Datasheet

 2010-2012 Microchip Technology Inc. DS41413C-page 215
PIC12(L)F1822/PIC16(L)F1823
TABLE 24-9: EXAMPLE PIN ASSIGNMENTS FOR VARIOUS PWM ENHANCED MODES
FIGURE 24-6: EXAMPLE PWM (ENHANCED MODE) OUTPUT RELATIONSHIPS (ACTIVE-HIGH
STATE)
ECCP Mode P1M<1:0> CCP1/P1A P1B P1C
(2)
P1D
(2)
Single 00 Yes
(1)
Yes
(1)
Yes
(1)
Yes
(1)
Half-Bridge 10 Yes Yes No No
Full-Bridge, Forward
(2)
01 Yes Yes Yes Yes
Full-Bridge, Reverse
(2)
11 Yes Yes Yes Yes
Note 1: PWM Steering enables outputs in Single mode.
2: PIC16(L)F1823 only.
0
Period
00
10
01
11
Signal
PRX+1
PxM<1:0>
PxA Modulated
PxA Modulated
PxB Modulated
PxA Active
PxB Inactive
PxC Inactive
PxD Modulated
PxA Inactive
PxB Modulated
PxC Active
PxD Inactive
Pulse
Width
(Single Output)
(Half-Bridge)
(Full-Bridge,
Forward)
(Full-Bridge,
Reverse)
Delay
Delay
Relationships:
• Period = 4 * T
OSC * (PRx + 1) * (TMRx Prescale Value)
• Pulse Width = T
OSC * (CCPRxL<7:0>:CCPxCON<5:4>) * (TMRx Prescale Value)
• Delay = 4 * T
OSC * (PWMxCON<6:0>)