Datasheet

37
AT32UC3A
– 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
• SPI Mode
– Master or Slave
– Serial Clock Programmable Phase and Polarity
– SPI Serial Clock (SCK) Frequency up to Internal Clock Frequency PBA/4
• Supports Connection of Two Peripheral DMA Controller Channels (PDC)
– Offers Buffer Transfer without Processor Intervention
10.11.8 Serial Synchronous Controller
•
Provides serial synchronous communication links used in audio and telecom applications (with
CODECs in Master or Slave Modes, I2S, 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
10.11.9 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
10.11.10 Pulse Width Modulation Controller
•
7 channels, one 20-bit counter per channel
• Common clock generator, providing Thirteen Different Clocks
– A Modulo n counter providing eleven clocks
– Two independent Linear Dividers working on modulo n counter outputs
• Independent channel programming
– Independent Enable Disable Commands
– Independent Clock
– Independent Period and Duty Cycle, with Double Bufferization
– Programmable selection of the output waveform polarity
– Programmable center or left aligned output waveform
32058KS–AVR32–01/12