2-10 56F8323EVM User Manual MOTOROLA
2.6 External Interrupts
One on-board push-button switch is provided for external interrupt generation, as shown
in Figure 2-5. 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
9PORT_VCC22 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
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
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