DM8603EP DAVICOM [Davicom Semiconductor, Inc.], DM8603EP Datasheet - Page 24

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

6.10 Power Saving Control Register (05Dh, 07Dh)
Preliminary datasheet
DM8603-12-DS-P01
November 8, 2010
15:12
PHY_ADR
02h, 03h
8:0
Bit
11
10
9
PREAMBLEX
RESERVED
RESERVED
RESERVED
Bit Name
TX_PWR
REG_ADR
1Dh
Default
0000b
RW
RW
RW
RO
RO
0b
0b
0b
0h
10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface
Reserved
Write as 0000b, ignore when read
Preamble Saving Control
when both bit REG 02h/03h.14h.[11:10] are set, the 10BASE-T
transmit preamble count is reduced.
Reserved
Write as 0b, ignore when read
Transmit Power Saving Control Disabled
Reserved
Write as 0h, ignore when read
1 = 12-bit preamble is reduced.
0 = 22-bit preamble is reduced.
1 = When cable is unconnected with link partner, the driving
0 = Disable transmit driving power saving function
current of transmit is reduced for power saving.
ABS_ADR
05Dh, 07Dh
Description
DM8603
24