參數(shù)資料
型號： MB86976PF-G
元件分類： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP144
封裝： PLASTIC, QFP-144
文件頁數(shù)： 18/46頁
文件大?。?/td> 212K
代理商： MB86976PF-G
MB86976
Fujitsu Microelectronics, Inc.
25
Advanced 11/5/98
094
CPU_Reserve
FBFLT
8
Number of Frame Buffer spaces to reserve for the CPU port.
08
096
LAN_Reserve
FBFLT
8
Number of Frame Buffer spaces to reserve for the LAN port.
08
098
WAN_Reserve
FBFLT
8
Number of Frame Buffer spaces to reserve for the WAN port.
08
09A
Learned_SA
FBFLT
16
Counts new SA received and added to database.
0000
09C
NOT_Learned_SA
FBFLT
16
New SA recvd, not added to SADB, no free space in bucket.
0000
09E
UpDated_SA
FBFLT
16
Previously learned SA received - time stamp updated.
0000
0A2
CPU_Drop_Frames
FBFLT
16
CPU frames discarded due to Frame Buffer overflow.
0000
0A4
LAN_Drop_Frames
FBFLT
16
LAN frames discarded due to Frame Buffer overflow.
0000
0A6
WAN_Drop_Frames
FBFLT
16
WAN frames discarded due to Frame Buffer overflow.
0000
0A8
LAN_Reject_Frames
FBFLT
16
LAN Frames Rejected due to Filtering results.
0000
0AA
WAN_Reject_Frames
FBFLT
16
WAN Frames Rejected due to Filtering results.
0000
0AC
CPU_Rx_Frames
FBFLT
16
Total number of frames received by the CPU.
0000
0AE
WAN_Rx_Frames
FBFLT
16
Total number of frames received by the WAN.
0000
0B0
CPU_Tx_Frames
FBFLT
16
Total number of frames transmitted by the CPU.
0000
0B2
WAN_Tx_Frames
FBFLT
16
Total number of frames transmitted by the WAN.
0000
0B4
CPU_HiWtr_Level
FBFLT
16
CPU Tx FIFO high watermark (cleared on read).
00
0B6
LAN_HiWtr_Level
FBFLT
16
LAN Tx FIFO high watermark (cleared on read).
00
0B8
WAN_HiWtr_Level
FBFLT
16
WAN Tx FIFO high watermark (cleared on read).
00
0BA
MASTER_HiWtr_Level
FBFLT
16
Sum of the LAN, WAN and CPU HiWtr_Levels.
00
0BC
DRAM_Init_Done
CPU
1
Zeroed when DRAM data initialized after power-up.
00
0C0
JTAG_ID
CPU
32
JTAG ID register for part version determination (Read Only).
2F00 2009
0DC
LAN_TxStatus
LAN
16
LAN Transmit Status. Loaded from MAC_TxStatus.
0000
0DE
LAN_Opt_Set
LAN
3
Write-only, options for the MAC. Must be programmed to 03.
0
0E0
LAN_RxByte_Cnt
LAN
32
LAN Receive Bytes Count, including bad frames.
0000 0000
0E4
LAN_Rx_Frames
LAN
16
LAN Receive Frames Count, including bad frames.
0000
0E6
LAN_Rx_Broadcast
LAN
16
LAN Receive Multicast frames (DA LSb = 1) Count.
0000
0E8
LAN_Rx_Error
LAN
16
LAN Receive Error Frames (CRC, align, size) Count.
0000
0EA
LAN_Rx_RUNTS
LAN
16
LAN Receive Runt Frames & Collison Fragments Count.
0000
0EC
LAN_Rx_CRC
LAN
16
LAN Receive bad CRC Count.
0000
0EE
LAN_RxOverLength
LAN
16
LAN Receive Over Length Frames Count (over 1518 bytes).
0000
0F2
LAN_RxStatus
LAN
16
LAN Receive Status bits.
0000
0F4
LAN_TxByte_Cnt
LAN
32
LAN Transmit Byte Count (includes aborts).
0000 0000
0F8
LAN_Tx_Frames
LAN
16
LAN Transmit Frames Count (includes aborts).
0000
0FA
LAN_Tx_Error
LAN
16
LAN Transmit Error Count (aborted due to error).
0000
0FC
LAN_TxExCollision
LAN
16
LAN Transmit Excessive (>16) Collision Aborted Count.
0000
0FE
LAN_Tx_Broadcast
LAN
16
LAN Transmit Multicast frames (DA LSb = 1) Count.
0000
100
Lookup_Table
FBFLT
72*16
User-programmable lookup table (UDLT) filter.
System
Addr.
Offset
(Hex)
Registers
Initial
Value
Symbol
Group
Reg.
Size
(Bits)
Description
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