AT91SAM9263-CU datasheet(44/1110 Pages) ATMEL

44 / 1110 page

6249H–ATARM–27-Jul-09

AT91SAM9263 Preliminary

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

AT91SAM9263-CU Datasheet(PDF) 44 Page - ATMEL Corporation

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