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DSP56F801EVM Hardware User’s Manual
2.6 External Interrupt
One on-board push-button switch is provided for external interrupt generation, as shown
in
. S1 allows the user to generate a hardware interrupt for signal line IRQA.
This switch allows the user to generate interrupts for his user-specific programs.
Figure 2-5. Block Diagram of the User Interrupt Interface
9
PORT_VCC
22
GND
10
NC
23
GND
11
PORT_TDO
24
GND
12
NC
25
GND
13
PORT_CONNECT
Table 2-4. Parallel JTAG Interface Connector Description
P2
Pin #
Signal
Pin #
Signal
DSP56F801
IRQA
+3.3V
10K
S1
0.1µF
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