参数资料
型号: KSZ8873FLL
厂商: Micrel Inc
文件页数: 69/115页
文件大小: 0K
描述: IC ETHERNET SW 3PORT 64LQFP
产品培训模块: KSZ8873 Ethernet Switches
特色产品: KSZ8873 Ethernet Switch Controller
标准包装: 160
控制器类型: 以太网开关控制器
接口: MII
电源电压: 1.8V,2.5V,3.3V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
其它名称: 576-3631
KSZ8873FLL-ND
Micrel, Inc.
KSZ8873MLL/FLL/RLL
September 20, 2013
57
Revision 1.6
Register 6 (0x06): Global Control 4
Bit
Name
R/W
Description
Default
7
Reserved
RO
Reserved
Do not change the default values.
0
6
Port 3 Duplex Mode
Selection
R/W
=1, Enable Port 3 MII to half-duplex mode.
=0, Enable Port 3 MII to full-duplex mode.
0
Pin P1LED0 strap option.
Pull-up(1): Half -duplex mode
Pull-down(0): Full-duplex mode
(default)
Note: P1LED0 has internal pull-
down.
5
Port 3 Flow Control
Enable
R/W
=1, Enable full duplex flow control on Switch port 3 MII
interface.
=0, Disable full duplex flow control on Switch port 3 MII
interface.
1
Pin P1LED1 strap option.
Pull- up(1): Enable flow control
Pull-down(0): Disable flow control
Note: P1LED1 has internal pull-up.
4
Port 3 Speed
selection
R/W
=1, The port 3 MII switch interface is in 10Mbps mode
=0, The port 3 MII switch interface is in 100Mbps mode
0
Pin P3SPD strap option.
Pull-up(1): Enable 10Mbps
Pull-down(0): Enable 100Mbps
(default)
Note: P3SPD has internal pull-
down.
3
Null VID
Replacement
R/W
=1, Will replace NULL VID with port VID (12 bits)
=0, No replacement for NULL VID
0
2-0
Broadcast Storm
Protection Rate
(1)
Bit [10:8]
R/W
This register along with the next register determines
how many “64 byte blocks” of packet data are allowed
on an input port in a preset period. The period is 67ms
for 100BT or 500ms for 10BT. The default is 1%.
000
Register 7 (0x07): Global Control 5
Bit
Name
R/W
Description
Default
7-0
Broadcast Storm
Protection Rate
Bit [7:0]
R/W
This register along with the previous register determines how many “64 byte
blocks” of packet data are allowed on an input port in a preset period. The period
is 67ms for 100BT or 500ms for 10BT. The default is 1%.
0x63
Note:
3.
100BT Rate: 148,800 frames/sec * 67 ms/interval * 1% = 99 frames/interval (approx.) = 0x63.
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