HP8 HAD8 HD0 HIO8 HP9 HAD9 HD1 HIO9, HA0 HIO16

Host Interface (HI32)

Table 2-11.Summary of HI32 Signals and Modes (Continued)

Signal

PCI Mode

Enhanced Universal Bus Mode

Universal Bus Mode

GPIO Mode

Name

HP8

HAD8

HD0

HIO8

HP9

HAD9

HD1

HIO9

HP10

HAD10

HD2

HIO10

HP11

HAD11

HD3

HIO11

HP12

HAD12

HD4

HIO12

HP13

HAD13

HD5

HIO13

HP14

HAD14

HD6

HIO14

HP15

HAD15

HD7

HIO15

HP16

HA0

HIO16

HC0/HBE0

HP17

HA1

HIO17

HC1/HBE1

HP18

HA2

HIO18

HC2/HBE2

HP19

Unused (must be pulled up or down)

HIO19

HC3/HBE3

HP20

HIO20

HTRDY

HDBEN

HP21

HIO21

HIRDY

HDBDR

HP22

HIO22

HDEVSEL

HSAK

HP23

(Schmitt trigger buffer on input— pull up

HIO23

HLOCK

HBS

if not used)

HP24

HPAR

HDAK (Schmitt trigger buffer on input— pull

disconnected

up if not used)

HP25

HDRQ

disconnected

HPERR

HP26

HAEN

disconnected

HGNT

HP27

HTA

disconnected

HREQ

HP28

HSERR

HIRQ

disconnected

HP29

HWR/HRW (Schmitt trigger buffer on input)

disconnected

HSTOP

HP30

HIDSEL

HRD/HDS (Schmitt trigger buffer on input)

disconnected

HP31

Unused (must be pulled up)

disconnected

HFRAME

HP32

HCLK

Unused (must be pulled up)

HP33

HAD16

(pull up or down if not used)

HD8

disconnected

HP34

HAD17

(pull up or down if not used)

HD9

disconnected

HP35

HAD18

(pull up or down if not used)

HD10

disconnected

HP36

HAD19

(pull up or down if not used)

HD11

disconnected

HP37

HAD20

(pull up or down if not used)

HD12

disconnected

HP38

HAD21

(pull up or down if not used)

HD13

disconnected

HP39

HAD22

(pull up or down if not used)

HD14

disconnected

Signals/Connections

2-15

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.