參數資料
| 型號： | KS8995XA |
| 廠商： | Micrel Inc |
| 文件頁數： | 25/51頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH 10/100 5PORT 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： | 散裝 |
| 配用： | 576-1604-ND - EVAL KIT EXPERIMENTAL KS8995XA |
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May 2005
31
M9999-051305
KS8995XA
Micrel, Inc.
Address
Name
Description
Mode
Default
Register 4 (0x04): Global Control 2
7
Reserved
R/W
1
6
Multicast storm
1 = “Broadcast Storm Protection” does not include
R/W
1
protection disable
multicast packets. Only DA=FFFFFFFFFFFF packets
will be regulated.
0 = “Broadcast Storm Protection” includes DA =
FFFFFFFFFFFF and DA[40] = 1 packets.
5
Reserved
R/W
1
4
Flow control and back
1 = fair mode is selected. In this mode, if a flow control
R/W
1
pressure fair mode
port and a non-flow control port talk to the same
destination port, packets from the non-flow control port
may be dropped. This is to prevent the flow control port
from being flow controlled for an extended period of time.
0 = in this mode, if a flow control port and a non-flow
control port talk to the same destination port, the flow
control port will be flow controlled. This may not be “fair”
to the flow control port.
3
No excessive collision
1 = the switch will not drop packets when 16 or more
R/W
Pin PMRXD1 strap
drop
collisions occur.
option. Pull-down (0):
0 = the switch will drop packets when 16 or more
Drop excessive
collisions occur.
collision packets.
Pull-up (1): Don’t
drop excessive
collision packets.
Note: PMRXD1
has internal pull-
down.
2
Huge packet support
1 = will accept packet sizes up to 1916 bytes (inclusive).
R/W
0
This bit setting will override setting from bit 1 of the
same register.
0 = the max packet size will be determined by bit 1 of
this register.
1
Legal maximum packet
1 = will accept packet sizes up to 1536 bytes (inclusive).
R/W
Pin PMRXER strap
size check disable
0 = 1522 bytes for tagged packets (not including.
option. Pull-down (0):
packets with STPID from CPU to ports 1-4), 1518 bytes
1518/1522 byte
for untagged packets. Any packets larger than the
packets. Pull-up
specified value will be dropped.
value will be
dropped. (1): 1536
byte packets
Note: PMRXER
has internal pull
down.
0
Priority buffer reserve
1 = each output queue is pre-allocated 48 buffers,
R/W
0
used exclusively for high priority packets. It is
recommended to enable this when priority queue
feature is turned on.
0 = no reserved buffers for high priority packets.
Register 5 (0x05): Global Control 3
7
Reserved
R/W
0
6
Reserved
R/W
0
5
Reserved
R/W
0
4
Reserved
R/W
0
3-2
Priority scheme select
00 = always deliver high priority packets first.
R/W
00
01 = deliver high/low packets at ratio 10/1.
10 = deliver high/low packets at ratio 5/1.
11 = deliver high/low packets at ratio 2/1.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| KS8995XA_11 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Integrated 5-Port 10/100 QoS Switch |
| KS8995XA4 | 功能描述:IC SWITCH 5-PORT 10/100 128-PQFP RoHS:否 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 |
| KS8995XAB3 | 功能描述:IC SWITCH 5-PORT 10/100 128-PQFP RoHS:否 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 |
| KS8995XA-EVAL | 功能描述:EVAL KIT EXPERIMENTAL KS8995XA RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
| KS8995XC | 制造商:RF Micro Devices Inc 功能描述: |
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