DP83257VF National Semiconductor, DP83257VF Datasheet - Page 78

• 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

D0-D5
D6
D7
5 0 Registers
5 34 CMT CONDITION MASK REGISTER (CMTCMR)
This is the mask register for the CMT Condition Register (CMTCR) When the bits in both the CMTCMR and CMTCR are set the
Receive Condition Register B’s Connection Service Event (RCRB CSE) bit will be set
ACCESS RULES
Bit
TCOM
D7
ADDRESS
RES
STEM
TCOM
Symbol
21h
STEM
D6
RESERVED Reserved for future use
SCRUB TIMER EXPIRED MASK The mask bit for the Scrub Timer Expired (STE) bit of the CMT Condition
Register (CMTCR)
TRIGGER CONDITION OCCURRED MASK The mask bit for the Trigger Condition Occurred (TCO) bit of the
CMT Condition Register (CMTCR)
(Continued)
Always
READ
RES
D5
RES
D4
WRITE
Always
RES
D3
78
Description
RES
D2
RES
D1
RES
D0