PXN20RM Datasheet, PDF (816/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Media Local Bus (MLB)
27.5.4 Channel Interrupts
ProcessCint
Read interrupts from CICR
at PBI address 0x0C
n=0
n ++
yes
CICRn
== 1?
no
Read channel status from CSCRn
at PBI address 0x11 + 4 * n
Ping-Pong no
Buffering?
yes
ProcCintDMA
ProcCintDMACir
ReturnCintDMA
ReturnCintDMACir
yes
n<
num_of_chans?
no
CLEAR INTERRUPTS:
Write CSCRn to 0x0000_FFFF
at PBI address 0x11 + 4 * n
ReturnCint
Figure 27-27. Channel Interrupt
27-44
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor