CPU_45A-V3
CPU Board XMC4500 General Purpose
Hardware Description
Board User's Manual
22
Revision 1.0, 2014-01-10
2.9
User LEDs and User Buttons
The port pin P3.9 of XMC4500 is connected to a
LED V300. More user LED’s are available through I2C GPIO
expander on most of the satellite cards.
Table 8
GPIO LED
LED
Connected to Port Pin
V300
GPIO P3.9
The User Button is connected to port pin P2.15 of the XMC4500.
Table 9
User Button
Button
Connected to Port Pin
BUTTON1
P2.15
Button_LED.emf
User
Button
User
LED1
Figure 21 GPIO LED
2.10
Potentiometer
The CPU_45A-V3 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_CH1 (P14.1). The analog output of the
potentiometer ranges from 0 V to 3.3 V.
Table 10
Potentiometer
R300
P14.1 / G0_CH1 (Group 0, Channel 1)
