at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 269

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Application
Block Diagram
I/O Lines Description
Table 43. I/O Line Description
1790A–ATARM–11/03
Name
SCK
TXD
RXD
RI
DSR
DCD
DTR
CTS
RTS
Description
Serial Clock
Transmit Serial Data
Receive Serial Data
Ring Indicator
Data Set Ready
Data Carrier Detect
Data Terminal Ready
Clear to Send
Request to Send
Figure 91. Application Block Diagram
Modem
Modem
Drivers
RS232
Driver
PSTN
PPP
Drivers
RS232
Serial
Serial
Driver
Port
Differential
Field Bus
USART
RS485
Drivers
Driver
Bus
Smart
Driver
EMV
Card
Slot
Type
I/O
I/O
Input
Input
Input
Input
Output
Input
Output
Transceivers
AT91RM3400
Driver
IrLAP
IrDA
IrDA
Active Level
Low
Low
Low
Low
Low
Low
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