DP83257VF National Semiconductor, DP83257VF Datasheet - Page 2

• 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

1 0 FDDI CHIP SET OVERVIEW
2 0 ARCHITECTURE DESCRIPTION
3 0 FUNCTIONAL DESCRIPTION
4 0 MODES OF OPERATION
5 0 REGISTERS
1 1 FDDI 2-Chip Set
1 2 FDDI TP-PMD Solutions
2 1 Block Overview
2 2 Interfaces
3 1 Clock Recovery Module
3 2 Receiver Block
3 3 Transmitter Block
3 4 Configuration Switch
3 5 Clock Generation Module
3 6 Station Management Support
3 7 PHY-MAC Interface
3 8 PMD Interface
4 1 Run Mode
4 2 Stop Mode
4 3 Loopback Mode
4 4 Device Reset
4 5 Cascade Mode
5 1 Mode Register (MR)
5 2 Configuration Register (CR)
5 3 Interrupt Condition Register (ICR)
5 4 Interrupt Condition Mask Register (ICMR)
5 5 Current Transmit State Register (CTSR)
5 6 Injection Threshold Register (IJTR)
5 7 Injection Symbol Register A (ISRA)
5 8 Injection Symbol Register B (ISRB)
5 9 Current Receive State Register (CRSR)
5 10 Receive Condition Register A (RCRA)
5 11 Receive Condition Register B (RCRB)
5 12 Receive Condition Mask Register A (RCMRA)
5 13 Receive Condition Mask Register B (RCMRB)
5 14 Noise Threshold Register (NTR)
5 15 Noise Prescale Threshold Register (NPTR)
5 16 Current Noise Count Register (CNCR)
5 17 Current Noise Prescale Count Register (CNPCR)
5 18 State Threshold Register (STR)
5 19 State Prescale Threshold Register (SPTR)
5 20 Current State Count Register (CSCR)
Table of Contents
2
6 0 SIGNAL DESCRIPTIONS
7 0 ELECTRICAL CHARACTERISTICS
8 0 CONNECTION DIAGRAMS
9 0 PACKAGE INFORMATION
5 21 Current State Prescale Count Register (CSPCR)
5 22 Link Error Threshold Register (LETR)
5 23 Current Link Error Count Register (CLECR)
5 24 User Definable Register (UDR)
5 25 Device ID Register (DIR)
5 26 Current Injection Count Register (CIJCR)
5 27 Interrupt Condition Comparison Register (ICCR)
5 28 Current
5 29 Receive Condition Comparison Register A (RCCRA)
5 30 Receive Condition Comparision Register B (RCCRB)
5 31 Mode Register 2 (MODE2)
5 32 CMT Condition Comparison Register (CMTCCR)
5 33 CMT Condition Register (CMTCR)
5 34 CMT Condition Mask Register (CMTCMR)
5 35 Reserved Registers 22H-23H (RR22H-RR23H)
5 36 Scrub Timer Threshold Register (STTR)
5 37 Scrub Timer Value Register (STVR)
5 38 Trigger Definition Register (TDR)
5 39 Trigger Transition Configuration Register (TTCR)
5 40 Reserved Registers 28H-3AH (RR28H-RR3AH)
5 41 Clock Generation Module Register (CGMREG)
5 42 Alternate PMD Register (APMDREG)
5 43 Gain Register (GAINREG)
5 44 Reserved Registers 3EH-3FH (RR3EH-RR3FH)
6 1 DP83256VF Signal Descriptions
6 2 DP83256VF-AP Signal Descriptions
6 3 DP83257VF Signal Descriptions
7 1 Absolute Maximum Ratings
7 2 Recommended Operating Conditions
7 3 DC Electrical Characteristics
7 4 AC Electrical Characteristics
8 1 DP83256VF Connection Diagram Pin Descriptions
8 2 DP83256VF-AP Connection Diagram Pin Descrip-
8 3 DP83257VF Connection Diagram Pin Descriptions
9 1 Land Patterns
9 2 Mechanical Drawings
tions
(CTSCR)
Transmit
State
Comparison
Register