
RTL8309SB
Datasheet
Single-Chip 9-Port 10/100Mbps Switch Controller
ix
Track ID: JATR-1076-21 Rev. 1.4
7.8.10.
7.8.11.
7.9.
7.9.1.
7.9.2.
7.9.3.
7.9.4.
7.9.5.
PHY 7 Register 24: Port 7 Control 2 & VLAN Entry [H]..................................................................................62
PHY 7 Register 25: VLAN Entry [H]..................................................................................................................63
PHY 8 R
EGISTERS
....................................................................................................................................................63
PHY 8 Register 0: Control..................................................................................................................................63
PHY 8 Register 1: Status ....................................................................................................................................64
PHY 8 Register 4: Auto-Negotiation Advertisement...........................................................................................64
MII Port NWay Mode .........................................................................................................................................65
MII Port Force Mode .........................................................................................................................................65
8.
FUNCTIONAL DESCRIPTION.......................................................................................................................................66
8.1.
P
HYSICAL
L
AYER
T
RANSCEIVER
F
UNCTIONAL
O
VERVIEW
.......................................................................................66
Auto Negotiation for UTP ..................................................................................................................................66
100Base-Tx Transmit Function ..........................................................................................................................66
100Base-Tx Receive Function............................................................................................................................66
10Base-T Transmit Function..............................................................................................................................67
10Base-T Receive Function................................................................................................................................67
Link Monitor.......................................................................................................................................................67
Power Saving Mode............................................................................................................................................67
Power-Down Mode.............................................................................................................................................67
Auto Crossover Detection...................................................................................................................................68
S
WITCH
C
ORE
F
UNCTIONAL
O
VERVIEW
....................................................................................................................68
Address Search, Learning, and Aging ................................................................................................................68
Flow Control ......................................................................................................................................................69
Half Duplex Operation.......................................................................................................................................69
Backpressure ......................................................................................................................................................70
UTP Port Status Configuration..........................................................................................................................70
MII Port (The 9th Port)......................................................................................................................................70
A
DVANCED
F
UNCTIONALITY
O
VERVIEW
...................................................................................................................74
Port-Based VLAN...............................................................................................................................................74
802.1Q Tagged-VID based VLAN.......................................................................................................................76
QoS Operation....................................................................................................................................................77
Insert/Remove VLAN Priority Tag......................................................................................................................78
Port VID (PVID) ................................................................................................................................................79
Port Trunking .....................................................................................................................................................79
ISP MAC Address Translation............................................................................................................................79
Lookup Table Access...........................................................................................................................................81
8.1.1.
8.1.2.
8.1.3.
8.1.4.
8.1.5.
8.1.6.
8.1.7.
8.1.8.
8.1.9.
8.2.
8.2.1.
8.2.2.
8.2.3.
8.2.4.
8.2.5.
8.2.6.
8.3.
8.3.1.
8.3.2.
8.3.3.
8.3.4.
8.3.5.
8.3.6.
8.3.7.
8.3.8.