NXP Semiconductors XC56309VF100A

Overview

XC56309VF100A from Freescale Semiconductor is a 24-bit fixed-point digital signal processor (DSP) featuring a 100 MHz internal clock, 128 KB on-chip RAM (64 KB X-data + 64 KB Y-data), and integrated peripherals including HI08 host interface, dual ESSI modules, SCI, triple timer, and JTAG/OnCE debug support. It targets real-time audio processing, motor control, and telecom baseband applications requiring deterministic low-latency execution.

For engineers reviewing the XC56309VF100A datasheet, XC56309VF100A pinout, XC56309VF100A application, or XC56309VF100A equivalent, key selection criteria include its 100-pin LQFP package, 24-bit ALU + MAC architecture, 16 KB instruction cache, PLL-based clock generation up to 100 MHz, and dual synchronous serial interfaces supporting TDM and I²S protocols in network mode.

Technical Context

The XC56309VF100A implements the DSP56300 core with Harvard architecture, separate X/Y data buses, and three-stage pipeline. Its PLL supports input frequencies from 4–32 MHz and generates internal clocks up to 100 MHz with programmable multiplication/division ratios.

Peripherals include two independent Enhanced Synchronous Serial Interfaces (ESSI0/ESSI1) each supporting frame-synced TDM up to 32 time slots, an 8-bit parallel Host Interface (HI08) for external microcontroller co-processing, and a full-duplex SCI with asynchronous/synchronous/multidrop modes.

Key Specifications

Pinout & Package

XC56309VF100A is housed in a 100-pin Low-Profile Quad Flat Package (LQFP) with 0.5 mm pitch, thermally enhanced exposed pad, and standard JEDEC MO-152AC footprint.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar DSP processing applications.

Compared with XC56309VF100A, XC56311VF100 offers double RAM but lacks cache, making it better for memory-bound but not latency-critical tasks; ADSP-21992BSTZ delivers superior numerical precision and speed but demands full software re-architecture and higher power budget.

Availability

XC56309VF100A is available at Aetrix Electronics and suitable for industrial motor control, professional audio equipment, telecom infrastructure, and test & measurement systems requiring stable component supply and long-term obsolescence management.

Supply support for XC56309VF100A 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

Freescale Semiconductor (now part of NXP Semiconductors) was a leading designer of embedded processors, analog, and connectivity solutions for automotive, industrial, and consumer markets.

The DSP56300 family, including XC56309VF100A, was engineered for deterministic real-time signal processing in cost-sensitive, high-volume applications requiring low-power 24-bit fixed-point computation.

FAQ

What is the maximum operating frequency of the XC56309VF100A?

The XC56309VF100A operates at a maximum internal clock frequency of 100 MHz, achieved via its integrated PLL that multiplies an external 4–32 MHz reference. This yields a 10 ns instruction cycle time, supporting real-time execution of complex FIR filters and FFTs with guaranteed worst-case latency - a critical requirement for audio and motor control applications using the XC56309VF100A.

Does the XC56309VF100A include on-chip memory, and how is it organized?

Yes, the XC56309VF100A integrates 128 KB of on-chip RAM: 64 KB X-data memory and 64 KB Y-data memory, both accessible in a single cycle. It also features 16 KB of instruction cache and a 2 KB bootstrap ROM. This dual-bus Harvard organization allows simultaneous instruction fetch and data read/write operations - a key architectural advantage exploited in high-performance signal processing routines running on the XC56309VF100A.

How does the HI08 host interface function on the XC56309VF100A?

The HI08 interface on the XC56309VF100A is an 8-bit parallel, memory-mapped host port enabling external microcontrollers to directly read/write internal RAM and peripheral registers without CPU intervention. It supports polling, interrupt, and DMA transfer modes, and includes dedicated control registers (HCR, HSR, HDR) for handshaking and status monitoring - making the XC56309VF100A ideal for master-slave embedded systems where host firmware manages configuration while the DSP handles compute-intensive tasks.

What serial communication peripherals are integrated into the XC56309VF100A?

The XC56309VF100A integrates three serial interfaces: two Enhanced Synchronous Serial Interfaces (ESSI0 and ESSI1) supporting TDM, I²S, and network-mode daisy-chaining; and one full-duplex Serial Communication Interface (SCI) with asynchronous, synchronous, and multidrop modes. Each ESSI supports up to 32 time slots and frame-synced operation, while the SCI includes wired-OR capability and address-match wakeup - collectively enabling flexible inter-DSP and host-to-DSP communication in systems built around the XC56309VF100A.

Is the XC56309VF100A supported by modern development tools?

While Freescale's original CodeWarrior IDE and DSP56300 assembler are legacy tools, the XC56309VF100A remains supported through NXP's maintained toolchain archives and third-party open-source assemblers targeting the DSP56300 ISA. Hardware debugging is fully functional via JTAG/OnCE using standard adapters, and reference schematics and bootloader examples are available in the official DSP56309UM manual - ensuring continued maintainability for existing designs based on the XC56309VF100A.