PIC18F4580-E/PT Microchip Technology, PIC18F4580-E/PT Datasheet - Page 185

• Manufacturer Part Number: PIC18F4580-E/PT
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4580-E/PT

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 17-8:
FIGURE 17-9:
© 2009 Microchip Technology Inc.
Note 1: The direction bit in the CCP1 Control register (CCP1CON<7>) is written any time during the PWM cycle.
Note 1:
External Switch C
External Switch D
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
2: When changing directions, the P1A and P1C signals switch before the end of the current PWM cycle at intervals
Shoot-Through
SIGNAL
2:
3:
of 4 T
are inactive at this time.
Current
All signals are shown as active-high.
t
t
Potential
ON
OFF
OSC
P1C
P1D
P1A
P1B
is the turn-on delay of power switch QC and its driver.
is the turn-off delay of power switch QD and its driver.
PWM DIRECTION CHANGE
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
, 16 T
(1)
(1)
(1)
(1)
(1)
(1)
(1)
OSC
or 64 T
DC
OSC
, depending on the Timer2 prescaler value. The modulated P1B and P1D signals
Forward Period
PIC18F2480/2580/4480/4580
Period
DC
(1)
t1
DC
(Note 2)
t
ON
Reverse Period
t
t = t
(2)
OFF
(3)
OFF
Period
DC
– t
ON
(2,3)
DS39637D-page 185