Blackfin A-V EZ-Extender Manual
2-15
A-V EZ-Extender Hardware Reference
PPI0_D Direction Setup Jumper (JP9.2/4/6)
The direction of the
PPI0_D[15:0]
signals can be a fixed direction or can
be programmed, depending on the state of a general-purpose flag.
PPI0_D[15:0]
direction.
Audio Loopback Jumpers (JP10.1/2, JP10.3/4)
The
JP10.1/2
and
JP10.3/4
jumpers loop-back audio input to output for
test purposes and should not be installed.
Table 2-10. Setting Direction of PPI0_D[15:0] (JP9.2/4/6)
Jumper Location
PPI0_D[15:0] Direction
JP9.2/4
Controlled by a flag pin
JP9.4/6
Input to the processor
Uninstalled Output
from the processor
