Digital signal controllers advance PWM control

Edited by the Electronicstalk editorial team Feb 13, 2006

Microchip continues to roll out its 16bit dsPIC digital signal controllers with two new devices.

Microchip continues to roll out its 16bit dsPIC digital signal controllers (DSCs) with two new devices.

The dsPIC30F5015 and dsPIC30F5016 devices feature: an advanced PWM controller designed for motor-control, power-conversion and lighting applications; a 1Msample/s 10bit A/D convertor; 66Kbyte of Flash program memory; and full-speed operation (30MIPS) using an internal oscillator.

These new devices are ideal for applications that drive power FETs and require advanced algorithmic processing.

The dsPIC digital signal controllers are devices that combine the robust peripherals and interrupt-handling capability of a high-performance 16bit microcontroller with the computation speed of a fully implemented DSP to produce an optimum single-chip solution.

All Microchip's 16bit MCU and DSC families share the same core instructions and development tools, and have compatible pin outs and peripherals on similar devices, which means designers can select a low-cost PIC24F, a high-performance PIC24H, or add DSP capability with a dsPIC DSC - all without requiring a significant redesign.

The dsPIC30F5015 and dsPIC30F5016 will operate from 2.5 to 5.5V, which is valuable for analogue noise immunity or minimising voltage-translation logic.

The devices are available to operate over an extended temperature range of -40 to +125C.

Additional key features include: 66Kbyte of Flash program memory, capable of self-programming, of 100,000 erase/write cycles (typical) and with 40-plus years of data retention; 2Kbyte of SRAM; 1Kbyte of on-chip EEPROM; eight-output advanced PWM controller, complementary or independent modes, four duty-cycle generators and programmable dead time; four standard PWM controllers; 10bit analogue-to-digital convertor with up to 16 signal channels, 1Msample/s, four-channel simultaneous sampling and PWM trigger option; a quadrature encoder interface for motor-control applications; five 16bit timers; and CAN, SPI, I2C and UART peripherals.

All Microchip's controllers use the same MPLAB integrated development environment (IDE), which also contains a motor-control GUI.

The dsPIC DSCs are also supported by specific development systems, including: MPLAB C30 C Compiler, MPLAB ICD 2 in-circuit debugger, MPLAB ICE 4000 in-circuit emulator and MPLAB Visual Device Initialiser.

The dsPIC30F5015 and dsPIC30F5016 are available today in RoHS-compliant, 64- and 80-pin TQFP packages.