Freescale Semiconductor MCF54455 Reference Manual page 403

Interrupt Controller Modules
Table 17-15. Interrupt Source Assignment For INTC0 (continued)
Source Module
62 SCM SCMIR[CFEI]
63 RTC RTC_ISR
Source Module Flag
0–32
33 DSPI_SR[EOQF]
34 DSPI_SR[TFFF]
35 DSPI_SR[TCF]
36 DSPI_SR[TFUF]
DSPI
37 DSPI_SR[RFDF]
38 DSPI_SR[RFOF]
39 DSPI_SR[RFOF] or
DSPI_SR[TFUF]
40 RNG EI
41–42
43 PIT0 PCSR0[PIF]
44 PIT1 PCSR1[PIF]
45 PIT2 PCSR2[PIF]
46 PIT3 PCSR3[PIF]
47 USB USB_STS
OTG
48
49 SSI SSI_ISR
50–52
53 CCM UOCSR
54 ATA ATA_ISR
55 PCI PCIGSCR
56 PCI PASR
57 PLL PSR[LOCKS]
58–63
17-14
Flag Source Description
Core bus error interrupt
Real Time Clock Interrupt
Table 17-16. Interrupt Source Assignment for INTC1
Source Description
End of queue interrupt
Transmit FIFO fill interrupt
Transfer complete interrupt
Transmit FIFO underflow interrupt
Receive FIFO not empty interrupt
Receive FIFO overflow interrupt
Receive FIFO overflow or
transmit FIFO underflow interrupt
RNG interrupt flag
PIT interrupt flag
PIT interrupt flag
PIT interrupt flag
PIT interrupt flag
USB OTG interrupt
SSI interrupt
USB status Interrupt
ATA interrupt
PCI interrupt
PCI arbiter interrupt
PLL loss-of-lock interrupt
Flag Clearing Mechanism
Write SCMIR[CFEI] = 1
Write one to corresponding bit in RTC_ISR.
Flag Clearing Mechanism
Not Used
Write 1 to EOQF.
Write 1 to TFFF.
Write 1 to TCF.
Write 1 to TFUF.
Write 1 to RFDF after reading the DSPI_POPR register.
Write 1 to RFOF.
Write 1 to either RFOF or TFUF.
Write RNGCR[CI] = 1
Not Used
Write PIF = 1 or write PMR
Write PIF = 1 or write PMR
Write PIF = 1 or write PMR
Write PIF = 1 or write PMR
Write 1 to corresponding bit in the USB_STS.
Not Used
Various, see chapter for details.
Not Used
Read UOCSR.
Write a 1 to the necessary bit in ATA_ICR.
Write a 1 to the necessary bit in PCIGSCR.
Write a 1 to the necessary bit in PASR or to PACR[RA].
Wrtie a 0 to PSR[LOCKS]
Not Used
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