Datasheet

37
6062LS–ATARM–23-Mar-09
AT91SAM9261
• Test Modes
– Remote Loopback, Local Loopback, Automatic Echo
10.10 Synchronous Serial Controller
• 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 and
more).
• 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.
10.11 Timer Counter
• Three 16-bit Timer Counter Channels
• Wide range of functions including:
– Frequency Measurement
– Event Counting
– Interval Measurement
– Pulse Generation
–Delay Timing
– Pulse Width Modulation
– Up/down Capabilities
• Each channel is user-configurable and contains:
– Three external clock inputs
– Five internal clock inputs
– Two multi-purpose input/output signals
• Two global registers that act on all three TC Channels
10.12 Multimedia Card Interface
• Compatibility with MultiMedia Card Specification Version 2.2
• Compatibility with SD Memory Card Specification Version 1.0
• Cards clock rate up to Master Clock divided by 2
• Embedded power management to slow down clock rate when not used
• Each MCI has two slots, each supporting
– One slot for one MultiMedia Card bus (up to 30 cards) or
– One SD Memory Card
• Support for stream, block and multi-block data read and write