Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
886
38.3 Block Diagram
Figure 38-1. USART Block Diagram
(Peripheral)
DMA Controller
Channel
Channel
Interrupt
Controller
Receiver
USART Interrupt
RXD
TXD
SCK
USART
PIO
Controller
CTS
RTS
DTR
DSR
DCD
RI
Transmitter
Modem
Signals
Control
Baud Rate
Generator
PMC
Peripheral clock
APB
Peripheral clock/DIV
Bus clock
Bridge
User
Interface
Table 38-1. SPI Operating Mode
Pin USART SPI Slave SPI Master
RXD RXD MOSI MISO
TXD TXD MISO MOSI
RTS RTS – CS
CTS CTS CS –