Motorola NXP SYMPHONY DSP56007 Manual de instrucciones

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

DSP56007

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DSP56007/D

SYMPHONY



AUDIO DSP FAMILY

24-BIT DIGITAL SIGNAL PROCESSORS

Motorola designed the Symphony



family of high-performance, programmable Digital Signal

Processors (DSPs) to support a variety of digital audio applications, including Dolby ProLogic,

ATRAC, and Lucasfilm Home THX processing. Software for these applications is licensed by

Motorola for integration into products like audio/video receivers, televisions, and automotive

sound systems with such user-developed features as digital equalization and sound field

processing. The DSP56007 is an MPU-style general purpose DSP, composed of an efficient 24-bit

Digital Signal Processor core, program and data memories, various peripherals optimized for

audio, and support circuitry. As illustrated in

Figure 1

, the DSP56000 core family compatible

DSP is fed by program memory, two independent data RAMs and two data ROMs, a Serial

Audio Interface (SAI), Serial Host Interface (SHI), External Memory Interface (EMI), dedicated

I/O lines, on-chip Phase Lock Loop (PLL), and On-Chip Emulation (OnCE



) port. The

DSP56007 has significantly more on-chip memory than the DSP56004.

Figure 1

DSP56007 Block Diagram

Y Data

Memory*

X Data

Memory*

Program

Memory*

Program Control Unit

24-Bit

DSP56000

Core

OnCETM Port

PLL Clock

Gen.

4 9 5 29 16-Bit Bus

24-Bit Bus

Data ALU

24 ×24 + 56 →56-Bit MAC

Two 56-Bit Accumulators

Interrupt

Control

Program

Decode

Controller

Program

Address

Generator

IRQA, IRQB, NMI, RESET

Internal

Data

Bus

Switch

Address

Generation

Unit

Refer to Table 1 for memory configurations.

PAB

XAB

YAB

GDB

PDB

XDB

YDB

General

Purpose

Input/

Output

External

Memory

Interface

(EMI)

Serial

Audio

Interface

(SAI)

Serial

Host

Interface

(SHI)

AA0248

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ii DSP56007/D MOTOROLA

TABLE OF CONTENTS

SECTION 1 SIGNAL/CONNECTION DESCRIPTIONS. . . . . . . . . . . . . . . . . . . . .1-1

SECTION 2 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

SECTION 3 PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

SECTION 4 DESIGN CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

SECTION 5 ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

FOR TECHNICAL ASSISTANCE:

Telephone: 1-800-521-6274

Email: [email protected]

Internet: http://www.motorola-dsp.com

Data Sheet Conventions

his data sheet uses the following conventions:

OVERBAR Used to indicate a signal that is active when pulled low (For example, the RESET pin is

active when low.)

“asserted” Means that a high true (active high) signal is high or that a low true (active low) signal

is low

“deasserted” Means that a high true (active high) signal is low or that a low true (active low) signal

is high

Examples: Signal/Symbol Logic State Signal State Voltage

PIN True Asserted VIL/VOL

PIN False Deasserted VIH/VOH

PIN True Asserted VIH/VOH

PIN False Deasserted VIL/VOL

Note: Values for VIL, VOL, VIH, and VOH are defined by individual product specifications.

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DSP56007

Features

MOTOROLA DSP56007/D iii

FEATURES

Digital Signal Processing Core

• Efficient, object code compatible with the 24-bit DSP56000 core family engine

• Up to 44 Million Instructions Per Second (MIPS)—22.7 ns instruction cycle at

88 MHz

• Highly parallel instruction set with unique DSP addressing modes

• Two 56-bit accumulators including extension byte

• Parallel 24

24-bit multiply-accumulate in 1 instruction cycle (2 clock cycles)

• Double precision 48

48-bit multiply with 96-bit result in 6 instruction cycles

• 56-bit addition/subtraction in 1 instruction cycle

• Fractional and integer arithmetic with support for multiprecision arithmetic

• Hardware support for block floating-point Fast Fourier Transforms (FFT)

• Hardware nested DO loops

• Zero-overhead fast interrupts (2 instruction cycles)

• Four 24-bit internal data buses and three 16-bit internal address buses for

simultaneous accesses to one program and two data memories

• Fabricated in high-density CMOS

Memory

• On-chip modified Harvard architecture, which permits simultaneous accesses

to program and two data memories

• Bootstrap loading from Serial Host Interface or External Memory Interface

Table 1

Memory Configuration (Word width is 24 bits)

Mode Program X Data Y Data Bootstrap

ROM

PE ROM RAM ROM RAM ROM RAM

0 6400 None 512 1024 512 2176 52

1 5120 1024 512 1024 512 1152 52

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iv DSP56007/D MOTOROLA

DSP56007

Features

Peripheral and Support Circuits

• Serial Audio Interface (SAI) includes two receivers and three transmitters,

master or slave capability, implementation of I

S, Sony, and Matsushita audio

protocols; and two sets of SAI interrupt vectors

• Serial Host Interface (SHI) features single master capability, 10-word receive

FIFO, and support for 8-, 16-, and 24-bit words

• External Memory Interface (EMI), implemented as a peripheral supporting:

– Page-mode DRAMs (one or two chips): 64 K

4, 256 K

and 4 M

4 bits

– SRAMs (one to four): 256 K

8 bits

– Data bus may be 4 or 8 bits wide

– Data words may be 8, 12, 16, 20, or 24 bits wide

• Four dedicated, independent, programmable General Purpose Input/Output

(GPIO) lines

• On-chip peripheral registers memory mapped in data memory space

• Three external interrupt request pins

• On-Chip Emulation (OnCE) port for unobtrusive, processor speed-

independent debugging

• Software-programmable, Phase Lock Loop-based (PLL) frequency synthesizer

for the core clock

• Power-saving Wait and Stop modes

• Fully static, HCMOS design for operating frequencies down to DC

• 80-pin plastic Quad Flat Pack surface-mount package; 14

2.20 mm

(2.15–2.45 mm range); 0.65 mm lead pitch

• Complete pinout compatibility between DSP56009, DSP56004,

DSP56004ROM, and DSP56007 for easy upgrades

• 5 V power supply

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DSP56007

Product Documentation

MOTOROLA DSP56007/D v

PRODUCT DOCUMENTATION

Table 2

lists the documents that provide a complete description of the DSP56007 and

are required to design properly with the part. Documentation is available from a local

Motorola distributor, a Motorola semiconductor sales office, a Motorola Literature

Distribution Center, or through the Motorola DSP home page on the Internet (the

source for the latest information).

Table 2

DSP56007 Documentation

Document Name Description of Content Order Number

DSP56000 Family

Manual DSP56000 core family architecture and the 24-bit

core processor and instruction set DSP56KFAMUM/AD

DSP56007 User’s

Manual Memory, peripherals, and interfaces DSP56007UM/AD

DSP56007 Technical

Data Electrical and timing specifications,

and pin and package descriptions DSP56007/D

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vi DSP56007/D MOTOROLA

DSP56007

Product Documentation

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MOTOROLA DSP56007/D 1-1

SECTION 1

SIGNAL/CONNECTION DESCRIPTIONS

SIGNAL GROUPINGS

The DSP56007 input and output signals are organized into the nine functional

groups, as shown in

Table 1-1

. The individual signals are illustrated in

Figure 1-1

Table 1-1

DSP56007 Functional Group Signal Allocations

Functional Group Number of Signals Detailed Description

Power (V

Table 1-2

Ground (GND) 13

Table 1-3

Phase Lock Loop (PLL) 3

Table 1-4

External Memory Interface (EMI) 29

Table 1-5

and

Table 1-6

Interrupt and Mode Control 4

Table 1-7

Serial Host Interface (SHI) 5

Table 1-8

Serial Audio Interface (SAI) 9

Table 1-9

and

Table 1-10

General Purpose Input/Output (GPIO) 4

Table 1-11

On-Chip Emulation (OnCE) port 4

Table 1-12

Total 80

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1-2 DSP56007/D MOTOROLA

Signal/Connection Descriptions

Signal Groupings

Figure 1-1

DSP56007 SIgnals

MA0–MA14

MD0–MD7

MWR

MA17/MCS1/MRAS

MA16/MCS2/MCAS

GNDQ

VCCQ

RESET

MODA/IRQA

MODB/IRQB

MODC/NMI

SS/HA2

MISO/SDA

SCK/SCL

GNDS

VCCS

WSR

SCKR

SDI0

DSCK/OS1

DSI/OS0

DSO

OnCE™

Port C

Port B

Port A

External Memory

Mode/Interrupt

80 signals

Serial Host

Rec0

SDO1

Tran1

WST

SCKT

SDO0

Tran0

Interface

MRD

MCS0

Serial Audio

Interface

MOSI/HA0

SDO2

Tran2

SDI1

Rec1

GPIO0–GPIO3

GPIO

HREQ

VCCP

GNDP

PCAP

PLL

PINIT

MA15/MCS3

EXTAL

GNDA

VCCA

GNDD

VCCD

Reset

AA0249G

Port

Power Inputs

Ground

Control

DSP56007

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Signal/Connection Descriptions

Power

MOTOROLA DSP56007/D 1-3

POWER

GROUND

Table 1-2

Power Inputs

Power Name Description

CCP

PLL Power

—V

CCP

provides isolated power for the Phase Lock Loop (PLL). The

voltage should be well-regulated and the input should be provided with an

extremely low impedance path to the V

power rail.

CCQ

Quiet Power

—V

CCQ

provides isolated power for the internal processing logic. This

input must be tied externally to all other chip power inputs. The user must provide

adequate external decoupling capacitors.

CCA

Address Bus Power

—V

CCA

provides isolated power for sections of the address bus

I/O drivers. This input must be tied externally to all other chip power inputs. The

user must provide adequate external decoupling capacitors.

CCD

Data Bus Power

—VCCD provides isolated power for sections of the data bus I/O

drivers. This input must be tied externally to all other chip power inputs. The user

must provide adequate external decoupling capacitors.

VCCS Serial Interface Power—VCCS provides isolated power for the SHI and SAI. This

input must be tied externally to all other chip power inputs. The user must provide

adequate external decoupling capacitors.

Table 1-3 Grounds

Ground Name Description

GNDPPLL Ground—GNDPis ground dedicated for PLL use. The connection should be

provided with an extremely low-impedance path to ground. VCCP should be

bypassed to GNDPby a 0.47 µF capacitor located as close as possible to the chip

package.

GNDQQuiet Ground—GNDQprovides isolated ground for the internal processing logic.

This connection must be tied externally to all other chip ground connections. The

user must provide adequate external decoupling capacitors.

GNDAAddress Bus Ground—GNDAprovides isolated ground for sections of the address

bus I/O drivers. This connection must be tied externally to all other chip ground

connections. The user must provide adequate external decoupling capacitors.

GNDDData Bus Ground—GNDDprovides isolated ground for sections of the data bus I/O

drivers. This connection must be tied externally to all other chip ground

connections. The user must provide adequate external decoupling capacitors.

GNDS Serial Interface Ground—GNDSprovides isolated ground for the SHI and SAI. This

connection must be tied externally to all other chip ground connections. The user

must provide adequate external decoupling capacitors.

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1-4 DSP56007/D MOTOROLA

Signal/Connection Descriptions

Clock and PLL signals

CLOCK AND PLL SIGNALS

Note: While the PLL on this DSP is identical to the PLL described in the

DSP56000

Family Manual

, two of the signals have not been implemented externally.

Specifically, there is no PLOCK signal or CKOUT signal available. Therefore,

the internal clock is not directly accessible and there is no external indication

that the PLL is locked. These signals were omitted to reduce the number of

pins and allow this DSP to be put in a smaller, less expensive package.

Table 1-4 Clock and PLL Signals

Signal

Name Signal

Type

State

during

Reset Signal Description

EXTAL Input Input External Clock/Crystal—This input should be connected to an

external clock source. If the PLL is enabled, this signal is

internally connected to the on-chip PLL. The PLL can multiply

the frequency on the EXTAL pin to generate the internal DSP

clock. The PLL output is divided by two to produce a four-phase

instruction cycle clock, with the minimum instruction time being

two PLL output clock periods. If the PLL is disabled, EXTAL is

divided by two to produce the four-phase instruction cycle clock.

PCAP Input Input PLL Filter Capacitor—This input is used to connect a high-

quality (high “Q” factor) external capacitor needed for the PLL

filter. The capacitor should be as close as possible to the DSP with

heavy, short traces connecting one terminal of the capacitor to

PCAP and the other terminal to VCCP. The required capacitor

value is specified in Table 2-6 on page 2-6.

Note: When short lock time is critical, low dielectric absorption

capacitors such as polystyrene, polypropylene, or teflon are

recommended.

If the PLL is not used (i.e., it remains disabled at all times), there is

no need to connect a capacitor to the PCAP pin. It may remain

unconnected, or be tied to either Vcc or GND.

PINIT Input Input PLL Initialization (PINIT)—During the assertion of hardware

reset, the value on the PINIT line is written into the PEN bit of the

PCTL register. When set, the PEN bit enables the PLL by causing

it to derive the internal clocks from the PLL voltage controlled

oscillator output. When the bit is cleared, the PLL is disabled and

the DSP’s internal clocks are derived from the clock connected to

the EXTAL signal. After hardware RESET is deasserted, the

PINIT signal is ignored.

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