Analog Devices Blackfin Audio EZ-Extender, Manual

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Blackfin EZ-Extender Manual 2-9
EZ-Extender Hardware Reference
MISO Disconnect Jumper (P7)
The
SO
signal of the SPI connector (
J1
) is driven by a buffer to the proces-
sor’s
MISO
signal, as illustrated in Figure 2-1 on page 2-2 . When the SPI
connector is not in use, remove the jumper to prevent any interfering with
other devices on the SPI bus.
SMA Connector Clock Disconnect Jumper (P10)
The SMA connector (
J5
) provides the ability to input a clock from a sig-
nal generator or other clock source. This signal is first put though a buffer,
as illustrated in
Figure 2-1 on page 2-2 . When the SMA connector is not
in use, remove the jumper to prevent any interfering with other devices on
the net.
Table 2-9. FSYNC2_LCD Source Settings
SW4 Position 4
PF2 SW4 Position 5
PPI0_SYNC2 SW4 Position 6
PPI1_SYNC2 FSYNC2_LCD
Source
OFF OFF OFF FSYNC2_LCD
signal is
used
OFF ON OFF FSYNC2_LCD
=
PPI0_SYNC2
OFF OFF OFF FSYNC2_LCD
=
PPI1_SYNC2
ON OFF ON FSYNC2_LCD
=
PF3
– – – All other configurations
should not be used