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SAM7X128_14 Datasheet, PDF (35/662 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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10.9
USART
ï¬ Programmable Baud Rate Generator
ï¬ 5- to 9-bit full-duplex synchronous or asynchronous serial communications
ï¬ 1, 1.5 or 2 stop bits in Asynchronous Mode
ï¬ 1 or 2 stop bits in Synchronous Mode
ï¬ Parity generation and error detection
ï¬ Framing error detection, overrun error detection
ï¬ MSB or LSB first
ï¬ Optional break generation and detection
ï¬ By 8 or by 16 over-sampling receiver frequency
ï¬ Hardware handshaking RTS - CTS
ï¬ Modem Signals Management DTR-DSR-DCD-RI on USART1
ï¬ Receiver time-out and transmitter timeguard
ï¬ Multi-drop Mode with address generation and detection
ï¬ RS485 with driver control signal
ï¬ ISO7816, T = 0 or T = 1 Protocols for interfacing with smart cards
ï¬ NACK handling, error counter with repetition and iteration limit
ï¬ IrDA modulation and demodulation
ï¬ Communication at up to 115.2 Kbps
ï¬ Test Modes
ï¬ Remote Loopback, Local Loopback, Automatic Echo
10.10 Serial Synchronous Controller
ï¬ Provides serial synchronous communication links used in audio and telecom applications
ï¬ Contains an independent receiver and transmitter and a common clock divider
ï¬ Offers a configurable frame sync and data length
ï¬ Receiver and transmitter can be programmed to start automatically or on detection of different event on the frame
sync signal
ï¬ Receiver and transmitter include a data signal, a clock signal and a frame synchronization signal
10.11 Timer Counter
ï¬ Three 16-bit Timer Counter Channels
ï¬ Two output compare or one input capture per channel
ï¬ Wide range of functions including:
ï¬ Frequency measurement
ï¬ Event counting
ï¬ Interval measurement
ï¬ Pulse generation
ï¬ Delay timing
ï¬ Pulse Width Modulation
ï¬ Up/down capabilities
ï¬ Each channel is user-configurable and contains:
ï¬ Three external clock inputs
SAM7X Series [DATASHEET] 35
6120KâATARMâ11-Feb-14
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