Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos
Los códigos de productos
ATSAM4S-XPLD
691
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
35.4
Application Block Diagram
Figure 35-2. Application Block Diagram
35.5
I/O Lines Description
Smart
Card
Slot
USART
RS232
Drivers
Modem
RS485
Drivers
Differential
Bus
IrDA
Transceivers
Modem
Driver
Field Bus
Driver
EMV
Driver
IrDA
Driver
IrLAP
RS232
Drivers
Serial
Port
Serial
Driver
PPP
PSTN
SPI
Driver
SPI
Transceiver
Table 35-2. I/O Line Description
Name
Description
Type
Active Level
SCK
Serial Clock
I/O
TXD
Transmit Serial Data
or Master Out Slave In (MOSI) in SPI Master Mode
or Master In Slave Out (MISO) in SPI Slave Mode
I/O
RXD
Receive Serial Data
or Master In Slave Out (MISO) in SPI Master Mode
or Master Out Slave In (MOSI) in SPI Slave Mode
Input
RI
Ring Indicator
Input
Low
DSR
Data Set Ready
Input
Low
DCD
Data Carrier Detect
Input
Low
DTR
Data Terminal Ready
Output
Low
CTS
Clear to Send
or Slave Select (NSS) in SPI Slave Mode
Input
Low
RTS
Request to Send
or Slave Select (NSS) in SPI Master Mode
Output
Low