LXT972 Level One, LXT972 Datasheet - Page 64

• Manufacturer Part Number: LXT972
• Description: 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
• Manufacturer: Level One

Table 51: Transmit Control Register #2 (Address 30)
LXT972 3.3V Dual-Speed Fast Ethernet Transceiver
64
30.15:11
30.12
30.11:10
30.9:0
1. Values are relative approximations. Not guaranteed or production tested.
2. R/W = Read/Write
Bit
Reserved
Transmit Low Power
Port Rise Time
Control
Reserved
1
Name
Ignore
1 = Forces the transmitter into low power mode. Also
0 = Normal transmission.
00 = 2.7 ns (default is pins TXSLEW<1:0>)
01 = 3.5 ns
10 = 2.3 ns
11 = 2.0 ns
Ignore
forces a zero-differential transmission.
Description
Type
R/W
R/W
R/W
R/W
2
Default
N/A
0
0
0