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Motorola DSP56301 user manual ORG PL,PL Patterns

Models: DSP56301

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;; check pram

 

 

clr a

#start_pram,r2

;; restore pointer, clear a

 

do

n2,_loopp

 

 

move

p:(r2)+,a1

;; a0=a2=0

 

eor

y0,a

 

 

add

a,b

;; accumulate error in b

_loopp

 

 

 

 

;;---------------------------------------------------

 

 

;; toggle pin if no errors, stop execution otherwise.

 

;;---------------------------------------------------

 

 

beq

label1

 

 

bclr

#SCK0,x:M_PDRC

;; clear sck0 if error,

 

enddo

 

;; terminate the loop normally

 

bra

<burn1

;; and stop execution

label1

 

 

;; if no error

 

bchg

#SCK0,x:M_PDRC

;; toggle pin and keep on looping

burn1

 

 

 

 

wait

 

;; enter wait after test completion

 

ORG PL:,PL:

 

PATTERNS

dsm

4

;; align for correct modulo addressing

 

ORG

PL:PATTERNS,PL:PATTERNS ;; Each value is written to all memories

 

dc

$555555

 

 

dc

$AAAAAA

 

 

dc

$333333

 

 

dc

$F0F0F0

 

NUM_PATTERNS

equ

*-PATTERNS

 

SEREPROM

 

 

 

;------------------------------------------------------------------------

 

 

; DSP563xx

 

 

 

;

 

 

 

; DESCRIPTION

Bootstrap from Serial EEPROM through SCI

;

 

 

 

; UPDATE

11 June

1998

 

;------------------------------------------------------------------------

 

 

READ_BLOCK

 

 

 

;(2) RESET SERIAL INTERFACE movep #$008108,x:M_SCR

 

 

 

; Mode 0 (8-bit Synchronous)

 

 

 

; MSB first

 

 

 

; Negative Clock Polarity

 

 

 

; TX disabled

 

 

 

; RX enabled

;;

movep

#$000031,x:M_SCCR

; work freq = 1/400 * DSP freq

;; The following line is for testing only

 

 

movep

#$000001,x:M_SCCR

; work freq = 1/2 * DSP freq

 

 

 

; internal tx clock, internal rx clock,

 

 

 

; prescaler divides by 1, clock

 

 

 

; divider: $32

 

movep

#$000007,x:M_PCRE

 

 

 

 

; Configure SCLK, TXD and RXD

 

 

 

; as SCI pins

; (4) ASSERT CHIP SELECT

 

 

 

 

 

A-14

DSP56301 User’s Manual

Page 309 Page 311
Page 310
Image 310
Motorola DSP56301 user manual ORG PL,PL Patterns
Page 309 Page 311

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.