参数资料
型号: KSZ8842-PMQL-EVAL
厂商: Micrel Inc
文件页数: 106/119页
文件大小: 0K
描述: BOARD EVALUATION KSZ8842-PMQL
标准包装: 1
主要目的: 接口,以太网控制器(PHY 和 MAC)
嵌入式:
已用 IC / 零件: KSZ8842-PMQL
主要属性: 2 个端口,100BASE-TX/10BASE-T
次要属性: 8/16 位接口,LinkMD 线缆诊断
已供物品:
产品目录页面: 1114 (CN2011-ZH PDF)
相关产品: 576-3348-ND - IC ETHERNET SW 2PORT 100-LFBGA
576-3089-ND - IC ETHERNT SW 2PORT PCI 100LFBGA
576-2121-ND - IC ETHERNET SW 2PORT PCI 128PQFP
576-1513-5-ND - IC SWITCH 10/100 32BIT 128-PQFP
其它名称: 576-1636
Micrel, Inc.
KSZ8842-PMQL/PMBL
October 2007
87
M9999-100207-1.5
Port 2 Control Register 3 (Offset 0x0526): P2CR3
This register contains the control register for the switch port 2 function.
Bit
Default
R/W
Description
15 – 5
000
RO
Reserved
4
3 – 2
00
RW
Ingress Limit Mode
These bits determine what kinds of frames are limited and counted against
Ingress limiting as follows:
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
1
0
RW
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
RW
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
Port 2 Ingress Rate Control Register (Offset 0x0528): P2IRCR
This register contains the port 2 ingress rate control register for the switch port 2 function.
Bit
Default
R/W
Description
15 – 12
0x0
RW
Ingress Pri3 Rate
Priority 3 frames will be discarded after the ingress rate selected as shown
below, is reached or exceeded:
0000 = Not limited (Default)
0001 = 64 Kbps
0010 = 128 Kbps
0011 = 256 Kbps
0100 = 512 Kbps
0101 = 1 Mbps
0110 = 2 Mbps
0111 = 4 Mbps
1000 = 8 Mbps
1001 = 16 Mbps
1010 = 32 Mbps
1011 = 48 Mbps
1100 = 64 Mbps
1101 = 72 Mbps
1110 = 80 Mbps
1111 = 88 Mbps
Note: For 10Base-T, rate settings above 10Mbps are set to the default
value 0000 (Not limited).
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