參數(shù)資料
型號: KSZ8893FQL
廠商: Micrel Inc
文件頁數(shù): 86/117頁
文件大?。?/td> 0K
描述: IC SWITCH FAST ETH 3PORT 128PQFP
標準包裝: 66
控制器類型: 以太網(wǎng)開關控制器
接口: MII,RMII,SNI
電源電壓: 3.1 V ~ 3.5 V
工作溫度: 0°C ~ 70°C
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
配用: 576-1603-ND - EVAL KIT EXPERIMENTAL KSZ8893MQL
其它名稱: 576-1565
Micrel, Inc.
KSZ8893FQL
October 2007
70
M9999-101607-1.3
Register 20 (0x14): Port 1 Control 4
Register 36 (0x24): Port 2 Control 4
Register 52 (0x34): Port 3 Control 4
Bit
Name
R/W
Description
Default
7-0
Default Tag
[7:0]
R/W
Port’s default tag, containing
7-0: VID[7:0]
0x01
Note
: Registers 19 and 20 (and those corresponding to other ports) serve two purposes:
1. Associated with the ingress untagged packets, and used for egress tagging.
2. Default VID for the ingress untagged or null-VID-tagged packets, and used for address lookup.
Register 21 (0x15): Port 1 Control 5
Register 37 (0x25): Port 2 Control 5
Register 53 (0x35): Port 3 Control 5
Bit
Name
R/W
Description
Default
7-4
Reserved
R/W
Reserved
Do not change the default values.
0x0
3-2
Limit Mode
R/W
Ingress Limit Mode
These bits determine what kinds of frames are limited and
counted against ingress rate limiting.
00 = Limit and count all frames
01 = Limit and count Broadcast, Multicast, and flooded unicast
frames
10 = Limit and count Broadcast and Multicast frames only
11 = Limit and count Broadcast frames only
00
1
Count IFG
R/W
Count IFG bytes
1 = Each frame’s minimum inter frame gap
(IFG) bytes (12 per frame) are included in Ingress and Egress
rate limiting calculations.
0 = IFG bytes are not counted.
0
Count Pre
R/W
Count Preamble bytes
1 = Each frame’s preamble bytes (8 per frame) are included in
Ingress and Egress rate limiting calculations.
0 = Preamble bytes are not counted.
0
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