Datasheet

40
11011AS–ATARM–04-Oct-10
SAM3N Summary
– Multi-drive option enables driving in open drain
– Programmable pull up on each I/O line
– Pin data status register, supplies visibility of the level on the pin at any time
• Selection of the drive level
• Synchronous output, provides Set and Clear of several I/O lines in a single write
10. Peripherals
10.1 Peripheral Identifiers
Table 10-1 defines the Peripheral Identifiers of the SAM3N4/2/1. A peripheral identifier is
required for the control of the peripheral interrupt with the Nested Vectored Interrupt Controller
and for the control of the peripheral clock with the Power Management Controller.
Table 10-1. Peripheral Identifiers
Instance ID Instance Name NVIC Interrupt PMC Clock Control Instance Description
0 SUPC X Supply Controller
1 RSTC X Reset Controller
2 RTC X Real Time Clock
3 RTT X Real Time Timer
4 WDT X Watchdog Timer
5 PMC X Power Management Controller
6 EEFC X Enhanced Flash Controller
7 - - Reserved
8 UART0 XXUART 0
9 UART1 XXUART 1
10 - --Reserved
11 PIOA XXParallel I/O Controller A
12 PIOB XXParallel I/O Controller B
13 PIOC XXParallel I/O Controller C
14 USART0 XXUSART 0
15 USART1 XXUSART 1
16 - --Reserved
17 - --Reserved
18 - --Reserved
19 TWI0 XXTwo Wire Interface 0
20 TWI1 XXTwo Wire Interface 1
21 SPI XXSerial Peripheral Interface
22 - --Reserved
23 TC0 XXTimer/Counter 0
24 TC1 XX
Timer/Counter 1