Table 496: Expansion Register Access Register (Phy_Addr = 0X1, Reg_Addr = 17H); Table 497: Expansion Register Select Values - Broadcom BCM5722 Programmer's Manual

Programmer's Guide
10/15/07
E R
XPANSION EGISTER
When enabled, this register serves as an index to the expansion registers. The value of the expansion register can be read/
written through register 15h (see
These bits should be cleared when the Expansion Register is not accessed.

Table 496: Expansion Register Access Register (PHY_ADDR = 0x1, Reg_Addr = 17h)

Bit Field
15:12 Reserved
11:8 Expansion Register
Select
7:0 Expansion Register
Accessed
Expansion Register
00h
01h
03h
04h
05h
06h
10h
11h
12h
13h
Document 5722-PG101-R
A R
CCESS EGISTER
"Expansion Register Access Data (PHY_ADDR = 01h, REG_ADDR = 15h)" on page
Description
–
• 1111 = Expansion Register select
• XXXX = Reserved
Sets the Expansion Register number accessed when
reading or writing "Expansion Register Access Data
(PHY_ADDR = 01h, REG_ADDR = 15h)" on page

Table 497: Expansion Register Select Values

Register Name
"Expansion Register 00h: Receive/Transmit Packet Counter" on page 435
"Expansion Register 01h: Expansion Interrupt Status" on page 435
"Expansion Register 03h: SerDes Control" on page 436
"Expansion Register 04h: Multicolor LED Selector" on page 437
"Expansion Register 05h: Multicolor LED Flash Rate Controls" on page 438
"Expansion Register 06h: Multicolor LED Programmable Blink Controls" on page 439
"Expansion Register 10h: Cable Diagnostic Controls" on page 440
"Expansion Register 11h: Cable Diagnostic Results" on page 441
"Expansion Register 12h: Cable Diagnostic Lengths Channels 1/2" on page 442
"Expansion Register 13h: Cable Diagnostic Lengths Channels 3/4" on page 443
Bro adco m Co rp or atio n
(PHY_ADDR = 0 1, R
X
BCM5722
_A = 17 )
EG DDR H
Init Access
0000 R/W
0h
433.
Transceiver Registers
433).
Page 434