mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 250

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Programming Model
11.5.16.1 RAM Perfect Match Address High (MAUR)
The MAUR register contains bytes 4 and 5 of the 48-bit MAC address used in the address
recognition process to compare with the destination address field of the receive frames.
Byte 0 is the first byte transmitted on the network at the start of the frame.
This register is not reset and must be initialized by the user prior to operation. See
Figure 11-20.
11-26
Reset
Reset
Reset
Reset
Field
Field
Addr
Field
Field
R/W
R/W
Addr
R/W
R/W
31–0
Bits
31–0
Bits
31
15
31
15
ADDR_LOW
ADDR_HIGH Bytes 4 (bits 31–24) and 5 (bits 23–16) of the 6-byte address.
Name
Name
Figure 11-20. RAM Perfect Match Address High (MAUR)
Figure 11-19. RAM Perfect Match Address Low (MALR)
Bytes 0 (bits 31–24), 1 (bits 23–16), 2 (bits 15:8), and 3 (bits 7–0) of the 6-byte address.
Table 11-24. MAUR Field Descriptions
Table 11-23. MALR Field Descriptions
MCF5272 User’s Manual
0000_0000_0000_0000
MBAR + 0xC00
MBAR + 0xC04
ADDR_LOW
ADDR_LOW
ADDR_HIGH
ADDR_HIGH
Read/Write
Read/Write
Read/Write
Read/Write
Undefined
Undefined
Undefined
Description
Description
MOTOROLA
16
0
16
0