320
11011B–ATARM–21-Feb-12
SAM3N
22.3 Block Diagram
Figure 22-1. Block Diagram
PDC
FULL DUPLEX
PERIPHERAL
THR
RHR
PDC Channel A
PDC Channel B
Control
Status & Control
Control
PDC Channel C
HALF DUPLEX
PERIPHERAL
THR
Status & Control
RECEIVE or TRANSMIT
PERIPHERAL
RHR or THR
Control
Control
RHR
PDC Channel D
Status & Control
