参数资料
| 型号： | KS8995M |
| 厂商： | Micrel Inc |
| 文件页数： | 36/73页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH 10/100 5PORT 128PQFP |
| 标准包装： | 66 |
| 系列： | * |
| 类型： | * |
| 应用： | * |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 128-BFQFP |
| 供应商设备封装： | 128-PQFP（14x20） |
| 包装： | 散装 |
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December 2003
41
M9999-120403
KS8995M
Micrel
Address
Name
Description
Mode
Default
2
Aging enable
1, Enable age function in the chip
R/W
Pin LED[5][2] strap
0, Disable aging function
option. Pull-down
(0): Aging disable.
Pull-up (1): Aging
enable.
Note: LED[5][2]
has internal pull
up.
1
Fast age enable
1, Turn on fast age (800
s)
R/W
0
Aggressive back
1, Enable more aggressive backoff algorithm in half
R/W
Pin PMRXD0 strap
off enable
duplex mode to enhance performance. This is not an
option. Pull-down
IEEE standard.
(0): Disable
aggressive back
off. Pull-up (1):
Aggressive back
off.
Note: PMRXD0
has internal pull
down.
Register 4 (0x04): Global Control 2
7
Unicast port-VLAN
This feature is used for port-VLAN.
R/W
1
mismatch discard
(described in reg17, reg33...)
1, all packets can not cross VLAN boundary.
0, unicast packets (excluding unknown/
mutlicast/broadcast) can cross VLAN boundary.
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
Back pressure mode
1, carrier sense based backpressure is selected.
R/W
1
0, collision based backpressure is selected.
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 drop
1, the switch will not drop packets when 16 or more
R/W
Pin PMRXD1 strap
collisions occur.
option. Pull-down
0, the switch will drop packets when 16 or more
(0): Drop
collisions occur.
excessive 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| KS8995M_0607 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Integrated 5-Port 10/100 Managed Switch |
| KS8995MA | 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:是 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装 |
| KS8995MA_11 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Integrated 5-Port 10/100 Managed Switch |
| KS8995MA-EVAL | 功能描述:BOARD EVAL EXPERIMENT KS8995MA RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035 |
| KS8995MAI | 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:否 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装 |
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