SMSC EVB8710, User Manual

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EVB8710 Evaluation Board User Manual
SMSC EVB8710
USER MANUAL
Revision 1.1 (05-24-10)
7
2.2.6 LEDs
Note: LED1 and LED2 are located inside the RJ45 connector. LED1 and LED2 may function active-
high or active-low depending on the configuration of the REGOFF and nINTSEL straps,
respectively. Refer to the LAN8710A Datasheet and LAN8710A schematics for additional
information.
2.2.7 Test Points
Note 2.1 VDDCR is the in1.2V regulated output. When REGOFF is enabled, the internal
1.2V regulator is disabled. In this case, an external 1.2V regulator must be supplied to test
point TP3.
Note 2.2 The LAN8710A’s VDDIO power may be supplied externally at a voltage other than +3.3V
as described in
Section 2.1, "Power," on page 3 .
2.2.8 System Connections
Table 2.3 LEDs
REFERENCE COLOR INDICATION
LED1 Green
Link/Activity
Active when the PHY has established a valid link with a link partner
and blinks when activity is detected.
LED2 Yellow
Speed
Active when a 100BASE-TX link has been established. Inactive when
a 10BASE-T link has been established or during line isolation.
Table 2.4 Test Points
TEST POINT DESCRIPTION CONNECTION
TP1 +3.3V Test Point (Orange) +3.3V
TP2 +5.0V Test Point (Red) +5.0V
TP3
+1.2V VDDCR Test Point (Unpopulated)
( Note 2.1 )
+1.2V
TP4 Ground Test Point (Black) Ground
TP5 VDDIO Test Point (Purple) +3.3V ( Note 2.2 )
Table 2.5 System Connections
PLUG/HEADER DESCRIPTION PART
T1 RJ45 with Integrated LEDs Pulse J0011D01BNL
J1
2x14 MII Header
Note: Refer Table 2.6 to for a full pin list
Adam Tech PH2-28-U-A
P1
40-pin Female MII Connector
Note: Refer Table 2.7 to for a full pin list
Tyco 5173278-2