PIC18F8722-I/PT Microchip Technology Inc., PIC18F8722-I/PT Datasheet - Page 201

• 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

FIGURE 18-8:
FIGURE 18-9:
 2004 Microchip Technology Inc.
Note 1: The direction bit in the ECCP1 Control register (CCP1CON<7>) is written any time during the PWM cycle.
Note 1: All signals are shown as active-high.
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
External Switch C
External Switch D
2: When changing directions, the P1A and P1C signals switch before the end of the current PWM cycle at intervals
Shoot-Through
SIGNAL
of 4 T
are inactive at this time.
2: t
3: t
Potential
ON
OFF
OSC
Current
is the turn-on delay of power switch QC and its driver.
PWM DIRECTION CHANGE
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
P1A
P1B
P1C
P1D
is the turn-off delay of power switch QD and its driver.
, 16 T
OSC
or 64 T
DC
OSC
, depending on the Timer2 prescaler value. The modulated P1B and P1D signals
Forward Period
Period
DC
Preliminary
(1)
PIC18F8722 FAMILY
t1
(Note 2)
DC
t
ON
Reverse Period
t
t = t
(2)
OFF
(3)
OFF
Period
DC
– t
(1)
ON
DS39646B-page 199