SAA7712H Datasheet, PDF (2/44 Pages) NXP Semiconductors – Sound effects DSP

Philips Semiconductors
Sound effects DSP
Preliminary specification
SAA7712H
CONTENTS
9
1
FEATURES
9.1
9.2
1.1
Hardware features
9.3
1.2
Software features
9.4
2
APPLICATIONS
9.5
3
GENERAL DESCRIPTION
9.6
4
QUICK REFERENCE DATA
10
5
ORDERING INFORMATION
11
6
BLOCK DIAGRAM
12
7
PINNING INFORMATION
13
8
FUNCTIONAL DESCRIPTION
14
8.1
Analog outputs
15
8.1.1
Analog output circuit
16
8.1.2
DAC frequency
17
8.1.3
8.1.4
DACs
Upsample filter
18
8.1.5
Performance
19
8.1.6
Power-On Mute (POM)
19.1
8.1.7
Power-off plop suppression
8.1.8
Pin VREFDA
19.2
8.1.9
Internal DAC current reference
19.3
8.1.10 Supply of the analog outputs
19.4
8.2
I²S-bus inputs and outputs
19.5
8.2.1
Digital data stream formats
8.2.2
8.2.3
Slave I²S-bus inputs
Master I²S-bus inputs and outputs
20
8.3
Equalizer accelerator
21
8.3.1
Introduction
22
8.3.2
Configuration of equalizer sections
8.3.3
Overflow detection
8.4
Clock circuit and oscillator
8.4.1
General description
8.4.2
Supply of the crystal oscillator
8.5
Programmable phase-locked loop circuit
8.6
I²C-bus control
8.6.1
Introduction
8.6.2
Characteristics of the I²C-bus
8.6.3
Bit transfer
8.6.4
Start and stop conditions
8.6.5
Data transfer
8.6.6
Acknowledge
8.6.7
State of the I²C-bus interface during and after
Power-on reset
8.7
External control pins
8.8
Reset pin
8.9
Power supply connection and EMC
8.10
Test mode connections
I²C-BUS FORMAT
Addressing
Slave address (pin A0)
Write cycles
Read cycles
I²C-bus memory map summary
I²C-bus memory map details
LIMITING VALUES
THERMAL CHARACTERISTICS
DC CHARACTERISTICS
ANALOG OUTPUTS CHARACTERISTICS
OSCILLATOR CHARACTERISTICS
I²S-BUS TIMING CHARACTERISTICS
I²C-BUS TIMING CHARACTERISTICS
APPLICATION INFORMATION
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I²C COMPONENTS
1999 Aug 05
2