Receive Transfer Data Formats, Hrf | Motorola DSP56301 specs

Data Transfer Paths

Table 6-4.Transmit Data Transfer Format (Continued)

HCTR

Host-to-DSP Data Transfer Format

HTF1

HTF0

PCI mode

Universal Bus mode

The three least significant PCI data bytes are written

HD[15–0] are written to the HTXR, right aligned

to the HTXR.

and sign extended.

GDB/MDDB

HI32

DRXR

HTXR

HDTFC

PCI bus

Host bus

The three most significant PCI data bytes are written

HD[15–0] are written to the HTXR, left aligned,

to the HTXR.

and zero filled.

GDB/MDDB

HI32

DRXR

HTXR

HDTFC

PCI bus

Host bus

Table 6-5.Receive Transfer Data Formats

HCTR

DSP to Host Data Transfer Format

HRF

PCI mode

Universal Bus mode

The two least significant bytes of two HRXS

The three least significant HRXS bytes

locations are output.

are output to HD[23–0].

GDB/MDDB

HI32

X	DTXS	DTXS
X	HRXS	HRXS
	HDTFC	HDTFC
	PCI bus	Host bus

6-10	DSP56301 User’s Manual

DSP56301 specifications

The Motorola DSP56301 is a highly efficient digital signal processor, specifically engineered for real-time audio and speech processing applications. This DSP is part of Motorola's renowned DSP56300 family, which is recognized for its innovative features and outstanding performance in the realm of digital signal processing.

One of the main features of the DSP56301 is its ability to handle complex computations at high speeds. With a maximum clock frequency of 66 MHz, it delivers fast performance, enabling it to process audio signals in real time. The chip is built on a 24-bit architecture, which allows for high-resolution audio processing. This is particularly beneficial in applications such as telecommunications, consumer audio devices, and professional audio equipment, where precision is paramount.

The DSP56301 boasts a comprehensive instruction set that includes efficient mathematical operations, which are essential for digital filters and audio effects processing. One of the key innovations of this device is its dual data path architecture, which permits simultaneous processing of multiple data streams. This feature significantly enhances the device's throughput and responsiveness, making it suitable for demanding applications such as voice recognition and synthesis.

In terms of memory regions, the DSP56301 includes several on-chip memory categories, such as program memory, data memory, and a specialized memory for coefficients. The architecture's support for external memory expansion further increases its versatility, allowing designers to tailor systems to their specific requirements.

The DSP56301 implements advanced features such as a powerful on-chip hardware multiplier and accumulator, simplifying complex mathematical tasks and accelerating the execution of algorithms. Its flexible interrupt system enhances its capability to respond to time-sensitive operations, while the integrated serial ports facilitate efficient data communication with external devices.

Power consumption is also a vital characteristic of the DSP56301. It is designed with energy efficiency in mind, allowing for extended operation in battery-powered devices. The chip’s low power requirements are particularly advantageous in portable audio devices and other applications where energy conservation is crucial.

In conclusion, the Motorola DSP56301 is an exceptional digital signal processor that combines high processing power, flexibility, and efficiency. Its main features, advanced technologies, and robust architecture make it a top choice for developers seeking to create sophisticated audio and signal processing systems. With its enduring legacy in the industry, the DSP56301 continues to be relevant in a variety of modern applications, ensuring it remains a valuable tool for engineers and designers.

Motorola DSP56301 user manual Receive Transfer Data Formats, DSP to Host Data Transfer Format, Hrf

Models: DSP56301

Table 6-4.Transmit Data Transfer Format (Continued)

HCTR

HTF1

PCI mode

DRXR

PCI bus

DRXR

PCI bus

Table 6-5.Receive Transfer Data Formats

HCTR

DSP to Host Data Transfer Format

HRF

PCI mode

The three least significant HRXS bytes

are output to HD[23–0].

DSP56301 specifications