NXP Semiconductors MC56F8323VFBER

Overview

MC56F8323VFBER from NXP Semiconductors (formerly Freescale) is a 16-bit Digital Signal Controller (DSC) built on the 56800E core, delivering up to 60 MIPS at 60 MHz. It integrates 32 KB Program Flash, 4 KB Program RAM, 8 KB Data Flash, dual 12-bit ADCs with synchronization to PWM, one FlexCAN 2.0B module, and a 6-channel PWM with fault protection - enabling real-time motor control in industrial inverters and BLDC drives.

For engineers reviewing the MC56F8323VFBER datasheet, MC56F8323VFBER pinout, MC56F8323VFBER application, or MC56F8323VFBER equivalent, key selection considerations include its 64-pin LQFP package, integrated temperature sensor, PLL-based clock synthesis with ±2%/−3% frequency accuracy, and JTAG/EOnCE debug support for deterministic real-time development.

Technical Context

The MC56F8323VFBER implements a dual-Harvard architecture with three parallel execution units, supporting simultaneous program/data memory accesses and hardware DO/REP loops. Its 56800E core combines DSP-style MAC operations (16×16→36-bit) with MCU-friendly addressing modes and C-compiler optimization.

Peripherals are tightly coupled via the IPBus Bridge: PWM outputs synchronize ADC conversions through Timer C Channel 2; Quadrature Decoder inputs feed directly into Quad Timer A; and FlexCAN operates independently with dedicated TX/RX pins - all managed under a unified interrupt controller with priority-based vectoring.

Key Specifications

Pinout & Package

MC56F8323VFBER is housed in a 64-pin LQFP package with exposed thermal pad. Pin functions are fully multiplexed across peripherals including PWM, ADC, CAN, SCI, SPI, Quad Timers, and JTAG/EOnCE. Power distribution includes separate VDD_IO (3.3 V), VDDA_ADC (analog supply), VSSA_ADC (analog ground), and four VCAP pins for internal regulator decoupling.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital signal controller applications.

Compared with MC56F8323VFBER, MC56F8323VFAE offers identical functionality in a legacy QFP package but lacks thermal pad performance, while MPC5604B provides greater compute headroom and safety features at the cost of increased code size, toolchain complexity, and loss of tight PWM-ADC synchronization.

Availability

MC56F8323VFBER is available at Aetrix Electronics and suitable for industrial motor drives, automotive HVAC systems, home appliance inverters, and smart power tools requiring stable component supply across multi-year production cycles.

Supply support for MC56F8323VFBER includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, IoT, and mobile applications.

The MC56F8323VFBER belongs to the 56800E-based DSC product line, designed specifically for cost-sensitive, high-performance real-time control in motor-driven systems where DSP precision and MCU flexibility must coexist on a single chip.

FAQ

What is the maximum operating frequency of the MC56F8323VFBER?

The MC56F8323VFBER operates at a maximum core frequency of 60 MHz, delivering up to 60 MIPS. This frequency is achieved using the on-chip PLL locked to an external crystal (up to 8.4 MHz) or the internal relaxation oscillator. The MC56F8323VFBER datasheet specifies guaranteed timing across the full −40°C to +105°C industrial temperature range.

Does the MC56F8323VFBER support CAN FD or only classical CAN?

The MC56F8323VFBER integrates a FlexCAN module compliant with CAN Specification Version 2.0 Part B only - it does not support CAN FD data rates or extended frame formats. It supports standard 11-bit identifiers and bit rates up to 1 Mbps. For CAN FD requirements, designers should consider later-generation NXP S32K or MPC57xx families instead of the MC56F8323VFBER.

How many ADC channels does the MC56F8323VFBER have, and can they operate simultaneously?

The MC56F8323VFBER includes two independent 12-bit ADC modules (ADCA and ADCB), each with four multiplexed input channels. Both ADCs support simultaneous sampling and conversion, and their start triggers can be synchronized to PWM events via Timer C Channel 2 - a feature confirmed in the MC56F8323VFBER Technical Data Sheet Rev. 17, Section 1.1.4.

What is the purpose of the VCAP pins on the MC56F8323VFBER?

VCAP1–VCAP4 on the MC56F8323VFBER are dedicated pins for connecting external bypass capacitors to the internal voltage regulator. These pins stabilize the 2.6–3.3 V core supply generated by the on-chip regulator. Per the MC56F8323VFBER datasheet, each VCAP pin requires a minimum 10 µF ceramic capacitor placed within 5 mm of the pin - failure to meet this requirement risks unstable operation or premature device failure.

Is the MC56F8323VFBER pin-compatible with the MC56F8123 series?

No, the MC56F8323VFBER is not pin-compatible with the MC56F8123 series despite sharing the same 64-pin LQFP package. Key differences include absence of PWM, CAN, Quadrature Decoder, and temperature sensor pins on the MC56F8123 - confirmed in Table 1-1 and Figure 2-2 of the MC56F8323VFBER Technical Data Sheet Rev. 17. Pin assignments for peripherals like PWMAx, CAN_TX/RX, and QUAD inputs differ fundamentally between the two devices.