Overview
The MC56F82746VLF is a member of the MC56F82xxx family of digital signal controllers (DSCs) from NXP Semiconductors. This device is based on the 32-bit 56800EX core, offering a balance of high performance, precision, and control with low power consumption. It is designed for applications that require advanced signal processing capabilities along with the functionality of a microcontroller.
Key Specifications
| Specification | Details |
|---|---|
| Core | 32-bit 56800EX Digital Signal Controller (DSC) core |
| Flash Memory | Up to 64 KB |
| RAM | Up to 8 KB dual port data/program RAM |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40°C to 105°C (V temperature option), -40°C to 125°C (M temperature option) |
| Package Options | 48-pin LQFP, 32-pin QFN, 32-pin LQFP |
| Clocks | Two on-chip relaxation oscillators: 8 MHz (400 kHz at standby mode) and 200 kHz; Crystal / resonator oscillator |
| PWM | 16 bits of resolution; Configurable as complementary output pairs or independent outputs |
| Interrupt Controller | Five interrupt priority levels; Unmaskable level 3 interrupts |
| I/O | 5 V–tolerant I/O (except for RESETB pin which is a 3.3 V pin only) |
Key Features
- Parallel instruction set with unique DSP addressing modes and hardware DO and REP loops.
- Bit reverse address mode supporting DSP and Fast Fourier Transform algorithms.
- Full shadowing of the register stack for zero-overhead context saves and restores.
- Instruction set supports both DSP and controller functions.
- Enhanced bit manipulation instruction set and efficient C compiler support.
- On-chip low-power 200 kHz oscillator and external watchdog monitor (EWM).
- Integral reload rates from 1 to 16 and half-cycle reload capability for PWM.
- Support for double-switching PWM outputs and programmable filters for fault inputs.
- JTAG/enhanced on-chip emulation (EOnCE) for unobtrusive, real-time debugging.
Applications
The MC56F82746VLF is suitable for a variety of applications that require advanced signal processing and control, such as:
- Industrial control systems.
- Motor control and power conversion.
- Automotive systems, including engine control and safety systems.
- Medical devices requiring precise signal processing.
- Aerospace and defense applications where high reliability and performance are critical.
Q & A
- What is the core architecture of the MC56F82746VLF?
The MC56F82746VLF is based on the 32-bit 56800EX Digital Signal Controller (DSC) core. - How much flash memory does the MC56F82746VLF have?
The device has up to 64 KB of flash memory. - What are the operating voltage and temperature ranges for the MC56F82746VLF?
The operating voltage is 3.0 V to 3.6 V, and the operating temperature ranges from -40°C to 105°C (V temperature option) or -40°C to 125°C (M temperature option). - What package options are available for the MC56F82746VLF?
The device is available in 48-pin LQFP, 32-pin QFN, and 32-pin LQFP packages. - What are the key features of the PWM in the MC56F82746VLF?
The PWM has 16 bits of resolution, can be configured as complementary output pairs or independent outputs, and supports integral reload rates from 1 to 16 and half-cycle reload capability. - Does the MC56F82746VLF support real-time debugging?
Yes, it supports JTAG/enhanced on-chip emulation (EOnCE) for unobtrusive, real-time debugging. - What is the purpose of the External Watchdog Monitor (EWM) in the MC56F82746VLF?
The EWM monitors external circuits as well as software flow, has a programmable timeout period, and can trigger an interrupt prior to timeout. - Can the MC56F82746VLF handle multiple interrupt priorities?
Yes, it has five interrupt priority levels, including unmaskable level 3 interrupts. - Is the MC56F82746VLF suitable for high-reliability applications?
Yes, it is designed for high-reliability applications, including those in automotive, aerospace, and medical fields. - What are some common applications of the MC56F82746VLF?
Common applications include industrial control systems, motor control, automotive systems, medical devices, and aerospace and defense applications.
