Microchip Technology AC164337 Data Sheet
dsPIC30F1010/202X
DS70000178D-page 108
2006-2014 Microchip Technology Inc.
FIGURE 12-1:
SIMPLIFIED CONCEPTUAL BLOCK DIAGRAM OF POWER SUPPLY PWM
MUX
Latch
Comparator
Timer
PDC2
Phase
MUX
Latch
Comparator
Timer
PDC3
Phase
MUX
Latch
Comparator
Timer
PDC4
Phase
MUX
Latch
Comparator
Timer
PDC1
PWMCONx
LEBCONx
Channel 1
Dead-time Generator
PTCON
SEVTCMP
Comparator
Special Event
IOCONx
PWM enable and mode control
Channel 3
Dead-time Generator
Channel 4
Dead-time Generator
ALTDTRx, DTRx
Dead-time Control
Special Event
Postscaler
SFLT
X
PWM3L
PWM3H
PWM2L
PWM2H
1
6
-b
it Da
ta
Bu
s
PWM1L
PWM1H
FLTCONx
Pin and mode control
MDC
ADC Trigger Control
Master Duty Cycle Reg
Fault mode and pin control
Pin override control
Special event
PTPER
Timer Period
PWM GEN #1
PWM GEN #2
PWM GEN #4
PTMR
Master Time Base
Phase
PWM GEN #3
Channel 2
Dead-time Generator
PWM4L
PWM4H
P
W
M
U
s
e
r, C
u
rre
nt
Li
mi
t
and
F
aul
t
Over
ri
d
e
a
nd R
outi
n
g L
o
g
ic
F
a
u
lt
C
L
M
T
Over
ri
de
Lo
gi
c
Trigger
comparison value
IFLT
X
Fault Control
Logic
TRGCONx
Control for blanking external input signals
External Time Base
Synchronization
SYNCO
SYNCI