NXP Semiconductors MCF5272 ColdFire User Manual

Contents

Ethernet ModuleMCF5272 ColdFire ® Integrated Microprocessor User’s Manual, Rev. 311-28 Freescale Semiconductor11.5.17 Hash Table High (HTUR)The HTUR register, Figure 11-22, contains the upper 32 bits of the 64-bit hash table used in the addressrecognition process for receive frames with a multicast address.This register is not reset and must be initialized by the user prior to operation.31 16Field HASH_HIGHReset UndefinedR/W Read/Write15 0Field HASH_HIGHReset UndefinedR/W Read/WriteAddr MBAR + 0xC08Figure 11-22. Hash Table High (HTUR)Table 11-25. HTUR Field DescriptionsBits Name Description31–0 HASH_HIGH The HTUR register contains the upper 32 bits of the 64-bit hash table used in the addressrecognition process for receive frames with a multicast address.Bit 31 of HTUR contains hash index bit 63.Bit 0 of HTUR contains hash index bit 32.