CS7410-CM Просмотр технического описания (PDF) - Cirrus Logic

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CS7410-CM

CD/MP3/WMA Audio Controller

Cirrus Logic 

2. CS7410 SUMMARY

2.1 CS7410 Typical Application

Figure 16 shows an example of a complete audio player using the CS7410.

Speakers/Headphones

(2 or 4 channel)

IEC-958

Optical

Driver

4 Chan.

2 Chan.

PCM

DACs

OP-AMPs

Servo

DSP/Rd

Channel

Digital Audio Out

DAC

Out

CD

Interface

Debug

Serial

Interface

Memory

Interface

CS7410

GPIO

CS7410

ROM/FLASH

(optional)

0-2 MB

For new code

DRAM

EDO/SDRAM

(optional)

0-8 MB

For shock protection

Keypad

Matrix

Serial

EEPROM

(optional)

LCD

Controller/

Display

IR

receiver

Figure 16. CS7410 Application

2.2 CS7410 Block Summaries

2.2.1 RISC-32

• Powerful 32-bit RISC processor

• Comprehensive development tool support

• Big or little endian data formats supported

• 32x32 (64-bit result) MAC, 2 cycles / multiply

with C support

• 4 Kbyte instruction cache, 2 Kbyte data cache

• Single cycle instructions, runs up to 90 MHz

2.2.2 DSP-16

• Powerful 16-bit DSP processor

• 16-bit fixed point logic, with 36 bit accumula-

tor.

• Single-cycle throughput, 2-cycle latency multi-

ply accumulate, 16-bit simple integer logic

• 512 byte instruction cache, 8 Kbyte program

visible local memory

• Single cycle instructions, runs up to 90 MHz

• DSP MAC is pipelined, 1 cycle / multiply

2.2.3 System Controls

• Includes 32 hardware lockable semaphore reg-

isters

• Two general-purpose registers for inter-proces-

DS553PP1

21

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