Datasheet

45
6289CS–ATARM–28-May-09
AT91SAM9R64/RL64
– 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
• 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
11.4 Serial Synchronous Controller (SSC)
• Provides serial synchronous communication links used in audio and telecom applications
(with CODECs in Master or Slave Modes, I
2
S, TDM Buses, Magnetic Card Reader, etc.)
• 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
11.5 AC97 Controller
• Compatible with AC97 Component Specification V2.2
• Capable to Interface with a Single Analog Front end
• Three independent RX Channels and three independent TX Channels
– One RX and one TX channel dedicated to the AC97 Analog Front end control
– One RX and one TX channel for data transfers, associated with a PDC
– One RX and one TX channel for data transfers with no PDC
• Time Slot Assigner allowing to assign up to 12 time slots to a channel
• Channels support mono or stereo up to 20 bit sample length
– Variable sampling rate AC97 Codec Interface (48KHz and below)
11.6 Timer Counter (TC)
• Three 16-bit Timer Counter Channels
• Wide range of functions including:
– Frequency Measurement
– Event Counting
– Interval Measurement
– Pulse Generation