PIC18F4585-I/PT Microchip Technology, PIC18F4585-I/PT Datasheet - Page 183

• Manufacturer Part Number: PIC18F4585-I/PT
• Description: IC MCU FLASH 24KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4585-I/PT

• Core Size: 8-Bit
• Program Memory Size: 48KB (24K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 3.25K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 1024Byte
• Ram Memory Size: 3.25KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPI3-DB18F4680 - BOARD DAUGHTER ICEPIC3AC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 16-8:
FIGURE 16-9:
© 2007 Microchip Technology Inc.
Note 1:
External Switch C
External Switch D
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
Note 1:
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
intervals of 4 T
P1D signals are inactive at this time.
2:
3:
Current
Potential
P1C
P1D
P1A
P1B
All signals are shown as active-high.
t
t
ON
OFF
PWM DIRECTION CHANGE
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
(1)
(1)
(1)
(1)
(1)
(1)
(1)
is the turn-on delay of power switch QC and its driver.
is the turn-off delay of power switch QD and its driver.
OSC
, 16 T
OSC
DC
or 64 T
Forward Period
PIC18F2585/2680/4585/4680
Period
OSC
DC
, depending on the Timer2 prescaler value. The modulated P1B and
Preliminary
(1)
t1
DC
(Note 2)
t
ON
Reverse Period
t
t = t
(2)
OFF
(3)
OFF
Period
DC
– t
ON
(2,3)
DS39625C-page 181