PIC18F2431-E/SO Microchip Technology, PIC18F2431-E/SO Datasheet - Page 161
PIC18F2431-E/SO
Manufacturer Part Number
PIC18F2431-E/SO
Description
IC MCU FLASH 8KX16 28SOIC
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/SO
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-SOIC (7.5mm Width)
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 ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- 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: 161 of 400
- Download datasheet (7Mb)
16.0
The Motion Feedback Module (MFM) is a special
purpose peripheral designed for motion feedback
applications. Together with the Power Control PWM
(PCPWM) module (see Section 17.0 “Power Control
PWM Module”), it provides a variety of control
solutions for a wide range of electric motors.
The module actually consists of two hardware
submodules:
• Input Capture (IC)
• Quadrature Encoder Interface (QEI)
Together with Timer5 (see Section 14.0 “Timer5
Module”), these modules provide a number of
options for motion and control applications.
TABLE 16-1:
© 2007 Microchip Technology Inc.
Submodule
IC (3x)
QEI
MOTION FEEDBACK MODULE
• Synchronous
• Input Capture
QEI
Velocity
Measurement
SUMMARY OF MOTION FEEDBACK MODULE FEATURES
Mode(s)
• Flexible Input Capture modes
• Available Prescaler
• Selectable Time Base Reset
• Special Event Trigger for ADC
• Wake-up from Sleep function
• Selectable Interrupt Frequency
• Optional Noise Filter
• Detect Position
• Detect Direction of Rotation
• Large Bandwidth (F
• Optional Noise Filter
• 2x and 4x Update modes
• Velocity Event Postscaler
• Counter Overflow Flag for Low
• Utilizes Input Capture 1 Logic
• High and Low Velocity Support
Sampling/Conversion or optional
TMR5 Reset feature (CAP1 only)
Rotation Speed
(IC1)
PIC18F2331/2431/4331/4431
Features
Preliminary
CY
/16)
Many of the features for the IC and QEI submodules
are fully programmable, creating a flexible peripheral
structure that can accommodate a wide range of
in-system uses. An overview of the available features
is presented in Table 16-1. A simplified block diagram
of the entire Motion Feedback Module is shown in
Figure 16-1.
Note:
Position
Counter
TMR5
TMR5
Timer
16-Bit
Because the same input pins are common
to the IC and QEI submodules, only one of
these two submodules may be used at any
given time. If both modules are on, the QEI
submodule will take precedence.
• 3x Input Capture (edge
• Special Event Triggers the
• Position Measurement
• Direction of Rotation Status
• Precise Velocity Measurement
• Direction of Rotation Status
capture, pulse-width, period
measurement, capture on
change)
A/D Conversion on the CAP1
Input
Function
DS39616C-page 159
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