參數(shù)資料
型號： KSZ8873MLL AM TR
廠商： Micrel Inc
文件頁數(shù)： 113/115頁
文件大小： 0K
描述： IC ETHERNET SWITCH 3PORT 64LQFP
產(chǎn)品培訓模塊： KSZ8873 Ethernet Switches
標準包裝： 1,000
控制器類型： 以太網(wǎng)開關(guān)控制器
接口： MII
電源電壓： 1.8V，2.5V，3.3V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 64-LQFP
供應(yīng)商設(shè)備封裝： 64-PQFP（10x10）
包裝： 帶卷 (TR)
Micrel, Inc.
KSZ8873MLL/FLL/RLL
September 20, 2013
97
Revision 1.6
Table 21. Format of “All Port Dropped Packet” MIB Counters
Bit
Name
R/W
Description
Default
30-16
Reserved
N/A
Reserved
N/A
15-0
Counter Value
RO
Counter Value
0
“All Port Dropped Packet” MIB counters are read using indirect memory access. The address offsets for these counters
are shown in Table 22.
Table 22. “All Port Dropped Packet” MIB Counters
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
Examples:
1.
MIB Counter Read (Read port 1 “Rx64Octets” Counter)
Write to reg. 121 (0x79) with 0x1c
// Read MIB counters selected
Write to reg. 122 (0x7A) with 0x0e
// Trigger the read operation
Then,
Read reg. 128 (0x80), overflow bit [31]
// If bit 31 = 1, there was a counter overflow valid
bit [30] // If bit 30 = 0, restart (reread) from this register counter bits [29:24]
Read reg. 129 (0x81), counter bits [23:16]
Read reg. 130 (0x82), counter bits [15:8]
Read reg. 131 (0x83), counter bits [7:0]
2.
MIB Counter Read (Read port 2 “Rx64Octets” Counter)
Write to reg. 121 (0x79) with 0x1c
// Read MIB counter selected
Write to reg. 122 (0x7A) with 0x2e
// Trigger the read operation
Then,
Read reg. 128 (0x80), overflow bit [31]
// If bit 31 = 1, there was a counter overflow valid
bit [30] // If bit 30 = 0, restart (reread) from this register counter bits [29:24]
Read reg. 129 (0x81), counter bits [23:16]
Read reg. 130 (0x82), counter bits [15:8]
Read reg. 131 (0x83), counter bits [7:0]
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KSZ8873MLL-EVAL 功能描述:以太網(wǎng)開發(fā)工具 3-Port Fast Ethernet Switch with 1x MII Interface - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)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:
KSZ8873MLLI 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 1x RMII Interface (Industrial Grade, Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)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
KSZ8873MLLJ 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 1x RMII Interface (Extended Temp) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)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
KSZ8873MML 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 2x MII Interface, Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)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
KSZ8873MML-EVAL 功能描述:以太網(wǎng)開發(fā)工具 3-Port Fast Ethernet Switch with 2x MII Interface - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)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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