PIC18F6585-I/PT Microchip Technology Inc., PIC18F6585-I/PT Datasheet - Page 185

• Manufacturer Part Number: PIC18F6585-I/PT
• Description: 64 PIN, 48 KB FLASH, 3328 RAM, 52 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F6585-I/PT

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 53
• Interface: CAN/I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 48K Bytes
• Ram Size: 3.3K Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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