RTL8305SC
Datasheet
Table of Contents
1. GENERAL DESCRIPTION................................................................................................................................................1
2. FEATURES...........................................................................................................................................................................4
3. BLOCK DIAGRAM.............................................................................................................................................................6
4. PIN ASSIGNMENTS ...........................................................................................................................................................7
5. PIN DESCRIPTIONS ..........................................................................................................................................................9
5.1.
5.2.
5.3.
5.4.
5.5.
5.6.
5.7.
5.8.
5.9.
5.10.
MEDIA CONNECTION PINS............................................................................................................................................9
PORT 4 CONFIGURATION PINS ......................................................................................................................................9
PORT 4 MAC CIRCUIT INTERFACE PINS.....................................................................................................................14
PORT 4 PHY CIRCUIT INTERFACE PINS ......................................................................................................................16
MISCELLANEOUS PINS ...............................................................................................................................................19
PORT LED PINS .........................................................................................................................................................20
SERIAL EEPROM AND SMI PINS ..............................................................................................................................22
STRAPPING PINS.........................................................................................................................................................22
PORT STATUS STRAPPING PINS ...................................................................................................................................24
POWER PINS...............................................................................................................................................................26
6. EEPROM DESCRIPTION................................................................................................................................................27
6.1.
6.1.1.
PORT 0 REGISTERS .....................................................................................................................................................27
Global Control Register0 .....................................................................................................................................27
Global Control Register1 .....................................................................................................................................27
Global Control Register2 .....................................................................................................................................28
Global Control Register3 .....................................................................................................................................28
Global Control Register4 .....................................................................................................................................28
Global Control Register5 .....................................................................................................................................29
Global Control Register6 .....................................................................................................................................29
Global Control Register7 .....................................................................................................................................30
Port 0 Control 0....................................................................................................................................................30
6.1.2.
6.1.3.
6.1.4.
6.1.5.
6.1.6.
6.1.7.
6.1.8.
6.1.9.
6.1.10. Port 0 Control 1....................................................................................................................................................31
6.1.11. Port 0 Control 2....................................................................................................................................................31
6.1.12. Port 0 Control 3....................................................................................................................................................31
6.1.13. Port 0 Control 4 & VLAN Entry [A].....................................................................................................................32
6.2.
PORT 1 REGISTERS .....................................................................................................................................................33
Internal Use Register............................................................................................................................................33
Port 1 Control 0....................................................................................................................................................33
Port 1 Control 1....................................................................................................................................................34
Port 1 Control 2....................................................................................................................................................34
Port 1 Control 3....................................................................................................................................................34
Port 1 Control 4 & VLAN Entry [B].....................................................................................................................35
PORT 2 REGISTERS .....................................................................................................................................................36
Internal Use Register............................................................................................................................................36
Port 2 Control 0....................................................................................................................................................36
Port 2 Control 1....................................................................................................................................................37
Reserved ...............................................................................................................................................................37
Port 2 Control 2 & VLAN Entry [C] ....................................................................................................................38
PORT 3 REGISTERS .....................................................................................................................................................39
Switch MAC Address ............................................................................................................................................39
Port 3 Control 0....................................................................................................................................................39
Port 3 Control 1....................................................................................................................................................40
Reserved ...............................................................................................................................................................40
6.2.1.
6.2.2.
6.2.3.
6.2.4.
6.2.5.
6.2.6.
6.3.
6.3.1.
6.3.2.
6.3.3.
6.3.4.
6.3.5.
6.4.
6.4.1.
6.4.2.
6.4.3.
6.4.4.
5-port 10/100Mbps Single-Chip Dual MII Switch Controller
iv
Track ID: JATR-1076-21 Rev. 1.2