NXP Semiconductors XC56309AG100A

Overview

XC56309AG100A from Freescale Semiconductor is a 24-bit fixed-point digital signal processor (DSP) based on the DSP56300 core, operating at up to 100 MHz with 1.5 KB on-chip RAM, 512-word program ROM, 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 line-card applications requiring deterministic low-latency execution.

For engineers reviewing the XC56309AG100A datasheet, XC56309AG100A pinout, XC56309AG100A application, or XC56309AG100A equivalent, this page delivers verified functional architecture, validated peripheral timing behavior, confirmed memory map configuration, and precise package-mapped I/O assignment - all extracted from the official DSP56309UM Rev. 1 manual and Freescale's production documentation.

Technical Context

The XC56309AG100A implements the DSP56300 core with dual MAC units, 56-bit ALU, and Harvard architecture supporting simultaneous instruction fetch and data access. Its PLL supports programmable multiplication factors (×1 to ×16) for generating internal clocks up to 100 MHz from external crystal or oscillator inputs.

Peripherals include two independent Enhanced Synchronous Serial Interfaces (ESSI0/ESSI1) supporting TDM, I²S, and network modes with configurable frame sync polarity, word length (8–32 bits), and slot masking; plus an 8-bit Host Interface (HI08) enabling direct parallel bus connection to microcontrollers or FPGAs for bootloading and runtime data exchange.

Key Specifications

Pinout & Package

XC56309AG100A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with dedicated power/ground pairs, separate VDD/VSS for core and I/O, and pin-assigned peripheral signals including HI08 data/address/control lines, ESSI0/ESSI1 serial lanes, SCI TXD/RXD/SCLK, and three independent timer output pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC56309AG80A, the XC56309AG100A delivers 25% higher computational throughput for latency-critical filters; compared with MC56F8323, it retains native ESSI-based TDM support essential for telecom infrastructure but requires external program memory and lacks on-chip flash.

Availability

XC56309AG100A is available at Aetrix Electronics and suitable for industrial motor control, telecom line-card development, and professional audio equipment requiring stable component supply across long-lifecycle programs.

Supply support for XC56309AG100A 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 and analog/mixed-signal ICs, known for automotive, industrial, and communications solutions.

The XC56309AG100A belongs to the DSP56300 family - engineered specifically for deterministic real-time signal processing in telecom, audio, and motor control systems where low-latency peripheral response and predictable instruction timing are critical.

FAQ

What is the maximum operating frequency of the XC56309AG100A?

The XC56309AG100A is rated for a maximum system clock frequency of 100 MHz, achieved via its on-chip PLL configured with multiplication factors from ×1 to ×16. This enables a 10 ns instruction cycle time, supporting real-time execution of complex FIR/IIR filters and motor control algorithms without pipeline stalls. The PLL accepts external crystal or clock inputs between 1 MHz and 25 MHz.

Does the XC56309AG100A include on-chip program memory?

Yes, the XC56309AG100A integrates a 512-word bootstrap ROM used for initial firmware loading from HI08, SCI, or ESSI interfaces. It does not include user-programmable flash or EEPROM; program code executes from external memory mapped via its 24-bit address bus, while the bootstrap ROM remains fixed for secure boot operations.

How many serial interfaces does the XC56309AG100A support?

The XC56309AG100A supports three distinct serial interfaces: two Enhanced Synchronous Serial Interfaces (ESSI0 and ESSI1), each configurable for TDM, I²S, or network mode with independent slot masking; and one Serial Communication Interface (SCI) supporting asynchronous UART-style communication, multidrop addressing, and idle-line wakeup for bootloader use.

What debug capabilities does the XC56309AG100A provide?

The XC56309AG100A features full IEEE 1149.1 JTAG boundary scan and Freescale's OnCE (On-Chip Emulation) module, enabling real-time instruction trace, hardware breakpoints, register visibility, and non-intrusive memory inspection. These capabilities are accessible via standard JTAG probes and supported by CodeWarrior DSP development tools.

Is the XC56309AG100A pin-compatible with other DSP56300-series devices?

No - the XC56309AG100A uses a unique 100-pin LQFP package layout optimized for its specific peripheral set (dual ESSI, HI08, triple timer). While functionally aligned with the DSP56300 architecture, pin assignments differ from earlier variants like XC56301 or XC56305, requiring dedicated PCB design for this variant.