DSPIC33FJ12MC202 Microchip Technology Inc., DSPIC33FJ12MC202 Datasheet - Page 143

• Manufacturer Part Number: DSPIC33FJ12MC202
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

TABLE 13-1:
TABLE 13-2:
TABLE 13-3:
FIGURE 13-1:
© 2007 Microchip Technology Inc.
Timer Prescaler Ratio
Period Register Value
Resolution (bits)
Timer Prescaler Ratio
Period Register Value
Resolution (bits)
Timer Prescaler Ratio
Period Register Value
Resolution (bits)
Note 1: Where ‘x’ is shown, reference is made to the registers associated with the respective output compare
PWM Frequency
PWM Frequency
PWM Frequency
2: OCFA pin controls OC1-OC2 channels.
3: TMR2/TMR3 can be selected via OCTSEL (OCxCON<3>) bit.
channels 1 through 8.
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 4 MIPS (F
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 16 MIPS (F
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 40 MIPS (F
16
TMR register inputs
from time bases
Comparator
OCxRS
OCxR
0
OUTPUT COMPARE MODULE BLOCK DIAGRAM
(1)
(1)
1
16
30.5 Hz
FFFFh
FFFFh
FFFFh
7.6 Hz
76 Hz
OCTSEL
(3)
16
16
16
8
8
8
Period match signals
from time bases
244 Hz
610 Hz
FFFFh
FFFFh
FFFFh
61 Hz
0
16
16
16
1
1
1
Preliminary
1
dsPIC33FJ12MC201/202
1.22 Hz
122 Hz
488 Hz
7FFFh
7FFFh
7FFFh
OCM2:OCM0
(3)
Mode Select
15
15
15
1
1
1
Output
Logic
3
Set Flag bit
OCxIF
9.77 kHz
3.9 kHz
977 Hz
0FFFh
0FFFh
0FFFh
12
12
12
1
1
1
(1)
R
S
Q
Output Enable
15.6 kHz
3.9 kHz
39 kHz
03FFh
03FFh
03FFh
10
10
10
1
1
1
31.3 kHz
125 kHz
313 kHz
007Fh
007Fh
007Fh
OCx
OCFA
CY
1
7
CY
1
7
CY
1
7
DS70265B-page 141
(1)
= 4 MHz)
(2)
= 16 MHz)
= 40 MHz)
1.25 MHz
125 kHz
500 kHz
001Fh
001Fh
001Fh
1
5
1
5
1
5