Network Card User Manual

www.ti.com

EMAC Port Registers

5.45 MAC Index Register (MACINDEX)

The MAC index register (MACINDEX) is shown in Figure 87 and described in Table 81.

Figure 87. MAC Index Register (MACINDEX)

31 16

Reserved

R-0

15 5 4 0

Reserved MACINDEX

R-0 R/W-0

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 81. MAC Index Register (MACINDEX) Field Descriptions

Bit Field Value Description

31-5 Reserved 0 Reserved

4-0 MACINDEX MAC address index. The host must write the index into the RX ADDR RAM in the MACINDEX field,

followed by the upper 32-bits of address, followed by the lower 16-bits of address (with control bits).

The 53-bit indexed ram location is written when the low location is written. All 32 address RAM

locations must be initialized prior to enabling packet reception.

143

SPRUEF8F–March 2006–Revised November 2010 C6472/TCI6486 EMAC/MDIO

Submit Documentation Feedback