5228-DS06-R datasheet(77/100 Pages) BOARDCOM

77 / 100 page

Data Sheet

BCM5228

7/12/04

Broa d c om Co rp o r a t i o n

Document

5228-DS09-405-R

Auxiliary Mode 4 (PHY 3) Register (Shadow Register)

Page 65

AUXILIARY MODE 4 (PHY 3) REGISTER (SHADOW REGISTER)

Serial Bank 3 Select[2:0]. If low-cost serial LED mode is selected, these bits configure bank 6 LED output on serial LED

data stream SLED_DO.

Serial Bank 2 Select[2:0]. If low-cost serial LED mode is selected, these bits configure bank 5 LED output on serial LED

data stream SLED_DO.

Serial Bank 1 Select[2:0]. If low-cost serial LED mode is selected, these bits configure bank 4 LED output on serial LED

data stream SLED_DO.

Table 42: Auxiliary Mode 4 (PHY 3) Register (Shadow Register 26d, 1Ah)

BIt

Name

R/W

Description

Default

15:9

Reserveda

a. Preserve existing values of reserved bits by completing a “Read/Modify Write.”

–

0011

000b

8:6

Serial Bank 3 Select[2:0]

R/W

Configuration bits for bank 3 output in low-cost

serial LED mode. For details, see “LED

Modes” on page 29.

000

5:3

Serial Bank 2 Select[2:0]

R/W

Configuration bits for bank 2 output in low-cost

serial LED mode. For details, see “LED

Modes” on page 29.

000

2:0

Serial Bank 1 Select[2:0]

R/W

Configuration bits for bank 1 output in low-cost

serial LED mode. For details, see “LED

Modes” on page 29.

000

Note: R/W = Read/Write, RO = Read Only, SC = Self Clear, LL = Latched Low, LH = Latched High, LL and LH Clear

after read operation. MII Shadow register bank 1 is accessed by setting MII register 1Fh bit 7 to a 1.

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