Motorola DSP56301 user manual Dpsr Aper, Dper, Hdtc, Rdcq, Drxr, Fifo Dtxm

Models: DSP56301

1 372
Download 372 pages 304 b
Page 195
Image 195

HI32 Programming Model/Quick Reference

HI32 Registers—Quick Reference

Reg

 

 

Bit

 

 

Comments

Reset Type

 

 

 

 

 

 

 

 

Num

Mnemonic

Name

Val

Function

HS

PH

PS

 

 

 

 

 

 

 

 

 

 

 

 

DPSR

 

APER

PCI Address Parity

0

HI32 target has not detected

cleared by

0

-

-

cont.

5

 

Error

 

an address parity error

writing 1

 

 

 

 

 

 

1

HI32 target has detected an

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

address parity error

 

 

 

 

 

 

DPER

PCI Data Parity Error

0

a data parity error has not

cleared by

0

-

-

 

6

 

 

 

occurred

writing 1

 

 

 

 

 

 

1

a data parity error has

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

occurred

 

 

 

 

 

 

MAB

PCI Master Abort

0

a master abort has not

cleared by

0

-

-

 

7

 

 

 

occurred

writing 1

 

 

 

 

 

 

 

1

a master abort has occurred

 

 

 

 

 

 

TAB

PCI Target Abort

0

a target abort has not

cleared by

0

-

-

 

8

 

 

 

occurred

writing 1

 

 

 

 

 

 

 

1

a target abort has occurred

 

 

 

 

 

9

TDIS

PCI Target Disconnect

0

no target disconnect

cleared by

0

-

-

 

 

 

1

a target disconnect

writing 1

 

 

 

 

 

 

 

 

 

 

 

10

TRTY

PCI Target Retry

0

no target retry

cleared by

0

-

-

 

 

 

1

a target retry

writing 1

 

 

 

 

 

 

 

 

 

 

 

11

TO

PCI Time Out

0

no time-out termination

cleared by

0

-

-

 

 

Termination

1

a time-out termination

writing 1

 

 

 

 

 

 

 

 

 

 

 

HDTC

PCI Host Data

0

HI32 is transferring data to the

cleared by

0

-

0

 

 

 

Transfer Complete

 

core

writing 1; written

 

 

 

 

12

 

 

1

HI32 has completed transfer

1 only if HDTC =

 

 

 

 

 

 

 

of data to the core and will

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

disconnect write accesses to

 

 

 

 

 

 

 

 

 

the HTXR

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

 

MDT

Master Data

0

No data transfer; all data did

 

0

 

0

 

14

 

Transferred

 

not transfer successfully

 

 

 

 

 

 

 

 

1

Data transferred successfully

 

 

 

 

 

 

RDCQ

Remaining Data Count

0

No data transfer; data

 

-

-

-

 

15

 

Qualifier

1

transferred successfully

 

 

 

 

 

 

 

 

 

Qualify RDC[5–0] value

 

 

 

 

 

21–16

RDC[5–0]

Remaining Data Count

 

BL[5–0] = RDC[5–0] + RDCQ

 

-

-

-

DRXR

23–0

 

DSP Receive Data

 

 

 

empty

 

 

 

FIFO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTXM

23–0

 

DSP Master Transmit

 

 

 

empty

 

 

 

Data FIFO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTXS

23–0

 

DSP Slave

 

 

 

empty

 

 

 

Transmit Data FIFO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATH

23–0

DAT[23–0]

GPIO Pin Data

 

 

 

$0000

-

-

 

 

 

 

 

 

00

 

 

 

 

 

 

 

 

 

DIRH

23–0

DIR[23–0]

GPIO Pin Direction

0

Input

 

$0000

-

-

 

 

 

1

Output

 

00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Host Interface (HI32)

6-77

Page 195
Image 195
Motorola DSP56301 user manual Dpsr Aper, Dper, Hdtc, Rdcq, Drxr, Fifo Dtxm

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.