KSZ9567R datasheet(119/233 Pages) MICROCHIP

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DS00002329E-page 119

KSZ9567R

5.1.6.13

Global PTP Domain and Version Register

5.1.6.14

Global PTP Unit Index Register

This register is used to index the timestamp unit and trigger unit for accesses to PTP registers in the address range of

0x052C to 0x05B3. The timestamp and trigger units selected in this register will be the units that are read/written when

accessing these registers.

Address:

0x0518 - 0x0519

Size:

16 bits

Bits

Description

Type

Default

15:12

RESERVED

0x0

11:8

PTP Version

This is the value of the PTP message version number field. All PTP

messages will be captured when the receive message version matches the

value in this field.

All PTP packets will be dropped if the receive PTP message version does

not match the value in this field, except for

R/W

0x2

7:0

PTP Domain

This is the value of the PTP message domain number field. If domain

checking is enabled (Global PTP Message Config 2 Register, bit 4), the

timestamp capture will be enabled when the receive PTP message domain

number matches the value in this field. If domain checking is not enabled,

the domain number field will be ignored.

R/W

0x00

Address:

0x0520 - 0x0523

Size:

32 bits

Bits

Description

Type

Default

31:9

RESERVED

0x00000

Timestamp Unit Index Pointer (TS_PTR_INDEX)

This bit points to the unit/set registers of the timestamp.

1 = Timestamp Unit 1

0 = Timestamp Unit 0

R/W

7:2

RESERVED

000000b

1:0

Trigger Unit Index Pointer (TRIGGER_PTR_INDEX)

This bit points to the unit/set registers of the trigger.

11 = RESERVED

10 = Trigger Unit 2

01 = Trigger Unit 1

00 = Trigger Unit 0

R/W

00b

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