PIC18F6680-I/L Microchip Technology, PIC18F6680-I/L Datasheet - Page 185

• Manufacturer Part Number: PIC18F6680-I/L
• Description: Microcontrollers (MCU) 64KB 3328 RAM 52 I/O
• Manufacturer: Microchip Technology

Specifications of PIC18F6680-I/L

• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3.25 KB
• Interface Type: I2C/SPI/AUSART/CAN
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 5
• Operating Supply Voltage: 4.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12-ch x 10-bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Package / Case: PLCC-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 16-9:
FIGURE 16-10:
 2004 Microchip Technology Inc.
Note 1:
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
External Switch C
External Switch D
Note 1: All signals are shown as active-high.
2:
Shoot-Through
SIGNAL
The direction bit in the CCP1 Control register (CCP1CON<7>) is written any time during the PWM cycle.
When changing directions, the P1A and P1C signals switch before the end of the current PWM cycle at inter-
vals of 4 T
signals are inactive at this time.
2: t
3: t
Potential
Current
ON
OFF
PWM DIRECTION CHANGE
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
P1A
P1B
P1C
P1D
is the turn on delay of power switch QC and its driver.
OSC
is the turn off delay of power switch QD and its driver.
, 16 T
OSC
or 64 T
DC
Forward Period
OSC
PIC18F6585/8585/6680/8680
, depending on the Timer2 prescaler value. The modulated P1B and P1D
Period
DC
(1)
t1
DC
(Note 2)
t
ON
Reverse Period
t
t = t
OFF
OFF
Period
DC
– t
ON
DS30491C-page 183