SAM3A ATMEL [ATMEL Corporation], SAM3A Datasheet - Page 58
SAM3A
Manufacturer Part Number
SAM3A
Description
AT91SAM ARM-based Flash MCU
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.SAM3A.pdf
(71 pages)
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12.4
60
60
USART
SAM3X/A
SAM3X/A
• Programmable Baud Rate Generator
• 5- to 9-bit full-duplex synchronous or asynchronous serial communications
• RS485 with driver control signal
• ISO7816, T = 0 or T = 1 Protocols for interfacing with smart cards
• SPI Mode
• IrDA modulation and demodulation
• LIN Mode (USART0 only)
– Support for two PDC channels with connection to receiver and transmitter
– Connection to Peripheral DMA Controller or DMA Controller (TWI0) Channel
– 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
– NACK handling, error counter with repetition and iteration limit
– Master or Slave
– Serial Clock programmable Phase and Polarity
– SPI Serial Clock (SCK) Frequency up to MCK/6
– Communication at up to 115.2 Kbps
– Compliant with LIN 1.3 and LIN 2.0 specifications
– Master or Slave
– Processing of frames with up to 256 data bytes
– Response Data length can be configurable or defined automatically by the Identifier
– Self synchronization in Slave node configuration
– Automatic processing and verification of the “Synch Break” and the “Synch Field”
– The “Synch Break” is detected even if it is partially superimposed with a data byte
– Automatic Identifier parity calculation/sending and verification
– Parity sending and verification can be disabled
– Automatic Checksum calculation/sending and verification
– Checksum sending and verification can be disabled
– Support both “Classic” and “Enhanced” checksum types
– Full LIN error checking and reporting
– Frame Slot Mode: the Master allocates slots to the scheduled frames automatically
Capabilities Optimizes Data Transfers
11057BS–ATARM–13-Jul-12
11057BS–ATARM–13-Jul-12
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