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2.10
User LEDs and User Button
The port pin P2.1 of the XMC4200 is connected to LED V300. More User LED's are available through the I2C
GPIO expander on most of the satellite cards.
Table 8
User LEDs
LED
V300
[1]
If Serial Wire Viewer is used, the User LED at P2.1 is flickering and cannot freely be programmed,
because the Serial Wire Viewer function is overlaid with the GPIO function at P2.1.
One User Buttons SW301 is available at GPIO P14.7 of the XMC4200.
Table 9
User Buttons
Button
BUTTON1 / SW301
User Button
User LED
Figure 20
User LED and User Button
2.11
Potentiometer
The CPU_42A-V1 board provides a potentiometer POT1 for ease of use and testing of the on-chip analog to
digital converter. The potentiometer is connected to the analog input G0_CH4 (P14.4). The analog output
voltage of the potentiometer ranges from 0 V to 3.3 V.
Table 10
Potentiometer
Potentiometer
P300
Board User's Manual
Connected to Port Pin
GPIO P2.1 [1]
Connected to Pin
GPIO P14.7
Connected to Port Pin
P14.4 / G0_CH4 (Group 0, channel 4)
CPU Board XMC4200 Actuator
22
CPU_42A-V1
Hardware Description
LED_Button.emf
Revision 1.0, 2013-02-19
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