CPU_42A-V1
CPU Board XMC4200 Actuator
Hardware Description
Board User's Manual
22
Revision 1.0, 2013-02-19
2.10
User LEDs and User Button
The port pin P2.1 of the XMC4200 is connected to LED V300. More U
ser LED’s are available through
the I2C
GPIO expander on most of the satellite cards.
Table 8
User LEDs
LED
Connected to Port Pin
V300
GPIO P2.1 [1]
[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
Connected to Pin
BUTTON1 / SW301
GPIO P14.7
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
Connected to Port Pin
P300
P14.4 / G0_CH4 (Group 0, channel 4)
LED_Button.emf
User Button
User LED
