PXS20RM Datasheet, PDF (710/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Flexible Motor Control Pulse Width Modulator Module (FlexPWM)
Core
Interrupt
REF
FFLAG
Table 25-6. Interrupt summary (continued)
Interrupt
Flag
REF_0
REF_1
REF_2
REF_3
FFLAG
Interrupt
Enable
Name
Description
REIE_0
REIE_1
REIE_2
REIE_3
FIE
Submodule 0 reload error Reload error has occurred
interrupt
Submodule 1 reload error
interrupt
Submodule 2 reload error
interrupt
Submodule 3 reload error
interrupt
Fault input interrupt Fault condition has been detected
25.6 DMA
Each submodule can request a DMA read access for its capture FIFOs and a DMA write request for its
double buffered VALx registers.
Table 25-7. DMA Summary
DMA
Request
DMA
Enable
Name
Description
Submodule
0 read
request
CX0DE_0
CX1DE_0
Capture FIFO X0 read CVAL0 contains a value to be read
request
Capture FIFO X! read CVAL1 contains a value to be read
request
CAPTDE_0 Capture FIFO read Selects source of read DMA request
request source select
Submodule VALDE_0
0 write
request
VALx write request VALx registers need to be updated
Submodule
1 read
request
CX0DE_1
CX1DE_1
Capture FIFO X0 read CVAL0 contains a value to be read
request
Capture FIFO X! read CVAL1 contains a value to be read
request
CAPTDE_1 Capture FIFO read Selects source of read DMA request
request source select
Submodule VALDE_1
1 write
request
VALx write request VALx registers need to be updated
Submodule
2 read
request
CX0DE_2
CX1DE_2
Capture FIFO X0 read CVAL0 contains a value to be read
request
Capture FIFO X! read CVAL1 contains a value to be read
request
CAPTDE_2 Capture FIFO read Selects source of read DMA request
request source select
25-64
PXS20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor