DSPIC33FJ256GP510AT-I/PF

Program Memory Type:	FLASH
Base Part Number:	DSPIC33FJ256GP510A
Supplier Device Package:	100-TQFP (14x14)
Package / Case:	100-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 32x10b/12b
Voltage - Supply (Vcc/Vdd):	3 V ~ 3.6 V
RAM Size:	16K x 8
EEPROM Size:	--
Series:	dsPIC™ 33F
Program Memory Size:	256KB (256K x 8)
Number of I/O:	85
Peripherals:	AC'97, Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Connectivity:	CANbus, I²C, IrDA, LINbus, SPI, UART/USART
Speed:	40 MIPs
Core Size:	16-Bit
Core Processor:	dsPIC
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to DSPIC33FJ256GP510AT-I/PF

The DSPIC33FJ256GP510AT-I/PF is an embedded microcontroller from Microchip. It is an integrated, high performance 8-bit microcontroller based on the 16-bit PIC24 core architecture. It is suitable for applications that require low power consumption, high speed operation and a wide range of features.

Application Fields and Main Features

The DSPIC33FJ256GP510AT-I/PF has numerous application fields, especially in the areas of automotive, consumer, industrial and medical. It is designed with superior performance, low power consumption and some special features like hardware support for CAN and CAN FD protocol, 16-channel PWM with up to 20-bit resolution, 12-bit ADC, dual comparators and offset error correction. It provides a wide operating temperature range of -40 °C to 85 °C, making it a good choice for harsh environmental applications. Moreover, it has a wide voltage range from 1.79V to 3.6V, thus making it highly tolerant to inputs from various sources. The DSPIC33FJ256GP510AT-I/PF supports a wide range of peripherals including UART, SPI, I2C, Timers, RTC, Watchdog Timer, EEProm and other interfaces. It has a flexible on-chip debug configuration using the PIC-EJTAG interface, which allows the user to monitor the internal state of the chip during the debugging process. The device also has a wide selection of development tools, such as the free MPLAB X IDE, making it easy to develop applications quickly and easily.

Working Principle

The DSPIC33FJ256GP510AT-I/PF follows the Harvard architecture, where the program memory and data memory are separate. The instruction set of the device comprises 16-bit commands and 32-bit operations. It employs the Von Neumann single address space, allowing simultaneous access to both the program code and data memory. It has up to 193 bytes data RAM addressable by all devices, making it able to handle multiple tasks concurrently. The instruction cycle of the device works by first fetching an instruction from the program memory, decoding it and then executing it. After the execution, the device would then move on to the next instruction in the program memory. The execution time for an instruction cycle depends on the instruction being executed. For example, an unconditional branch instruction will take longer to execute than a single operand instruction. The device provides an internal instruction cache to speed up the instruction fetching process.

Conclusion

The DSPIC33FJ256GP510AT-I/PF is an ideal microcontroller for applications requiring low-power operation, high-speed operation and wide range of features. It is suitable for many applications, particularly automotive, consumer, industrial and medical. The device has numerous features and special functions such as CAN and CAN FD protocol support, 16-channel PWM, 12-bit ADC, dual comparators and offset error correction. It is also designed to operate over a wide range of voltages and temperatures. The device follows the Harvard architecture and uses the Von Neumann single address space, making it suitable for applications requiring concurrent access to both program code and data memory. Furthermore, the device provides a flexible on-chip debug configuration and a wide selection of development tools such as the MPLAB X IDE.

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