參數(shù)資料
型號(hào)： DP83956
文件頁(yè)數(shù)： 10/24頁(yè)
文件大?。?/td> 240K
代理商： DP83956
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
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參數(shù)描述
DP83956A 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LitE Repeater Interface Controller
DP83956AVLJ 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LitE Repeater Interface Controller
DP83956AVLY 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Hub Controller
DP83956VF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Hub Controller
DP83957 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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