PIC18F4431-E/P Microchip Technology, PIC18F4431-E/P Datasheet - Page 177

IC MCU FLASH 8KX16 40DIP

PIC18F4431-E/P

Manufacturer Part Number
PIC18F4431-E/P
Description
IC MCU FLASH 8KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr

Specifications of PIC18F4431-E/P

Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
36
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC18
No. Of I/o's
36
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
EUSART, I2C, SPI, SSP
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
1 x 8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 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, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
9 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / Rohs Status
 Details

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FIGURE 18-4:
The PWM time base can be configured for four different
modes of operation:
• Free-Running mode
• Single-Shot mode
• Continuous Up/Down Count mode
• Continuous Up/Down Count mode with interrupts
 2010 Microchip Technology Inc.
for double updates
F
OSC
/4
Comparator
PWM TIME BASE BLOCK DIAGRAM
PTPER Buffer
PTPER
1:1, 1:4, 1:16, 1:64
Zero Match
Period Match
Prescaler
PTMR Register
Comparator
Update Disable (UDIS)
Period Load
PIC18F2331/2431/4331/4431
Period Match
Zero Match
Postscaler
1:1-1:16
Zero Match
Period Match
PTMOD1
PTMOD1
PTMOD0
PTMOD1
PTMOD0
Timer Reset
Up/Down
Interrupt
PTMR Clock
Control
Control
These four modes are selected by the PTMOD<1:0>
bits in the PTCON0 register. The Free-Running mode
produces
Continuous
center-aligned PWM generation. The Single-Shot
mode allows the PWM module to support pulse control
of certain Electronically Commutated Motors (ECMs)
and produces edge-aligned operation.
Direction
Clock
Control
Timer
edge-aligned
PTDIR
PTEN
PTMR Clock
Up/Down
PTIF
Count
PWM
Duty Cycle Load
DS39616D-page 177
modes
generation.
produce
The

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