NXP Semiconductors DSP56F801FA60E

Overview

DSP56F801FA60E from NXP (formerly Freescale) is a 16-bit digital signal controller (DSC) integrating DSP and MCU functionality in a unified C-efficient architecture, operating at up to 30 MIPS @ 60 MHz core frequency, featuring dual 12-bit ADCs, six-channel PWM with fault protection, and JTAG/OnCE debugging - deployed in motor control, power supply regulation, and industrial embedded systems.

For engineers reviewing the DSP56F801FA60E datasheet, DSP56F801FA60E pinout, DSP56F801FA60E application, or DSP56F801FA60E equivalent, key selection criteria include its 48-pin LQFP package, 8KB program flash + 4KB data flash memory map, 60 MHz core clock capability, and integrated PWM-ADC synchronization for real-time closed-loop control.

Technical Context

The DSP56F801FA60E implements the 56800E core with dual-Harvard architecture, enabling simultaneous access to program and data memory via three internal address buses and four internal data buses. Its 16 × 16-bit MAC executes in one cycle, supported by two 36-bit accumulators and hardware DO/REP loops for deterministic loop execution.

It integrates a PLL-based clock generator with selectable external crystal (8 MHz) or on-chip relaxation oscillator, and supports flexible peripheral multiplexing across 11 GPIO lines. The PWM module provides six complementary outputs with programmable dead-time insertion, center/edge-aligned modes, and cycle-by-cycle current limiting - synchronized directly to ADC conversion triggers.

Key Specifications

Pinout & Package

Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, with dedicated analog/digital power and ground pins (VDDA/VSSA, VDD/VSS), two supply bypass capacitors (VCAPC), and factory-reserved TCS tied to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DSP56F801FA60E, the DSP56F803FA80E offers higher performance in the same footprint, while the TMS320F28027PTT delivers greater precision and tooling maturity at the cost of layout change and vendor lock-in.

Availability

DSP56F801FA60E is available at Aetrix Electronics and suitable for motor control, power supply regulation, and industrial automation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.

Supply support for DSP56F801FA60E 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, and IoT applications, with roots in Freescale's embedded processor heritage.

The DSP56F801FA60E belongs to the 56800E DSC family, designed specifically for cost-sensitive, real-time embedded control where deterministic DSP performance and MCU flexibility must coexist on a single chip.

FAQ

What is the maximum operating frequency and corresponding performance of the DSP56F801FA60E?

The DSP56F801FA60E operates at a maximum core frequency of 60 MHz, delivering up to 30 million instructions per second (MIPS). This performance level is validated under recommended operating conditions (VDD = 3.3 V, TA = –40°C to +85°C) and supports real-time execution of motor control algorithms, PID loops, and sensor fusion routines. The DSP56F801FA60E achieves this with its 56800E core's parallel execution units and single-cycle MAC - confirmed in Freescale's Technical Data Sheet Rev. 17.

Does the DSP56F801FA60E support both external crystal and internal oscillator clock sources?

Yes, the DSP56F801FA60E supports dual clock sources: an external 8 MHz crystal connected to EXTAL/XTAL pins, or an on-chip relaxation oscillator. When the internal oscillator is selected, EXTAL and XTAL become GPIOB2 and GPIOB3, freeing two pins for general-purpose I/O. Clock source selection is software-configurable via the PLL control register, and the oscillator flexibility is documented in Section 1.1.3 and Figure 2-1 of the DSP56F801FA60E Technical Data Sheet.

How many analog input channels does the DSP56F801FA60E provide, and what is their resolution and timing behavior?

The DSP56F801FA60E integrates two independent 12-bit analog-to-digital converters (ADCs), each with four multiplexed inputs (ANA0–ANA3 and ANA4–ANA7), for a total of eight analog input channels. Both ADCs support simultaneous sampling and can be triggered synchronously by the PWM module's reference output - ensuring precise phase alignment for current sensing in motor control. This capability is explicitly detailed in Sections 1.1.3 and 6 of the DSP56F801FA60E datasheet.

What debug interface does the DSP56F801FA60E include, and is it compatible with standard tools?

The DSP56F801FA60E features a full IEEE 1149.1-compliant JTAG interface with On-Chip Emulation (OnCE™) support, including TCK, TMS, TDI, TDO, and TRST pins. It is natively supported by CodeWarrior IDE and Processor Expert tools, and works with standard JTAG debug probes (e.g., P&E Multilink, Segger J-Link with appropriate configuration). The debug port enables non-intrusive, speed-independent breakpointing and real-time variable monitoring - as specified in Section 1.1.1 and Table 2-12 of the DSP56F801FA60E Technical Data Sheet.

Is the DSP56F801FA60E pin-compatible with other devices in the 56F80x family, and what are the key compatibility constraints?

The DSP56F801FA60E shares the same 48-pin LQFP package and core peripheral set with the DSP56F803FA80E and DSP56F805FA80E, making them pin-compatible for footprint reuse. However, differences in maximum clock frequency (60 MHz vs. 80 MHz), memory size, and certain register bit definitions require firmware validation. The pin mapping and shared GPIO functions are consistent across the family - confirmed in Freescale's DSP56F801-7UM User's Manual and block diagrams in the DSP56F801FA60E datasheet.