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参数资料
| 型号： | DP83957VF |
| 英文描述： | REPEATER MANAGEMENT|QFP|80PIN|PLASTIC |
| 中文描述： | 直放站管理| QFP封装| 80脚|塑料 |
| 文件页数： | 10/24页 |
| 文件大小： | 240K |
| 代理商： | DP83957VF |
60 Register Description (Continued)
614 OVERFLOW STATUS 2 REGISTER (0x41)
Overflow Status Register 2 indicates which one of the port attributes has rolled over from 0xFF to 0x00
Reset State
0x3F
Bit
Bit Name
Access
Bit Description
D 70
OVF 70
Read
The byte value represents an encoded value (refer to table below) of the attribute that has rolled
over from 0xFF to 0x00
Overflow Status Encoding
The following table outlines the encoded OVF 70 bits for a Port Attribute overflow
OVF 70 Value
Attribute Description
0x01
aReadableFrame Attribute
0x02
aReadableOctets Attribute
0x03
aFrameCheckSequenceErrors Attribute
0x04
aAlignmentErrors Attribute
0x05
aFramesTooLong Attribute
0x06
aShortEvents Attribute
0x07
aRunts Attribute
0x08
aCollisions Attribute
0x09
aLateEvents Attribute
0x0A
aVeryLongEvents Attribute
0x0B
aDataRateMismatches Attribute
0x0C
aSourceAddressChange Attribute
615 DP83957 REVISION REGISTER (0x50)
This register may be used to distinguish between different revisions of the DP83957 If this register is read it will return a
different value for each DP83957 revision (contact National Semiconductor for the latest revision information) A write to this
register has no effect upon the contents
Bit
Bit Name
Access
Bit Description
D 72
REV 72
Read
Always read back as 0
D1
REV1
Read
Highest bit of the revision number
D0
REV 0
Read
Lowest bit of the revision number
18
相关PDF资料 |
PDF描述 |
|---|---|
| DP83959AVUL | LAN Hub Controller |
| DP83BC04BJ | Single 8-bit Bus Transceiver |
| DP83BC04BN | Single 8-bit Bus Transceiver |
| DP8400-2 | Error Detection & Correction (EDAC) |
| DP8455V-3 | Disk Data Separator/Synchronizer |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DP83959 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Port Lite Ethernet Repeater Interface Controller |
| DP83959AVUL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LAN Hub Controller |
| DP83959VUL | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Port Lite Ethernet Repeater Interface Controller |
| DP83BC04BJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single 8-bit Bus Transceiver |
| DP83BC04BN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single 8-bit Bus Transceiver |
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