DSPIC33FJ128GP306A-I/MR

Program Memory Type:	FLASH
Base Part Number:	DSPIC33FJ128GP306A
Supplier Device Package:	64-QFN (9x9)
Package / Case:	64-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 18x10b/12b
Voltage - Supply (Vcc/Vdd):	3 V ~ 3.6 V
RAM Size:	16K x 8
EEPROM Size:	--
Series:	dsPIC™ 33F
Program Memory Size:	128KB (128K x 8)
Number of I/O:	53
Peripherals:	AC'97, Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Connectivity:	I²C, IrDA, LINbus, SPI, UART/USART
Speed:	40 MIPs
Core Size:	16-Bit
Core Processor:	dsPIC
Part Status:	Active
Packaging:	Tube

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Introduction

The dsPIC33FJ128GP306A-I/MR is a digital signal microcontroller developed by Microchip Technology Inc., intended to be used in motor control applications. This device offers high Level Embedded Control, with digital signal controller (DSC) core having 32-bit performance, 11 MIPS at 40 MHz. This feature set makes the device suitable for designs that require high processing performance, efficiency and cost effectiveness.

Application Field and Working Principle

The dsPIC33FJ128GP306A-I/MR is primarily intended for use in motor control applications. Such applications include sensorless field orientated motors, direct torque control (DTC) and pulse width modulation (PWM) control. In such applications, the dsPIC33FJ128GP306A-I/MR provides the flexibility to generate precise control signals, which can be used to control motors in an efficient and cost-effective manner.The working principle of the dsPIC33FJ128GP306A-I/MR is based on the utilization of the digital signal controller (DSC) core found within the device. This core consists of an advanced digital signal processor (DSP) core and a comprehensive set of peripherals, designed to meet the needs of motor control applications.The DSC core of the dsPIC33FJ128GP306A-I/MR has a 32-bit programmable control architecture, consisting of 16 general-purpose registers, 2 accumulators and 2 sets of condition code registers (CCRs). The DSC core is capable of forming up to 2 16-bit instructions at a single clock cycle. It has both the capability to execute single cycle instructions, as well as loop operations, such as multiply-accumulate or barrel shift.The peripheral support within the dsPIC33FJ128GP306A-I/MR includes a range of hardware features that enable control algorithms to be implemented. This includes:-Master Synchronous Serial Port (MSSP) module -Programmable Input Capture (PIC) module -Programmable Output Compare (POC) module -Programmable Pulse Width Modulator (PWMTMR) module -I/O port module -12-bit Analog-to-Digital Converter (ADC) module -Two 10/12-bit Digital-to-Analog Converters (DAC) -Nested vectored interrupt controller (NVIC) module -External Interrupt Controller (EIC) module -Clock Generator (CKGEN) module -Timer/Event generator (TMR) module By exploiting the flexible architecture of the DSC core and the above mentioned peripheral support within the dsPIC33FJ128GP306A-I/MR, application developers can design sophisticated algorithms and create efficient control systems with minimal effort. In motor control applications, the dsPIC33FJ128GP306A-I/MR can be used to generate precise and efficient control signals to the motor by executing control loops at high speed and accuracy. Its dedicated onboard peripherals, such as either the PIC or POC module can be configured to generate control signals that are synchronized to the motor’s position. Furthermore, integrated analog and digital level conversion peripherals, such as the 12-bit ADC or the 12-bit DAC modules, can be used to achieve smooth and precise motor control. In summary, the dsPIC33FJ128GP306A-I/MR is an ideal device for embedded motor control applications. Its high performance DSC core and its specialized peripherals, make this device an efficient and cost-effective device for embedded motor control applications.

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