KSZ9567R_V01 datasheet(25/233 Pages) MICROCHIP

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DS00002329E-page 25

KSZ9567R

The following programming steps and register settings are for remote PHY loopback mode for 1000BASE-T Master

Mode, 1000BASE-T Slave Mode, 100BASE-TX Mode, and 10BASE-T Mode.

• 1000BASE-T Master Mode

- Set Port N (1-5), PHY 1000BASE-T Control Register = 0x1F00

- Set Port N (1-5), PHY Remote Loopback Register = 0x01F0

- Set Port N (1-5), PHY Basic Control Register = 0x1340

• 1000BASE-T Slave Mode

- Set Port N (1-5), PHY 1000BASE-T Control Register = 0x1300

- Set Port N (1-5), PHY Remote Loopback Register = 0x01F0

- Set Port N (1-5), PHY Basic Control Register = 0x1340

• 100BASE-TX Mode

- Set Port N (1-5), PHY Auto-Negotiation Advertisement Register = 0x0181

- Set Port N (1-5), PHY 1000BASE-T Control Register = 0x0C00

- Set Port N (1-5), PHY Remote Loopback Register = 0x01F0

- Set Port N (1-5), PHY Basic Control Register = 0x3300

• 10BASE-T Mode

- Set Port N (1-5), PHY Auto-Negotiation Advertisement Register = 0x0061

- Set Port N (1-5), PHY 1000BASE-T Control Register = 0x0C00

- Set Port N (1-5), PHY Remote Loopback Register = 0x01F0

- Set Port N (1-5), PHY Basic Control Register = 0x3300

FIGURE 4-2:

REMOTE PHY LOOPBACK

RJ-45

Switch

Fabric

MAC

10/100/1000

PHY

Device PHY Port N

CAT-5

(UTP)

RJ-45

Ethernet PHY

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