參數(shù)資料
型號： KSZ8993M
廠商： Micrel Inc
文件頁數(shù)： 69/85頁
文件大小： 0K
描述： IC SWITCH 10/100 3PORT 128PQFP
標準包裝： 66
系列： *
類型： *
應用： *
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應商設備封裝： 128-PQFP（14x20）
包裝： 托盤
產品目錄頁面： 1081 (CN2011-ZH PDF)
其它名稱： 576-1037
Micrel, Inc.
KS8993M/ML/MI
April 2005
71
M9999-041205
Offset
Counter Name
Description
0x1B
TxDeferred
Tx packets by a port for which the 1st Tx attempt is delayed due to the busy
medium
0x1C
TxTotalCollision
Tx total collision, half duplex only
0x1D
TxExcessiveCollision
A count of frames for which Tx fails due to excessive collisions
0x1E
TxSingleCollision
Successfully Tx frames on a port for which Tx is inhibited by exactly one collision
0x1F
TxMultipleCollision
Successfully Tx frames on a port for which Tx is inhibited by more than one collision
Table 17. Port 1’s “Per Port” MIB Counters Indirect Memory Offsets
Bit
Name
R/W
Description
Default
30-16
Reserved
N/A
Reserved
N/A
15-0
Counter values
RO
Counter value
0
Table 18. Format of “All Port Dropped Packet” MIB Counters
“All Port Dropped Packet” MIB counters are read using indirect memory access. The address offsets for these
counters are shown in the following table:
Offset
Counter Name
Description
0x100
Port1 TX Drop Packets
TX packets dropped due to lack of resources
0x101
Port2 TX Drop Packets
TX packets dropped due to lack of resources
0x102
Port3 TX Drop Packets
TX packets dropped due to lack of resources
0x103
Port1 RX Drop Packets
RX packets dropped due to lack of resources
0x104
Port2 RX Drop Packets
RX packets dropped due to lack of resources
0x105
Port3 RX Drop Packets
RX packets dropped due to lack of resources
Table 19. “All Port Dropped Packet” MIB Counters Indirect Memory Offsets
Examples:
1. MIB Counter Read (Read port 1 “Rx64Octets” Counter)
Write to reg. 110 with 0x1c (read MIB counters selected)
Write to reg. 111 with 0x0e (trigger the read operation)
Then
Read reg. 117 (counter value 30-24) // If bit 30 = 0, restart (reread) from this register
Read reg. 118 (counter value 23-16)
Read reg. 119 (counter value 15-8)
Read reg. 120 (counter value 7-0)
2. MIB Counter Read (Read Port 2 “Rx64Octets” Counter)
Write to reg. 110 with 0x1c (read MIB counter selected)
Write to reg. 111 with 0x2e (trigger the read operation)
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相關代理商/技術參數(shù)
參數(shù)描述
KSZ8993MA5 功能描述:IC SWITCH 10/100 W/TXRX 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調幀器 應用:數(shù)據傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應商設備封裝:400-PBGA（27x27） 包裝:散裝
KSZ8993M-EVAL 功能描述:以太網開發(fā)工具 KSZ8993M Evaluation Board RoHS:否 制造商:Micrel 產品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓:
KSZ8993MI 功能描述:以太網 IC 2+1 Port 10/100 Switch w/Tranceivers & Frame Buffers, 128-Ld PQFP (Lead Free) RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8993ML 功能描述:以太網 IC 2+1 Port 10/100 Switch w/Tranceivers & Frame Buffers, 128-Ld PQFP(Lead Free) RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8993ML-EVAL 功能描述:以太網開發(fā)工具 KSZ8993ML Evaluation Board RoHS:否 制造商:Micrel 產品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓:
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