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SAM7X256_14 Datasheet, PDF (36/662 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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ï¬ Five internal clock inputs, as defined in Table 10-4
Table 10-4. Timer Counter Clocks Assignment
TC Clock input
Clock
TIMER_CLOCK1
MCK/2
TIMER_CLOCK2
MCK/8
TIMER_CLOCK3
MCK/32
TIMER_CLOCK4
MCK/128
TIMER_CLOCK5
MCK/1024
ï¬ Two multi-purpose input/output signals
ï¬ Two global registers that act on all three TC channels
10.12 Pulse Width Modulation Controller
ï¬ Four channels, one 16-bit counter per channel
ï¬ Common clock generator, providing thirteen different clocks
ï¬ One Modulo n counter providing eleven clocks
ï¬ Two independent linear dividers working on modulo n counter outputs
ï¬ Independent channel programming
ï¬ Independent enable/disable commands
ï¬ Independent clock selection
ï¬ Independent period and duty cycle, with double buffering
ï¬ Programmable selection of the output waveform polarity
ï¬ Programmable center or left aligned output waveform
10.13 USB Device Port
ï¬ USB V2.0 full-speed compliant,12 Mbits per second
ï¬ Embedded USB V2.0 full-speed transceiver
ï¬ Embedded 1352-byte dual-port RAM for endpoints
ï¬ Six endpoints
ï¬ Endpoint 0: 8 bytes
ï¬ Endpoint 1 and 2: 64 bytes ping-pong
ï¬ Endpoint 3: 64 bytes
ï¬ Endpoint 4 and 5: 256 bytes ping-pong
ï¬ Ping-pong Mode (two memory banks) for bulk endpoints
ï¬ Suspend/resume logic
10.14 CAN Controller
⢠Fully compliant with CAN 2.0A and 2.0B
⢠Bit rates up to 1Mbit/s
⢠Eight object oriented mailboxes each with the following properties:
ï¬ CAN Specification 2.0 Part A or 2.0 Part B Programmable for each Message
ï¬ Object configurable to receive (with overwrite or not) or transmit
ï¬ Local tag and mask filters up to 29-bit identifier/channel
ï¬ 32-bit access to data registers for each mailbox data object
ï¬ Uses a 16-bit time stamp on receive and transmit message
ï¬ Hardware concatenation of ID unmasked bitfields to speedup family ID processing
SAM7X Series [DATASHEET] 36
6120KâATARMâ11-Feb-14
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