Datasheet

Jumpers
2-14 Blackfin A-V EZ-Extender Manual
AV_RESET Source Jumper (JP9.1/3/5)
The source of the ICs reset on the A-V EZ-Extender is controlled by
either a flag pin or a system reset; the latter also resetting the Blackfin pro-
cessor (see Table 2-9).
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.
Table 2-10 shows how to set the direction of
PPI0_D[15:0].
Audio Loopback Jumpers (JP10.1/2, JP10.3/4)
The JP10.1/2 and JP10.3/4 jumpers loop back the audio input to the out-
put for test purposes and should not be installed.
Table 2-9. Jumper Reset Sources
Jumper Location Reset Source
JP9.1/3 Flag pin multiplexed with PPI1_D11
JP9.3/5
System reset generator
Uninstalled ICs are not reset
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 flag pin
JP9.4/6 Input to processor
Uninstalled Output from processor