Spectrum Digital TMS320F240 Technical Reference page 30

Spectrum Digital, Inc
2.10.3 Jumper JP3, Oscillator Source Select
Jumper JP3 is used to select the source of the TMS320F240 Clockin. Jumper position
1-2 selects the onboard oscillator. If position 2-3 is used the clock is from pin 31 on the
Control connector P4. The table below shows the positions and their functions:
2.10.4 Jumper JP4, Enable/Disable RTS to BIO-/IOPC3
Jumper JP4 enables the serial port P6 RTS- to the DSP's BIO-/IOPC3 pin. Using
position 1-2 disables this feature, while position 2-3 enables it.
If this feature is enabled(2-3) then you must not drive the BIO-/IOPC3 pin from the
Control connector P4
.
The table below shows the positions and their functions:
2-20
Table 12: Jumper JP3
Position Function
1-2 Selects Onboard Oscillator
2-3 Selects Pin 31 on Control
connector P4
Note:
Table 13: Jumper JP4
Position Function
1-2 Disables P6 RTS-
to BIO-/IOPC3
2-3 Enables P6 RTS- to
BIO-/IOPC3
TMS320F240 Evaluation Module Technical Reference