Dual DP83640 Ethernet PHY HSMC Daughter Board
Reference Guide
V1.0 - October 2013
9
The Connector J2 is for Port 0; Connector J3 is for Port 1.
Note
:
gpio9 is connected in-between both PHY devices exclusively to allow synchronization of
the internal 1588 timers during operation.
3.2.3 Application (HSMC) General Purpose I/O, J4
For arbitrary purposes a 5x2 connector (J4) provides 5 signals that can be used for any
implementation specific function. The signals are available at the HSMC connector only.
2
4
6
8
10
1
3
5
7
9
(5x2)
GND
genio0
GND
GND
GND
genio1
genio2
genio3
to HSMC
GND
genio4
Figure 5: Application General Purpose I/O Connector (J4)