PIC18F4431-I/P Microchip Technology, PIC18F4431-I/P Datasheet - Page 207
![IC PIC MCU FLASH 8KX16 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F4431-I/P
Manufacturer Part Number
PIC18F4431-I/P
Description
IC PIC MCU FLASH 8KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC18F2331-ISO.pdf
(392 pages)
4.PIC18F2331-ISO.pdf
(8 pages)
5.PIC18F2331-ISO.pdf
(6 pages)
6.PIC18F2331-ISO.pdf
(16 pages)
7.PIC18LF2331-ISO.pdf
(40 pages)
8.PIC18F2431-ISP.pdf
(396 pages)
Specifications of PIC18F4431-I/P
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
Core Processor
PIC
Core Size
8-Bit
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
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 ~ 85°C
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
4
Operating Supply Voltage
2 V to 5.5 V
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, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
9-ch x 10-bit
Package
40PDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC18F2331-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18LF2331-ISO PDF datasheet #7
- PIC18F2431-ISP PDF datasheet #8
- Current page: 207 of 396
- Download datasheet (8Mb)
17.11 PWM Output and Polarity Control
There are three device configuration bits associated
with the PWM module that provide PWM output pin
control defined in CONFIG3L configuration register.
• HPOL configuration bit
• LPOL configuration bit
• PWMPIN configuration bit
These three configuration bits work in conjunction with
the three PWM enable bits (PWMEN2:PWMEN0) in the
PWMCON0 register. The configuration bits and PWM
enable bits ensure that the PWM pins are in the correct
states after a device Reset occurs.
FIGURE 17-23:
17.11.2
The polarity of the PWM I/O pins is set during device
programming via the HPOL and LPOL configuration
bits in the CONFIG3L device configuration register.
The HPOL configuration bit sets the output polarity for
the high-side PWM outputs, PWM1, PWM3, PWM5
and PWM7. The polarity is active-high when HPOL is
cleared (= 0), and active-low when it is set (= 1).
2003 Microchip Technology Inc.
Note:
I/O pin has protection diodes to V
OUTPUT POLARITY CONTROL
PWM signal from
module
WR PORT
WR TRIS
PWM Pin Enable
Data Bus
RD TRIS
RD PORT
PWM I/O PIN BLOCK DIAGRAM
Data Latch
TRIS Latch
D
CK
D
CK
DD
and V
PIC18F2331/2431/4331/4431
Q
Q
Q
Q
SS
Preliminary
. PWM polarity selection logic not shown for clarity.
1
0
17.11.1
The PWMEN2:PWMEN0 control bits enable each
PWM output pin as required in the application.
All PWM I/O pins are general purpose I/O. When a pair
of pins are enabled for PWM output, the PORT and
TRIS registers controlling the pin are disabled. Refer to
Figure 17-23 for details.
The LPOL configuration bit sets the output polarity for
the low-side PWM outputs, PWM0, PWM2, PWM4 and
PWM6. As with HPOL, they are active-high when LPOL
is cleared, and active-low when set.
All output signals generated by the PWM module are
referenced to the polarity control bits, including those
generated by fault inputs or manual override (see
Section 17.10 “PWM Output Override”).
The default polarity configuration bits have the PWM
I/O pins in active-high output polarity.
Q
EN
D
OUTPUT PIN CONTROL
V
V
P
N
DD
SS
TTL or
Schmitt
Trigger
I/O Pin
DS39616B-page 205
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