SAM3X datasheet(50/71 Pages) ATMEL

50 / 71 page

11057BS–ATARM–13-Jul-12

SAM3X/A

11057BS–ATARM–13-Jul-12

SAM3X/A

11.2

Peripheral Signal Multiplexing on I/O Lines

The SAM3X/A series product features 3 PIO (SAM3A and 100-pin SAM3X) or 4 PIO (144-pin

SAM3X) controllers, PIOA, PIOB, PIOC, PIOD, PIOE and PIOF, which multiplexes the I/O lines

of the peripheral set.

Each PIO Controller controls up to 32 lines. Each line can be assigned to one of two peripheral

functions, A or B. The multiplexing tables in the following paragraphs define how the I/O lines of

the peripherals A and B are multiplexed on the PIO Controllers. The column “Comments” has

been inserted in this table for the user’s own comments; it may be used to track how pins are

defined in an application.

Note that some peripheral function, which are output only, might be duplicated within both

tables.

TC3

Timer Counter 3

TC4

Timer Counter 4

TC5

Timer Counter 5

TC6

Timer Counter 6

TC7

Timer Counter 7

TC8

Timer Counter 8

PWM

Pulse Width Modulation Controller

ADC

ADC Controller

DACC

DAC Controller

DMAC

DMA Controller

UOTGHS

USB OTG High Speed

TRNG

True Random Number Generator

EMAC

Ethernet MAC

CAN0

CAN Controller 0

CAN1

CAN Controller 1

Table 11-1.

Peripheral Identifiers (Continued)

Instance ID

Instance Name

NVIC Interrupt

PMC Clock Control

Instance Description

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