ATSAM3S datasheet(49/65 Pages) ATMEL

49 / 65 page

6500AS–ATARM–11-Dec-09

SAM3S Summary

12.4

Universal Synchronous Asynchronous Receiver Transceiver (USART)

• Programmable Baud Rate Generator with Fractional Baud rate support

• 5- to 9-bit full-duplex synchronous or asynchronous serial communications

– 1, 1.5 or 2 stop bits in Asynchronous Mode or 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

– Receiver time-out and transmitter timeguard

– Optional Multi-drop Mode with address generation and detection

– Optional Manchester Encoding

– Full modem line support on USART1 (DCD-DSR-DTR-RI)

• 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

• SPI Mode

–Master or Slave

– Serial Clock programmable Phase and Polarity

– SPI Serial Clock (SCK) Frequency up to MCK/4

• IrDA modulation and demodulation

– Communication at up to 115.2 Kbps

• Test Modes

– Remote Loopback, Local Loopback, Automatic Echo

12.5

Synchronous Serial Controller (SSC)

• Provides serial synchronous communication links used in audio and telecom applications

(with CODECs in Master or Slave Modes, I

2S, TDM Buses, Magnetic Card Reader)

• Contains an independent receiver and transmitter and a common clock divider

• Offers 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

12.6

Timer Counter (TC)

• Six 16-bit Timer Counter Channels

• Wide range of functions including:

– Frequency Measurement

– Event Counting

ATSAM3S Datenblatt(PDF) 49 Page - ATMEL Corporation

ATSAM3S Datenblatt(HTML) 49 Page - ATMEL Corporation

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