PIC18F2221 MICROCHIP [Microchip Technology], PIC18F2221 Datasheet - Page 153

• Manufacturer Part Number: PIC18F2221
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 16-2:
FIGURE 16-3:
© 2007 Microchip Technology Inc.
Relationships:
• Period = 4 * T
• Duty Cycle = T
• Delay = 4 * T
Note 1:
00
10
01
11
00
10
01
11
(Single Output)
CCP1CON
(Single Output)
(Half-Bridge)
CCP1CON
(Full-Bridge,
(Full-Bridge,
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
Forward)
Reverse)
Reverse)
Forward)
<7:6>
<7:6>
Dead-band delay is programmed using the ECCP1DEL register (see Section 16.4.6 “Programmable
Dead-Band Delay”).
OSC
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
PWM OUTPUT RELATIONSHIPS (ACTIVE-LOW STATE)
OSC
OSC
* (ECCP1DEL<6:0>)
* (PR2 + 1) * (TMR2 Prescale Value)
* (CCPR1L<7:0>:CCP1CON<5:4>) * (TMR2 Prescale Value)
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
SIGNAL
SIGNAL
Preliminary
0
0
Delay
Delay
(1)
(1)
PIC18F4321 FAMILY
Cycle
Duty
Cycle
Duty
Delay
Period
Delay
Period
(1)
(1)
DS39689E-page 151
PR2 + 1
PR2 + 1