Audio Mixer. AMU2481 Datasheet

AMU2481 Mixer. Datasheet pdf. Equivalent

Part AMU2481
Description Audio Mixer
Feature MICRONAS INTERMETALL AMU 2481 Audio Mixer Edition August 3, 1992 6251-324-3E MICRONAS AMU 2481 .
Manufacture Micronas
Datasheet
Download AMU2481 Datasheet




AMU2481
MICRONAS
INTERMETALL
AMU 2481
Audio Mixer
Edition August 3, 1992
6251-324-3E
MICRONAS



AMU2481
AMU 2481
Contents
Page
Section
3 1.
3 1.1.
5 2.
5 2.1.
5 2.1.1.
6 2.1.2.
6 2.1.2.1.
6 2.1.2.2.
6 2.1.3.
6 2.1.3.1.
7 2.1.3.2.
8 2.1.4.
9 2.2.
9 2.2.1.
9 2.2.2.
9 2.2.3.
9 2.3.
10 3.
10 3.1.
10 3.2.
10 3.3.
11 3.4.
11 3.5.
11 3.6.
12 3.7.
12 3.8.
12 3.9.
13 3.10.
13 3.11.
13 3.12.
14 3.13.
16 4.
16 4.1.
16 4.2.
16 4.2.1.
17 4.2.2.
17 4.3.
18 4.4.
19 4.5.
19 4.5.1.
19 4.5.2.
21 4.5.3.
22 5.
23 6.
Title
Introduction
Application of the AMU 2481
Architecture of the AMU 2481 and Functional Description
I/O Blocks
Digital Decimation Filters
S Bus Interface and S Bus
Description of the S Bus
The S Bus Interface
IM Bus Interface and IM Bus
Description of the IM Bus
The IM Bus Interface
Digital/Analog Converter (DAC) and Volume 2
DSP Block
C–RAM, C–ROM and Data RAM
Program ROM, Program Counter and Control Block
Arithmetic Logic Unit (ALU)
System Clock ΦM and PDM Sampling Rate
Functions Solved by DSP Software
Representation of Numbers
DC Offset Suppression (for PDM–Data only)
50 µs Digital Deemphasis (for PDM–Data only)
J17 Deemphasis (for S–Data only)
Medium Quality Oversampling Filter
Audio Mixing Section
Sin x/x Compensation
Volume Control
Matrix 2
50 µs Digital Preemphasis
Oversampling Filter for Ch1 and Ch2
AMU 2481 Initialization
Complete Coefficient Table
Specifications
Outline Dimensions
Pin Connections
24–Pin DIL Package
44–Pin PLCC Package
Pin Descriptions
Pin Circuits
Electrical Characteristics
Absolute Maximum Ratings
Recommended Operating Conditions
Characteristics
Appendix 1: Application Circuit
Appendix 2: Program Structure
2 MICRONAS INTERMETALL







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