DM8603EP DAVICOM [Davicom Semiconductor, Inc.], DM8603EP Datasheet - Page 63

• Manufacturer Part Number: DM8603EP
• Description: 10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

7.3.54 PHY Control Register (33Eh)
Note:
There are two method to control Auto-MDIX ability on each port, Switch REG 19h.1Eh.[15:14] and per-port's
PHY REG 02h/03h.14h.[4]. For instance, we can control port 0's Auto-MDIX ability by:
Preliminary datasheet
DM8603-12-DS-P01
November 8, 2010
PHY_ADR
19h
13:9
7:4
3:0
Bit
15
14
8
Auto-MDIX
07h. [14]
Disable
Disable
07h.[15]
Enable
07h. [8]
ROM
---
---
---
REG_ADR
1Eh
PSET,RW
PSE,RW
PSE,RW
PS,RW
Switch REG 19h.1Eh.[15]
Type
RO
RO
Don't care
Default
10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface
0b
0b
0h
0b
0h
3h
0
1
ABS_ADR
33Eh
MDIX_DIS_P0
Port0 Auto-MDIX Control
MDIX_DIS_P1
Port1 Auto-MDIX Control
RESERVED
Write as 0h, ignore when read
PHY_LFP_EN
PHY LFP Control
RESERVED
Write as 0h, ignore when read
I_TUNE_TX[3:0]
TX Operation Current
To tune the TX operation current
0: Auto_MDIX Enable
1: Auto_MDIX Disable
0: Auto_MDIX Enable
1: Auto_MDIX Disable
0: PHY LFP Disable
1: PHY LFP Enable
Port 0's PHY REG 02h.14h.[4]
Don't care
Description
0
1
DM8603
63