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56F8323EVM User Manual
MOTOROLA
2.6 External Interrupts
One on-board push-button switch is provided for external interrupt generation, as shown
in
. S2 allows the user to generate a hardware interrupt for signal line IRQA.
This switch allows the user to generate interrupts for user-specific programs.
Figure 2-5. Schematic 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 2-8. Parallel JTAG Interface Voltage Selection Jumper
JG14
Comment
1–2
+3.3V Parallel Printer Port
Interface
2–3
+5.0V Parallel Printer Port
Interface
Table 2-7. Parallel JTAG Interface Connector Description
P1
Pin #
Signal
Pin #
Signal
56F8323
IRQA
+3.3V
10K
S2
0.1µF
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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