ADMtek ADM5120, Datasheet, Page: 61 / 112

ADM5120 Register Description
4.4.21 ADDR_st0, offset 0x50
Bits Type Name Description Initial value
0 RO Data_rdy Data is ready
→
ADDR_st, ADDR_srch0 and ADDR_srch1
are ready, read_clear
1 RO Table_end Search to table end
→
1: hit the end of MAC address
table
2 RO filter Filter bit
5:3 RO VLAN VLAN number
6 RO VLAN_en VLAN field is enable
12:7 RO P_number Port number (refer to B+58, bit7-4)
15:13 RO age_field Age-field:
000 empty
001 to 110 existed MAC,
111 static address,
31:16 RO MAC_srch0 MAC address [15:0]
4.4.22 ADDR_st1, offset 0x54
Bits Type Name Description Initial value
31:0 RO MAC_srch1 MAC address [47:16]
4.4.23 MAC_wt0, offset 0x58
Bits Type Name Description Initial value
0 RW wtMAC_cmd MAC address write command
→
1: the MAC write data
is ready and write to
MAC table, self_clear
1 RO wtMAC_done MAC write done
→
1: MAC address write complete,
read_clear
2 RW wtfilter write filter bit
5:3 RW wtVLAN Write VLAN number
6 RW wtVLAN_en Write VLAN enable
12:7 RW wtP_number write Port map number
15:13 RW wtage_field Age-field
→
000 empty
001 to 110 existed MAC
111 static address
31:16 RW wtMAC0 MAC write address [15:0]
4.4.24 MAC_wt1, offset 0x5c
Bits Type Name Description Initial value
31:0 RW wtMAC1 MAC write address [47:16]
ADMtek Inc. 4-14