PIC18F2685-I/SP Microchip Technology, PIC18F2685-I/SP Datasheet - Page 183

• Manufacturer Part Number: PIC18F2685-I/SP
• Description: IC PIC MCU FLASH 48KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2685-I/SP

• Program Memory Type: FLASH
• Program Memory Size: 96KB (48K x 16)
• Package / Case: 28-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3.25 KB
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 28
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Package: 28SPDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 16-8:
FIGURE 16-9:
© 2009 Microchip Technology Inc.
Note 1:
External Switch C
External Switch D
Note 1:
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
2:
Shoot-Through
SIGNAL
2:
3:
The direction bit in the ECCP1 Control register (ECCP1CON<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.
Current
Potential
All signals are shown as active-high.
t
t
ON
OFF
P1C
P1D
P1A
P1B
PWM DIRECTION CHANGE
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
is the turn-on delay of power switch QC and its driver.
is the turn-off delay of power switch QD and its driver.
(1)
(1)
(1)
(1)
(1)
(1)
(1)
OSC
, 16 T
DC
OSC
or 64 T
Forward Period
PIC18F2682/2685/4682/4685
Period
OSC
DC
, depending on the Timer2 prescaler value. The modulated P1B and
(1)
t1
DC
(Note 2)
t
ON
t
t = t
(2)
OFF
Reverse Period
(3)
OFF
Period
DC
– t
ON
(2,3)
DS39761C-page 183