User manual
8. Peripheral Identifiers
The Peripheral Identifiers are used to address the corresponding peripheral unit in the interrupt
controller (AIC) and in the power management controller (PMC).
ID Mnemonic Usage External
Interrupt
0 FIQ External Fast IRQ FIQ
1 SYSIRQ System Interrupt: OR'red IRQs of
SDRAMC, DBGU, PIT, RTT, WDT, RST, PMC
2 PIOA Parallel I/O Controller A
3 PIOB Parallel I/O Controller B
4 PIOC Parallel I/O Controller C
5 Reserved
6 USART0 Synchronous or Asynchronous Serial Port #0
7 USART1 Synchronous or Asynchronous Serial Port #1
8 USART2 Synchronous or Asynchronous Serial Port #2
9 MCI Multi-Media Card / SD-Card
10 UDP USB Device
11 TWI Two Wire Interface (I²C-Bus)
2 SPI0 Serial Peripheral Interface #0
13 SPI1 Serial Peripheral Interface #1
14 SSC0 Serial Synchronous Controller (I²S) #0
15 SSC1 Serial Synchronous Controller (I²S) #1
16 SSC2 Serial Synchronous Controller (I²S) #2
17 TC0 Timer Counter #0
18 TC1 Timer Counter #1
19 TC2 Timer Counter #2
20 UHP USB Host
21 LCDC LCD Controller
22 Reserved
23 Reserved
24 Reserved
25 Reserved
26 Reserved
27 Reserved
28 Reserved
29 IRQ0 External IRQ0 IRQ0
30 IRQ1 External IRQ1 IRQ1
31 IRQ2 External IRQ2 IRQ2