Microchip Technology MA330028 データシート
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70000657H-page 234
2011-2013 Microchip Technology Inc.
REGISTER 16-5:
CHOP: PWMx CHOP CLOCK GENERATOR REGISTER
R/W-0
U-0
U-0
U-0
U-0
U-0
R/W-0
R/W-0
CHPCLKEN
—
—
—
—
—
CHOPCLK<9:8>
bit 15
bit 8
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
CHOPCLK<7:0>
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
CHPCLKEN:
Enable Chop Clock Generator bit
1
= Chop clock generator is enabled
0
= Chop clock generator is disabled
bit 14-10
Unimplemented:
Read as ‘0’
bit 9-0
CHOPCLK<9:0>:
Chop Clock Divider bits
The frequency of the chop clock signal is given by the following expression:
Chop Frequency = (F
Chop Frequency = (F
P
/PCLKDIV<2:0)/(CHOPCLK<9:0> + 1)
REGISTER 16-6:
MDC: PWMx MASTER DUTY CYCLE REGISTER
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
MDC<15:8>
bit 15
bit 8
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
MDC<7:0>
bit 7
bit 0
Legend:
R = Readable bit
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-0
MDC<15:0>:
PWMx Master Duty Cycle Value bits