External Interrupts; Schematic Diagram Of The User Interrupt Interface; Parallel Jtag Interface Voltage Selection Jumper - Motorola 56F8323 User Manual

Table 2-7. Parallel JTAG Interface Connector Description
Pin #
9
10
11
12
13
Table 2-8. Parallel JTAG Interface Voltage Selection Jumper

2.6 External Interrupts

One on-board push-button switch is provided for external interrupt generation, as shown
in 2-5. S2 allows the user to generate a hardware interrupt for signal line IRQA.
Figure
This switch allows the user to generate interrupts for user-specific programs.
Figure 2-5. Schematic Diagram of the User Interrupt Interface
2-10
Freescale Semiconductor, Inc.
P1
Signal
PORT_VCC
NC
PORT_TDO
NC
PORT_CONNECT
JG14
1–2 +3.3V Parallel Printer Port
Interface
2–3 +5.0V Parallel Printer Port
Interface
+3.3V
10K
S2
0.1µF
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Pin # Signal
22 GND
23 GND
24 GND
25 GND
Comment
56F8323
IRQA
MOTOROLA