VSC8504-02 datasheet(87/131 Pages) MICROSEMI

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Registers

VMDS-10507 VSC8504-02 Datasheet Revision 4.2

4.5.14

Fiber Media CRC Error Counter

received on the Fiber media interface. The following table shows the expected readouts.

4.6

General Purpose Registers

Accessing the general purpose register space is similar to accessing the extended page registers. Set

To restore main register page access, write 0x0000 to register 31.

The following table lists the addresses and register names in the general purpose register page space.

These registers are accessible only when the device register 31 is set to 0x0010. All general purpose

Table 73 •

Fiber Media CRC Error Counter, Address 29E3 (0x1D)

Bit

Name

Access Description

Default

15:8 Reserved

Reserved.

7:0

Fiber Media CRC

error counter

Self-clearing bit. CRC error counter for packets

received on the Fiber media interface. The value

saturates at 0xFF and subsequently clears when

read and restarts count.

0x00

Table 74 •

General Purpose Registers Page Space

Address Name

0G–12G

Reserved

13G

LED/SIGDET/GPIO Control

14G

GPIO Control 2

15G

GPIO Input

16G

GPIO Output

17G

GPIO Output Enable

18G

Micro Command

19G

MAC Mode and Fast Link Configuration

20G

Two-Wire Serial MUX Control 1

21G

Two-Wire Serial MUX Control 2

22G

Two-Wire Serial MUX Data Read/Write

23G

Recovered Clock 0 Control

24G

Recovered Clock 1 Control

25G

Enhanced LED Control

26G

Reserved

27G

Reserved

28G

Reserved

29G

Global Interrupt Status

30G

Extended Revision ID

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