SAM7X256_14 Datasheet, PDF (35/662 Pages) ATMEL Corporation – ARM-based Flash MCU

10.9
USART
 Programmable Baud Rate Generator
 5- to 9-bit full-duplex synchronous or asynchronous serial communications
 1, 1.5 or 2 stop bits in Asynchronous Mode
 1 or 2 stop bits in Synchronous Mode
 Parity generation and error detection
 Framing error detection, overrun error detection
 MSB or LSB first
 Optional break generation and detection
 By 8 or by 16 over-sampling receiver frequency
 Hardware handshaking RTS - CTS
 Modem Signals Management DTR-DSR-DCD-RI on USART1
 Receiver time-out and transmitter timeguard
 Multi-drop Mode with address generation and detection
 RS485 with driver control signal
 ISO7816, T = 0 or T = 1 Protocols for interfacing with smart cards
 NACK handling, error counter with repetition and iteration limit
 IrDA modulation and demodulation
 Communication at up to 115.2 Kbps
 Test Modes
 Remote Loopback, Local Loopback, Automatic Echo
10.10 Serial Synchronous Controller
 Provides serial synchronous communication links used in audio and telecom applications
 Contains an independent receiver and transmitter and a common clock divider
 Offers a configurable frame sync and data length
 Receiver and transmitter can be programmed to start automatically or on detection of different event on the frame
sync signal
 Receiver and transmitter include a data signal, a clock signal and a frame synchronization signal
10.11 Timer Counter
 Three 16-bit Timer Counter Channels
 Two output compare or one input capture per channel
 Wide range of functions including:
 Frequency measurement
 Event counting
 Interval measurement
 Pulse generation
 Delay timing
 Pulse Width Modulation
 Up/down capabilities
 Each channel is user-configurable and contains:
 Three external clock inputs
SAM7X Series [DATASHEET] 35
6120K–ATARM–11-Feb-14