Configuration Options
12
SNLU237 – September 2018
Copyright © 2018, Texas Instruments Incorporated
DP83869EVM User's Guide
4.1.1
Straps for PHY Address
Table 5. PHY Strap Table
PIN NAME
STRAP NAME
PIN NO.
DEFAULT
RX_D0
PHY_ADD[1:0]
33
00
PHY_ADD1
PHY_ADD0
MODE 0
0
0
MODE 1
0
1
MODE 2
1
0
MODE 3
1
1
RX_D1
PHY_ADD[3:2]
34
00
PHY_ADD3
PHY_ADD2
MODE 0
0
0
MODE 1
0
1
MODE 2
1
0
MODE 3
1
1
4.1.2
Strap for DP83869 Functional Mode Selection
Table 6. Functional Mode Strap Table
PIN NAME
STRAP NAME
PIN NO.
DEFAULT
OPMO
DE_2
OPMO
DE_1
OPMO
DE_0
FUNCTIONAL MODES
JTAG_TDO/GP
IO_1
OPMODE_0
22
0
0
0
0
RGMII to Copper( 1000Base-
T/100Base-TX/10Base-Te)
0
0
1
RGMII to 1000Base-X
RX_D3
OPMODE_1
36
0
0
1
0
RGMII to 100Base-FX
0
1
1
RGMII-SGMII Bridge Mode
RX_D2
OPMODE_2
35
0
1
0
0
1000Base-T to 1000Base-X
1
0
1
100Base-T to 100Base-FX
1
1
0
SGMII to Copper( 1000Base-
T/100Base-TX/10Base-Te)
1
1
1
JTAG for boundary scan
4.1.3
Straps for RGMII/SGMII to Copper
Table 7. Copper Ethernet Strap Table
PIN NAME
STRAP NAME
PIN NO.
DEFAULT
LED_0
ANEG_DIS
47
0
ANEG
_DIS
ANEG
SEL_1
ANEG
SEL_0
FUNCTION
0
0
0
Auto-negotiation, 1000/100/10
advertised, Auto MDI-X
0
0
1
Auto-negotiation, 1000/100
advertised, Auto MDI-X
LED_1
ANEGSEL_0
46
0
0
1
0
Auto-negotiation, 100/10
advertised, Auto-MDI-X
0
1
1
Reserved (JTAG for boundary
scan)
1
0
0
Forced 1000M, master, MDI
mode
