Overview
The MC56F82748VLH,557 is a digital signal controller (DSC) from NXP USA Inc., part of the MC56F827xx family. This device combines the processing power of a digital signal processor (DSP) and the functionality of a microcontroller (MCU) on a single chip, based on the 32-bit 56800EX core. It is designed to provide a flexible set of peripherals and features, making it suitable for a wide range of applications that require both DSP and MCU capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit 56800EX core |
| Memory | Up to 64 KB program/data flash memory, up to 8 KB dual port data/program RAM |
| Supply Voltage | 3.0 V to 3.6 V |
| Clocks | Two on-chip relaxation oscillators: 8 MHz (400 kHz at standby mode) and 200 kHz, Crystal / resonator oscillator |
| Interrupt Controller | Five interrupt priority levels, three user-programmable priority levels for each interrupt source |
| PWM Outputs | Independent control of both edges of each PWM output, double-buffered PWM registers, half-cycle reload capability |
| Quad Timer | Four 16-bit up/down counters, programmable prescaler for each counter, operation modes include edge count, gated count, signed count, capture, compare, PWM, etc. |
| Communication Interface | Queued Serial Communications Interface (QSCI) modules |
Key Features
- Parallel instruction set with unique DSP addressing modes and hardware DO and REP loops.
- Full shadowing of the register stack for zero-overhead context saves and restores.
- Enhanced bit manipulation instruction set and efficient C compiler support.
- On-chip memory includes up to 64 KB program/data flash and up to 8 KB dual port data/program RAM.
- Enhanced input capture and output compare functionality, and synchronization of submodule to external hardware.
- Automatic mode for DAC to generate pre-programmed output waveforms like square, triangle, and sawtooth waveforms.
- Integrated power-on reset (POR), low-voltage interrupt (LVI), and brown-out reset module.
- JTAG/enhanced on-chip emulation (EOnCE) for unobtrusive, real-time debugging.
Applications
The MC56F82748VLH,557 is versatile and can be used in various applications, including:
- Motor control systems, where its advanced PWM and timer features are beneficial.
- Automotive systems, leveraging its robust interrupt handling and peripheral set.
- Industrial control systems, where its DSP capabilities and MCU functionality are advantageous.
- Aerospace and defense applications, requiring high reliability and performance.
- Consumer electronics, such as audio and video processing, due to its efficient DSP instructions.
Q & A
- What is the core architecture of the MC56F82748VLH,557?
The MC56F82748VLH,557 is based on the 32-bit 56800EX core. - What is the memory capacity of this DSC?
It has up to 64 KB program/data flash memory and up to 8 KB dual port data/program RAM. - What are the key features of the PWM outputs in this device?
The PWM outputs can be configured as complementary output pairs or independent outputs, with double-buffered PWM registers and half-cycle reload capability. - Does the device support any specific debugging features?
Yes, it supports JTAG/enhanced on-chip emulation (EOnCE) for unobtrusive, real-time debugging. - What are the operating voltage ranges for this DSC?
The operating voltage range is from 3.0 V to 3.6 V. - Can the device handle multiple interrupt priorities?
Yes, it has five interrupt priority levels with three user-programmable priority levels for each interrupt source. - What types of timers are available on this device?
It includes four 16-bit up/down counters with programmable prescalers and various operation modes. - Does the device support any communication interfaces?
Yes, it includes Queued Serial Communications Interface (QSCI) modules. - What are some common applications for this DSC?
Common applications include motor control systems, automotive systems, industrial control systems, aerospace and defense, and consumer electronics. - How does the device handle power-on and low-voltage conditions?
The device has integrated power-on reset (POR), low-voltage interrupt (LVI), and brown-out reset module.
