PIC18F8722-I/PT Microchip Technology Inc., PIC18F8722-I/PT Datasheet - Page 196

• Manufacturer Part Number: PIC18F8722-I/PT
• Description: 80 PIN, 128 KB FLASH, 4K RAM, 70 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F8722-I/PT

• A/d Inputs: 16-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 70
• Interface: SPI/I2C/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 80-pin TQFP
• Programmable Memory: 128K Bytes
• Ram Size: 3.9K Bytes
• Speed: 40 MHz
• Timers: 2-8 bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F8722 FAMILY
18.4.3
The P1M1:P1M0 bits in the CCP1CON register allow
one of four configurations:
• Single Output
• Half-Bridge Output
• Full-Bridge Output, Forward mode
• Full-Bridge Output, Reverse mode
FIGURE 18-2:
DS39646B-page 194
Relationships:
• Period = 4 * T
• Duty Cycle = T
• Delay = 4 * T
Note 1:
00
10
01
11
PWM OUTPUT CONFIGURATIONS
CCP1CON<7:6>
(Single Output)
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
Reverse)
Forward)
Dead-band delay is programmed using the ECCP1DEL register (Section 18.4.6 “Programmable
Dead-Band Delay”).
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
OSC
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
SIGNAL
Preliminary
0
Delay
The Single Output mode is the standard PWM mode
discussed in Section 18.4 “Enhanced PWM Mode”.
The Half-Bridge and Full-Bridge Output modes are
covered in detail in the sections that follow.
The general relationship of the outputs in all
configurations is summarized in Figure 18-2.
(1)
Cycle
Duty
Delay
Period
(1)
 2004 Microchip Technology Inc.
PR2 + 1