参数资料
型号: KSZ8842-PMQL-EVAL
厂商: Micrel Inc
文件页数: 112/119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
92
M9999-100207-1.5
Port 2 PHY Special Control/Status, LinkMD (Offset 0x0530): P2SCSLMD
This register contains the port 2 LinkMD control register for the switch port 2 function.
Bit
Default
R/W
Description
Is the same as:
15
0
RO
Vct 10M short
Less than 10 meter short
P2VCT, bit 12
14:13
0
RO
Vct result
[00] = normal condition
[01] = open condition has been detected in cable
[10] = short condition has been detected in cable
[11] = cable diagnostic test is failed
P2VCT, bits 14-13
12
0
RW
SC
(self-
clear)
Vct enable
1 = the cable diagnostic test is enabled. It’ll be self-
cleared after VCT test is done
0 = it indicates the cable diagnostic test is completed
and the status information is valid for read
P2VCT, bit 15
11
0
RW
Force Link
1 = Force link pass
0 = Normal Operation
P2PHYCTRL,
bit 3
10
1
RW
Power Saving
1 = Disable
0 = Enable power saving
P2PHYCTRL,
bit 2
9
0
RW
Remote loop back >>
1 = Loop back at PMD/PMA of port 2’s PHY
End: TXP2/TXM2 (port 2)
0 = normal operation.
P2PHYCTRL,
bit 1
8 – 0
0
RO
VCT fault count
Distance to the fault. It’s approximately
0.4m*vct_fault_count
P2VCT, bits 8-0
Port 2 Control Register 4 (Offset 0x0532): P2CR4
This register contains the global per port control for the switch port 2 function.
Bit
Default
R/W
Description
Is the same as:
15
0
RW
LED off
1 = Turn off all port 2’s LEDs (LED2_3, LED2_2,
LED2_1, LED2_0. These pin/balls will be driven high
if this bit is set to one.
0 = normal operation
P2MBCR, bit 0
14
0
RW
Txids
1 = disable port’s transmitter
0 = normal operation
P2MBCR, bit 1
13
0
RW
Restart AN
1 = restart auto-negotiation
0 = normal operation
P2MBCR, bit 9
12
0
RW
Disable Far end fault
1 = disable far end fault detection & pattern
transmission.
0 = enable far end fault detection & pattern
transmission.
P2MBCR, bit 2
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