The following picture shows the SAMD20 Xplained Pro board connected to PL460-EK expansion
board:
Figure 1-52. SAMD20 Xplained Pro +
PL460-EK
PL460-EK is connected to XPRO Interface connector (EXT1) of SAMD20 Xplained Pro. A 15V DC
jack must be plugged into PL460-EK in order to supply the power for PLC transmission.
For more information about PL460-EK refer to its user guide.
PVdd Monitor functionality on this platform requires a change in resistors on PL460-EK to
meet expected voltage levels at ADC input of SAMD20. For such reason, PVdd Monitor is
disabled in PAL MCC configuration.Figure 1-53. Resistors to be replaced on
PL460-EK
The proper resistor values are already configured on MCC for provided projects.Figure 1-54. Resistor Values configured on MCC
The USB connector of SAMD20 Xplained Pro can be used to:
See Application information
messages on Console. UART baud-rate is configured at 115200 bps (it can’t be
higher due to hardware limitations on this board).
Flash/debug the SAMD20 device
with the on-board EDBG debugger
The Host Interface connection is done through EXT2 connetor, where USART4 is mapped:Figure 1-55. EXT2 USART4
IRQ pin is used to connect RTS signal from Host, which is required by Host Interface
specification. The following figure shows the connection between Modem and Host:Figure 1-56. Modem To Host
Connection
