Configuration Options
11
SNLU237 – September 2018
Copyright © 2018, Texas Instruments Incorporated
DP83869EVM User's Guide
4
Configuration Options
4.1
Bootstrap Options
Except PHYADD straps, all other straps are only two-level straps in DP83869. EVM will support one
pullup and one pulldown resistor pad on RX_D0 and RX_D2 for PHY address straps. There will be only
one pullup resistor on all other strap pins with an jumper option to disconnect it.
Table 3. 4 Level Straps
STRAP VALUE
MODE 1
MODE 2
MODE 3
MODE 4
Resistor PU (k
Ω
)
Open
10
5.76
2.49
Resistor PD (k
Ω
)
Open
2.49
2.49
Open
Table 4. 2 Level Straps
STRAP VALUE
MODE 1
MODE 2
Resistor PU (k
Ω
)
2.49
Open
Resistor PD (k
Ω
)
Open
2.49
Figure 6. EVM Strap Jumpers
