 3 OAM frames

011 : send 4 OAM frames

100 : send 5 OAM frames

101 : N/A

110 : N/A

111 : N/A

000

Addr4

R/W

These 5-bits set the PHY addresses for port 1 and

port 2.

00000 : N/A

00001 : Port 1 PHY address is 0x1

00010 : Port 1 PHY address is 0x2

…

11101 : Port 1 PHY address is 0x29

11110 : N/A

11111 : N/A

Port 2 PHY address = (Port 1 PHY address) + 1

Note:

In Center side MC mode (pins MCHS,MCCS] = [0,1]),

a write to these bits with port 1’s PHY address is

required to enable port 1 and start the Center side

MC.

Addr3

R/W

Addr2

R/W

Addr1

R/W

Addr0

R/W

BUSY

1 = Indicate MC loop back mode in progress, or

receive reply frame/timeout is pending

0 = Exclude the above situations

Vendor mode

R/W

1 = Non special vendor mode

0 = Special vendor mode (compare My & LNK Partner

Vendor Info = 0x009099h)

5-3

Reserved

Do not change the default values.

000

Option b

R/W

1 = Clear status bits S6 to S10 to zero on Terminal

MC side

0 = Normal operation – supporting option b

Option a

R/W

1 = Disable “Indicate Center MC Condition” frame

0 = Enable “Indicate Center MC condition” frame

Request

1 = indicate change of status/value in registers #

0x50h, 0x51h, 0x58h, 0x59h, 0x5Dh, 0x5Eh, 0x5Fh.

This bit is self-cleared after a read.

0 = exclude the above situations

Note: Register 65 is managed by the Center side.

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