AT91SAM9263_09 Datasheet, PDF (44/51 Pages) ATMEL Corporation – AT91 ARM Thumb Microcontrollers

10.5.6
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
10.5.7
Pulse Width Modulation Controller
• 4 channels, one 16-bit counter per channel
• Common clock generator, providing thirteen different clocks
– 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 selection
– Independent period and duty cycle, with double bufferization
– Programmable selection of the output waveform polarity
– Programmable center or left aligned output waveform
10.5.8
Multimedia Card Interface
• Two double-channel Multimedia Card Interfaces, allowing concurrent transfers with 2 cards
• Compatibility with MultiMediaCard Specification Version 3.31
• Compatibility with SD Memory Card Specification Version 1.0
• Compatibility with SDIO Specification Version V1.1
• 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 MultiMediaCard bus (up to 30 cards) or
– One SD Memory Card
• Support for stream, block and multi-block data read and write
10.5.9
CAN Controller
• Fully compliant with 16-mailbox CAN 2.0A and 2.0B CAN Controllers
44 AT91SAM9263 Preliminary
6249GS–ATARM–06-Jan-09