KSZ8563R datasheet(54/221 Pages) MICROCHIP

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KSZ8563R

DS00002418D-page 54

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4.9.3.1

Standard MIIM Registers (Direct)

Standard registers provide direct read/write access to a 32-register address space, as defined in Clause 22 of the IEEE

802.3 Specification. Within this address space, the first 16 registers (Registers 0h to Fh) are defined according to the

IEEE specification, while the remaining 16 registers (Registers 10h to 1Fh) are defined specific to the PHY vendor.

The KSZ8563R supports the standard registers listed in Table 4-26 for each PHY port. Each 16-bit MIIM Standard Reg-

ister Address maps to two corresponding 8-bit Port N Register Addresses. The register bit map and description are

located at the 8-bit Port N Register Addresses.

4.9.3.2

MDIO Manageable Device (MMD) Registers (Indirect)

The MIIM interface provides indirect access to a set of MMD registers as defined in Section 5.4, "MDIO Manageable

Device (MMD) Registers (Indirect)," on page 190.

TABLE 4-26:

STANDARD MIIM REGISTERS

MIIM Standard

(hex)

Port N

(hex)

Description

IEEE-Defined Registers

0xN100 - 0xN101

PHY Basic Control Register

0xN102 - 0xN103

PHY Basic Status Register

0xN104 - 0xN105

PHY ID High Register

0xN106 - 0xN107

PHY ID Low Register

0xN108 - 0xN109

PHY Auto-Negotiation Advertisement Register

0xN10A - 0xN10B

PHY Auto-Negotiation Link Partner Ability Register

0xN10C - 0xN10D

PHY Auto-Negotiation Expansion Status Register

0xN10E - 0xN10F

PHY Auto-Negotiation Next Page Register

0xN110 - 0xN111

PHY Auto-Negotiation Link Partner Next Page Ability Register

Bh-Ch

RESERVED

0xN11A - 0xN11B

PHY MMD Setup Register

0xN11C - 0xN11D

PHY MMD Data Register

Vendor-Specific Registers

10h

RESERVED

11h

0xN122 - 0xN123

PHY Remote Loopback Register

12h

0xN124 - 0xN125

PHY LinkMD Register

13h

0xN126 - 0xN127

PHY Digital PMA/PCS Status Register

14h

RESERVED

15h

0xN12A - 0xN12B

Port RXER Count Register

16h-1Ah

RESERVED

1Bh

0xN136 - 0xN137

Port Interrupt Control / Status Register

1Ch

0xN138 - 0xN139

PHY Auto MDI / MDI-X Register

1Dh-1Eh

RESERVED

1Fh

0xN13E - 0xN13F

PHY Control Register

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