VSC8244
Data Sheet
Tables
Table 1.
VSC8244 Relevant Specifications..................................................................................................................... 12
VSC8224/VSC8234/VSC8244 MAC / Media Interface Support Options........................................................... 13
Data Sheet Conventions.................................................................................................................................... 14
Signal Type Descriptions ................................................................................................................................... 18
MAC TX Signal Descriptions ............................................................................................................................. 19
MAC RX Signal Descriptions............................................................................................................................. 20
Twisted Pair Interface Pins ................................................................................................................................ 21
Serial Management Interface Pins .................................................................................................................... 22
Serial EEPROM Interface Pins.......................................................................................................................... 23
Configuration and Control Pins.......................................................................................................................... 23
System Clock Interface Pins.............................................................................................................................. 24
LED Interface Pins............................................................................................................................................. 24
JTAG TAP Signal Descriptions .......................................................................................................................... 25
Analog Bias Pins ............................................................................................................................................... 25
HSTL Voltage Reference Pins........................................................................................................................... 25
No Connect Pins................................................................................................................................................ 26
Power Supply Pins ............................................................................................................................................ 26
Power Supply and Associated Functional Pins ................................................................................................. 27
Accepted MDI Pair Connection Combinations................................................................................................... 34
SMI Frame Format ............................................................................................................................................ 35
LED Function Assignments ............................................................................................................................... 38
LED Functions................................................................................................................................................... 38
LED Output Options .......................................................................................................................................... 40
Serial LED Output Data ..................................................................................................................................... 41
JTAG Device Identification Register Description ............................................................................................... 43
JTAG Interface Instruction Codes...................................................................................................................... 43
CMODE Hardware Configuration Bits ............................................................................................................... 53
CMODE Pin Combinations................................................................................................................................ 53
CMODE Configuration Bits................................................................................................................................ 54
EEPROM Configuration Contents ..................................................................................................................... 55
EEPROM Configuration Contents for Multiple VSC8244 Devices..................................................................... 57
MII Register Bit Modes ...................................................................................................................................... 61
MII Register Quick Reference ........................................................................................................................... 63
MII Register Quick Reference - Extended Page Mode...................................................................................... 65
Table 2.
Table 3.
Table 4.
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Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
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Table 24.
Table 25.
Table 26.
Table 27.
Table 28.
Table 29.
Table 30.
Table 31.
Table 32.
Table 33.
Table 34.
10 of 121
VMDS-10108 Revision 4.1
June 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
