PIC18F1220 MICROCHIP [Microchip Technology], PIC18F1220 Datasheet - Page 122

• Manufacturer Part Number: PIC18F1220
• Description: 18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F1220/1320
FIGURE 15-3:
FIGURE 15-4:
DS39605C-page 120
Note:
CCPR1H (Slave)
00
10
01
11
Duty Cycle Registers
Comparator
CCPR1L
PR2
(Single Output)
TMR2
CCP1CON<7:6>
Comparator
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
Forward)
Reverse)
The 8-bit TMR2 register is concatenated with the 2-bit internal Q clock, or 2 bits of the prescaler to create the
10-bit time base.
(Note 1)
SIMPLIFIED BLOCK DIAGRAM OF THE ENHANCED PWM MODULE
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
Clear Timer,
set CCP1 pin and
latch D.C.
CCP1CON<5:4>
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
SIGNAL
R
S
P1M1<1:0>
Q
0
Delay
CCP1DEL
Controller
Output
2
CCP1/P1A
(1)
Cycle
P1C
P1D
Duty
P1B
4
CCP1M<3:0>
TRISB<3>
TRISB<2>
TRISB<6>
TRISB<7>
Delay
Period
(1)
 2004 Microchip Technology Inc.
RB3/CCP1/P1A
RB2/P1B/INT2
RB6/PGC/T1OSO/T13CKI/
P1C/KBI2
RB7/PGD/T1OSI/P1D/KBI3
PR2+1