DP83257VF National Semiconductor, DP83257VF Datasheet - Page 67

• Manufacturer Part Number: DP83257VF
• Description: IC FDDI LAYER CTRLR 160PQFP
• Manufacturer: National Semiconductor

Specifications of DP83257VF

• Controller Type: physical layer controller
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 160-BFQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Interface: -
• Other names: *DP83257VF

5 0 Registers
(Continued)
5 23 CURRENT LINK ERROR COUNT REGISTER (CLECR)
The Current Link Error Count Register takes a snap-shot of the Link Error Monitor Counter during every Control Bus Interface
read cycle of this register
During a Control Bus Interface write cycle the Control Bus Write Command Reject bit (CCR) of the Interrupt Condition Register
(ICR) will be set to 1 and will ignore a write cycle
ACCESS RULES
ADDRESS
READ
WRITE
16h
Always
Write Reject
D7
D6
D5
D4
D3
D2
D1
D0
LEC7
LEC6
LEC5
LEC4
LEC3
LEC2
LEC1
LEC0
Bit
Symbol
Description
D0 –D7
LEC0–LEC7
LINK ERROR COUNT BIT
0–7
Snapshot of the Link Error Monitor Counter
k
l
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