AT91SAM7X512 ATMEL Corporation, AT91SAM7X512 Datasheet - Page 36

• Manufacturer Part Number: AT91SAM7X512
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL Corporation

10.9
10.10 Serial Synchronous Controller
10.11 Timer Counter
36
USART
AT91SAM7X512/256/128 Preliminary Summary
• One, two or three bytes for slave address
• Sequential read/write operations
• 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
• IrDA modulation and demodulation
• Test Modes
• 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
• Receiver and transmitter include a data signal, a clock signal and a frame synchronization
• Three 16-bit Timer Counter Channels
• Wide range of functions including:
different event on the frame sync signal
signal
– 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
– NACK handling, error counter with repetition and iteration limit
– Communication at up to 115.2 Kbps
– Remote Loopback, Local Loopback, Automatic Echo
– Three output compare or two input capture
– Frequency measurement
– Event counting
– Interval measurement
– Pulse generation
6120DS–ATARM–03-Oct-06