5
HDMI Mezzanine Card – Revision B
User’s Guide
Figure 4. Headers for CEC, HDP, S Settings, LatticeECP3 Video Protocol Board
J3 (HDMI Out)
J1 (HDMI Input 1)
J2 (HDMI Input 2)
TOSLINK (S/PDIF)
H12, H11, H10, H9
H4, H3, H2, H1
H6, H5
H8, H7
J3 (HDMI Out)
J1 (HDMI Input 1)
J2 (HDMI Input 2)
TOSLINK (S/PDIF)
H10, H6, H2
are for SDA
control
H12, H8, H4 are for CEC control
J3 (HDMI Out)
J1 (HDMI Input 1)
J2 (HDMI Input 2)
TOSLINK (S/PDIF)
H9, H5, H1
are for SCL
control
H11, H7, H3 are for HPD control
J3 (HDMI Out)
J1 (HDMI Input 1)
J2 (HDMI Input 2)
TOSLINK (S/PDIF)
H12, H11, H10, H9
are associated with
HDMI Out
H4, H3, H2, H1
are associated with HDMI Input 1
H8, H7, H6, H5
are associated
with HDMI Input 2
Figure 5 is a conceptual connection of the header connections. This applies to all four signals. An example of the
connection is shown in Figure 6. In this example, the shunts are installed on pin1/pin 2 of H9 ~ H12 and pin2/pin3
of H1 ~ H4. This will bypass the four signals between J1 and J3.
