PIC18F2431-E/SP Microchip Technology, PIC18F2431-E/SP Datasheet - Page 182
![IC MCU FLASH 8KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F2431-E/SP
Manufacturer Part Number
PIC18F2431-E/SP
Description
IC MCU FLASH 8KX16 28-DIP
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.PIC18F4331-EP.pdf
(400 pages)
Specifications of PIC18F2431-E/SP
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
24
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 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB18F4431 - BOARD DAUGHTER ICEPIC3AC164035 - MODULE SKT FOR 18F2X31 28SOICDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F2431-E/SP
Manufacturer:
Microchip Technology
Quantity:
135
- 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
- PIC18F4331-EP PDF datasheet #8
- Current page: 182 of 392
- Download datasheet (4Mb)
PIC18F2331/2431/4331/4431
18.4.2
When the PWM time base is in the Single-Shot mode
(PTMOD<1:0> = 01), an interrupt event is generated
when a match with the PTPER register occurs. The
PWM Time Base register (PTMR) is reset to zero on
the following input clock edge and the PTEN bit is
cleared. The postscaler selection bits have no effect in
this Timer mode.
FIGURE 18-6:
DS39616D-page 182
PTMR_INT_REQ
PTMR_INT_REQ
Note 1: Interrupt flag bit, PTIF, is sampled here (every Q1).
A: PRESCALER = 1:1
B: PRESCALER = 1:4
2: PWM Time Base Period register, PTPER, is loaded with the value, FFFh, for this example.
PTIF bit
PTIF bit
F
PTMR
PTMR
OSC
INTERRUPTS IN SINGLE-SHOT
MODE
/4
Q1
Qc
1
1
Q2
Qc
PWM TIME BASE INTERRUPT TIMING, SINGLE-SHOT MODE
FFEh
FFEh
Q3
Qc
Q4
Qc
Q1
1
Qc
1
2
2
Q2
Qc
FFFh
FFFh
Q3
Qc
Q4
Qc
Qc
Q1
1
1
Q4
Qc
Q2
Q4
18.4.3
In
(PTMOD<1:0> = 10), an interrupt event is generated
each time the value of the PTMR register becomes
zero and the PWM time base begins to count upwards.
The postscaler selection bits may be used in this mode
of the timer to reduce the frequency of the interrupt
events.
Up/Down Count mode.
000h
000h
Q3
Qc
the
Figure 18-7
Q4
Qc
INTERRUPTS IN CONTINUOUS
UP/DOWN COUNT MODE
Continuous
Q1
Qc
Q2
Qc
shows the interrupts in Continuous
000h
000h
Q3
Qc
2010 Microchip Technology Inc.
Up/Down
Q4
Qc
Q1
Qc
Q2
Qc
Count
000h
000h
Q3
Qc
Q4
Qc
mode
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