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Figure 7-7: LED Display Enable Header LED_ENABLE (J9)
Note:
LED PTE6 and LED PTE7 are mapped to QB8 ports PTC6 and PTC7
respectively.
7.4
7.4.1
28
Input and Reset Switches
The DEMO9S08QB8 has an option to connect two signals, PTC0 and PTC1,
to the Embedded Multilink for signal processing. The two signals are
connected or disconnected to IN0 or IN1 correspondingly, via jumpers P&E
INPUT_EN (J11).
The DEMO9S08QB8 has 4 switches that are connected to signals PTA2,
PTA3, PTD2, and PTD3 respectively, and are enabled or disabled by the 4
corresponding jumpers KEY_ENABLE (J12).
The DEMO9S08QB8 has one Reset switch and one Reset LED associated
with it. These are enabled or disabled by the two corresponding jumpers
RESET_EN (J18).
J11 - P&E’s Logic Analyzer Inputs IN0/IN1
The logic analyzer inputs are marked on one side of the J11 jumper. The
inputs allow P&E’s PC-based logic analyzer application to display these
signals in real-time.
By installing both jumpers, the logic analyzer pins IN0 and IN1 will be
connected to PTC0 and PTC1 respectively.
By removing these jumpers IN0 and IN1 will be unconnected. The
user may connect these signals, via wires, to any other signals on the
processor which they wish to view on the PC.
Figure 7-8: Jumper Settings for Input Signals to P&E’s Embedded Multilink, P&E
INPUT_EN (J11)
DEMO9S08QB8 User Manual
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