ESS M-BLASTER manuals

Ess M-BLASTER Specifications (112 pages)

Brand: Ess | Category: MP3/MP4 players | Size: 1.61 MB |

English

Table of contents

AudioDrive

1

Solution

1

Data Sheet

1

FEATURES

2

Figure 1 Typical Application

2

CONTENTS

3

PIN DESCRIPTION

6

MICROCONTROLLER

9

ES1869 DATA SHEET

10

FUNCTIONAL DESCRIPTION

10

MIXER SCHEMATIC BLOCK DIAGRAM

11

BUS INTERFACING

12

DIGITAL AUDIO

13

• Programmed I/O

14

• DMA modes

14

INTERRUPTS

17

Interrupt Mask Register

18

Sharing Interrupts

18

PERIPHERAL INTERFACING

19

Modem Interface

22

IDE CD-ROM Interface

22

General-Purpose I/O Device

23

Joystick / MPU-401 Interface

23

JOYSTICK PORT

24

MIDI OUT

24

MONO_IN and MONO_OUT

25

Spatializer

25

VBX™ Audio Processor

25

PC Speaker

26

ANALOG DESIGN CONSIDERATIONS

27

(one set per card)

28

• matches the CSN:

29

• does not match the CSN:

29

Logical Device Registers

31

I/O PORTS

38

Port Descriptions

39

PROGRAMMING THE ES1869

43

Data Formats

44

• 8-bit or 16-bit

44

• Mono or stereo

44

• Signed or unsigned

45

Extended Mode Programming

47

Programmed I/O DAC Operation

51

Programmed I/O ADC Operation

51

Programming the ES1869 Mixer

52

7 6 5 4 3 2 1 0

53

REGISTERS

56

ESS Mixer Registers

57

5 Serial

60

Serial mode

61

(BAh, R/W)

70

(BBh, R/W)

70

4 1 Reserved. Always write 1

70

Code Offset Code Offset

71

Table 26 Command Summary

72

POWER MANAGEMENT

74

Self-Timed Power-Down

77

5 V 3.3 V 5 V

79

TIMING DIAGRAMS

80

Figure 32 I

84

TIMING CHARACTERISTICS

85

MECHANICAL DIMENSIONS

86

ES1869S TQFP Package

87

APPENDIX C: I

93

S ZV INTERFACE REFERENCE

93

The Audio Interface

94

Audio Interface Timing

95

. . . . .

96

ZV Port Pin Assignments

97

APPENDIX H: LAYOUT GUIDELINES

110

ORDERING INFORMATION

112

Ess M-BLASTER Specifications (112 pages)

Brand: Ess | Category: MP3/MP4 players | Size: 1.04 MB |

English

Table of contents

PRELIMINARY

1

DESCRIPTION

1

FEATURES

1

CONTENTS

3

PIN DESCRIPTION

6

FUNCTIONAL DESCRIPTION

8

MIXER SCHEMATIC BLOCK DIAGRAM

10

TYPICAL APPLICATION

11

ISA BUS INTERFACE

12

DIGITAL AUDIO

12

DRQ LATCH FEATURE

15

FOURTH DRQ CHANNEL

15

INTERRUPTS

16

PERIPHERAL INTERFACING

18

JOYSTICK PORT

22

MIDI OUT

22

ANALOG DESIGN CONSIDERATIONS

28

CONFIGURATION

29

I/O PORTS

41

PROGRAMMING THE ES1879

47

REGISTERS

62

POWER MANAGEMENT

87

ELECTRICAL CHARACTERISTICS

89

ES1879 DATA SHEET

92

ES1879 TIMING DIAGRAMS

92

MECHANICAL DIMENSIONS

96

APPENDIX C: I

100

S ZV INTERFACE REFERENCE

100

Overview

100

The Audio Interface

100

. . . . .

103

ZV Port Pin Assignments

104

APPENDIX E: LAYOUT GUIDELINES

109

PCB Layout

109

ESS devices