KSZ9563RNXC datasheet(112/226 Pages) MICROCHIP

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KSZ9563R

DS00002419D-page 112

 2017-2018 Microchip Technology Inc.

5.1.6.14

Global PTP Unit Index Register

This register is used to index the GPIO pin, timestamp unit and trigger unit for accesses to PTP registers in the address

range of 0x052C to 0x05B3. The GPIO pin, timestamp unit and trigger unit selected in this register will be the units that

are read/written when accessing these registers.

5.1.6.15

GPIO Status Monitor 0 Register

Address:

0x0520 - 0x0523

Size:

32 bits

Bits

Description

Type

Default

31:20

RESERVED

000h

19:17

RESERVED

R/W

000b

GPIO Index Pointer (GPIO_PTR_INDEX)

This bit points to the control registers of GPIO pin.

1 = Pin GPIO_2

0 = Pin GPIO_1

R/W

15:12

RESERVED

0000b

11:9

RESERVED

R/W

000b

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

Address:

0x0524 - 0x0527

Size:

32 bits

Bits

Description

Type

Default

31:19

RESERVED

0x000

18:16

Event Trigger Output Error (TRIGGER_ERROR)

(Bit 18 = Trigger Unit 2, Bit 17 = Trigger Unit 1, Bit 16 = Trigger Unit 0)

1 = The event trigger time is set earlier than the system time clock when the

TRIGGER_NOTIFY bit is set to “1” in the Trigger Output Unit Control 1 Regis-

ter and will generate an interrupt to the host. This bit can be cleared by reset-

ting the TRIGGER_EN bit to “0” in the Timestamp Control and Status

0 = No event trigger error.

R/W1C

000b

15:3

RESERVED

0x000

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