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PIC18F4331 pdf datasheet
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PIC18F2331/PIC18F2431/PIC18F4331/PIC18F4431 Data Sheet
28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology,High Performance PWM and A/D
This document contains device specific information for
the following devices:
This family offers the advantages of all PIC18 microcontrollers
– namely, high computational performance
at an economical price, with the addition of high endurance
enhanced Flash program memory and a highspeed
10-bit A/D converter. On top of these features,
the PIC18F2331/2431/4331/4431 family introduces
design enhancements that make these microcontrollers
a logical choice for many high performance, power
control and motor control applications. These special
peripherals include:
• 14-bit resolution Power Control PWM Module
(PCPWM) with programmable dead time insertion
• Motion Feedback Module (MFM), including a
3-channel Input Capture (IC) Module and
Quadrature Encoder Interface (QEI)
• High-speed 10-bit A/D Converter (HSADC)
The PCPWM can generate up to eight complementary
PWM outputs with dead-band time insertion. Overdrive
current is detected by off-chip analog comparators or
the digital fault inputs (FLTA, FLTB).
The MFM Quadrature Encoder Interface provides
precise rotor position feedback and/or velocity
measurement. The MFM 3 X input capture or external
interrupts can be used to detect the rotor state for
electrically commutated motor applications using Hall
Sensor feedback, such as BLDC motor drives.
PIC18F2331/2431/4331/4431 devices also feature
Flash program memory and an internal RC oscillator
with built-in LP modes.
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