Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
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
Controller
Receiver
USART Interrupt
RXD
TXD
SCK
USART
PIO
Controller
CTS
RTS
DTR
DSR
DCD
RI
Transmitter
Modem
Signals
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
–