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5.44 MAC Address High Bytes Register (MACADDRHI)
EMAC Port Registers
The MAC address high bytes register (MACADDRHI) is shown in Figure 72 and described in Table 72 .
Figure 72. MAC Address High Bytes Register (MACADDRHI)
31 24 23 16
MACADDR2 MACADDR3
R/W-0 R/W-0
15 8 7 0
MACADDR4 MACADDR5
R/W-0 R/W-0
LEGEND: R/W = Read/Write; - n = value after reset
Table 72. MAC Address High Bytes Register (MACADDRHI) Field Descriptions
Bit Field Value Description
31-24 MACADDR2 MAC source address bits 23-16 (byte 2)
23-16 MACADDR3 MAC source address bits 31-24 (byte 3)
15-8 MACADDR4 MAC source address bits 39-32 (byte 4)
7-0 MACADDR5 MAC source address bits 47-40 (byte 5)
Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)130 SPRU975B – August 2006
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