参数资料
型号: KSZ8842-PMQL-EVAL
厂商: Micrel Inc
文件页数: 90/119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
72
M9999-100207-1.5
PHY1 LinkMD Control/Status (Offset 0x04F0): P1VCT
This register contains the LinkMD control and status of PHY 1:
Bit
Default
R/W
Description
Is the same as:
15
0 (Self_Clear)
RW
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
P1SCSLMD, 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
P1SCSLMD, bits
14-13
12
-
RO
Vct 10M short
1 = Less than 10 meter short
P1SCSLMD, bit 15
11 – 9
0
RO
Reserved
8 – 0
0
RO
Vct_fault_count
Distance to the fault. The distance is
approximately 0.4m X vct_fault_count
P1SCSLMD, bits 8-
0
PHY1 Special Control/Status Register (Offset 0x04F2): P1PHYCTRL
This register contains the control and status information of PHY1:
Bit
Default
R/W
Description
Is the same as:
15 – 6
0
RO
Reserved
5
0
RO
Polarity reverse (polrvs)
1 = polarity is reversed
0 = polarity is not reversed
P1SR, bit 13
4
0
RO
MDIX Status (mdix_st)
1 = MDI
0 = MDIX
P1SR, bit 7
3
0
RW
Force Link (force_lnk)
1 = force link pass
0 = normal operation
P1SCSLMD, bit 11
2
1
RW
Power Saving (pwrsave)
1 = disable
0 = enable power saving
P1SCSLMD, bit 10
1
0
RW
Remote loop back (near end loop back )
1 = Loop back at PMD/PMA of port 1’s PHY
0 = normal operation.
P1SCSLMD, bit 9
0
RW
Reserved
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