LAN83C183 Datasheet, PDF (45/113 Pages) SMSC Corporation – FAST ETHERNET PHYSICAL LAYER DEVICE

Chapter 2
Signal Descriptions
This chapter describes the device signals. It contains the following sections:
• Section 2.1, “Media Interface Signals”
• Section 2.2, “Controller Interface Signals (MII)”
• Section 2.3, “Management Interface”
• Section 2.4, “Miscellaneous Signals”
• Section 2.5, “LEDs”
• Section 2.6, “Power Supply”
Figure 2.1 is a logic diagram for the device.
Figure 2.1 Device Logic Diagram
Media
Interface
TPI+/FXO-
TPI-/FXO+
TPO+/FXI-
TPO-/FXI+
REXT
SD/FXDISn
SD_THR
Controller
Interface
(MII)
Management
Interface
OSCIN
CRS
TX_CLK
TX_EN
TX_ER/TXD4
TXD[3:0]
RX_CLK
RX_EN/JAMn
RXD[3:0]
RX_DV
RX_ER/RXD4
MDC
MDIO
MDINTn/MDA4n
LAN83C183
10/100 Mbit/s
Ethernet
Physical Layer
Device (PHY)
PLED5n
PLED4n
PLED3n/MDA3n
PLED2n/MDA2n
PLED1n/MDA1n
PLED0n/MDA0n
LEDs/
MI Address
COL
RESETn
SPEED
DPLX
ANEG
RPTR
Miscellaneous
SMSC DS – LAN83C183
45
Rev. 12/14/2000