Datasheet

 2011-2012 Microchip Technology Inc. DS41441C-page 189
PIC12(L)F1840
TABLE 24-8: EXAMPLE PIN ASSIGNMENTS FOR VARIOUS PWM ENHANCED MODES
FIGURE 24-6: EXAMPLE PWM (ENHANCED MODE) OUTPUT RELATIONSHIPS (ACTIVE-HIGH
STATE)
FIGURE 24-7: EXAMPLE ENHANCED PWM OUTPUT RELATIONSHIPS (ACTIVE-LOW STATE)
ECCP Mode P1M<1:0> CCP1/P1A P1B
Single 00 Yes
(1)
Yes
(1)
Half-Bridge 10 Yes Yes
Note 1: PWM Steering enables outputs in Single mode.
0
Period
00
10
Signal
PR2+1
P1M<1:0>
P1A Modulated
P1A Modulated
P1B Modulated
Pulse
Width
(Single Output)
(Half-Bridge)
Delay
Delay
Relationships:
• Period = 4 * T
OSC * (PR2 + 1) * (TMRx Prescale Value)
• Pulse Width = T
OSC * (CCPR1L<7:0>:CCP1CON<5:4>) * (TMRx Prescale Value)
• Delay = 4 * T
OSC * (PWM1CON<6:0>)
0
Period
00
10
Signal
PR2+1
P1M<1:0>
P1A Modulated
P1A Modulated
P1B Modulated
Pulse
Width
(Single Output)
(Half-Bridge)
Delay
Delay
Relationships:
• Period = 4 * T
OSC * (PR2 + 1) * (TMRx Prescale Value)
• Pulse Width = T
OSC * (CCPR1L<7:0>:CCP1CON<5:4>) * (TMRx Prescale Value)
• Delay = 4 * T
OSC * (PWM1CON<6:0>)