Nuvoton NAU88L24 Manuals

Manuals and User Guides for Nuvoton NAU88L24. We have 1 Nuvoton NAU88L24 manual available for free PDF download: Manual

Nuvoton NAU88L24 Manual (96 pages)

Ultra-Low Power Audio CODEC with Stereo Class D Drivers and Ground Referenced Headphone Amplifier with Advanced Headset Detection

Brand: Nuvoton | Category: Computer Hardware | Size: 2 MB

Block Diagram
2
Table of Contents
3
Pin Diagram-Qfn48
6
Pin Diagram-Wlcsp
7
Ordering Information
7
Pin Description-Qfn48
8
Pin Description-56 Balls Wlcsp
10
Electrical Characteristics
12
General Description
15
Inputs
15
Outputs
15
ADC, DAC and Digital Signal Processing
15
Digital Interfaces
15
Power Supply
15
Power on and off Reset
16
Input Path Detailed Descriptions
16
Analog Microphone Inputs
16
Vref
17
MIC Bias
18
Digital MIC Inputs
18
Line Inputs
19
Programmable Gain Amplifier
19
Adc Digital Block
19
ADC Dynamic Range Compressor (DRC)
20
Level Estimation
20
Static Curve
20
ADC Digital Volume Control
22
ADC Programmable High Pass Filter
22
Programmable Notch Filter
23
ADC Path Digital Mixer
24
5-Band Equalizer
24
Companding
25
Additional ADC Application Notes
25
Dac Digital Block
25
DAC Dynamic Range Control (DRC)
26
Level Estimation
26
Static Curve
26
DAC Digital Volume Control
27
DAC Soft Mute
27
5-Band Equalizer
28
DAC Path Digital Mixer with Side Tone
28
Companding
29
Μ-Law
30
A-Law
30
Additional DAC Application Notes
30
Clocking and Sample Rates
30
Frequency Locked Loop (FLL)
32
Control Interfaces
34
2-Wire-Serial Control Mode (I C Style Interface)
35
2-Wire Protocol Convention
35
2-Wire Write Operation
35
2-Wire Read Operation
36
Digital Serial Interface Timing
36
Software Reset
37
Digital Audio Interfaces
37
Right-Justified Audio Data
38
Left-Justified Audio Data
38
I2S Audio Data
38
PCM a Audio Data
39
PCM B Audio Data
39
PCM Time Slot Audio Data
39
TDM I2S Audio Data
40
TDM PCM a Audio Data
40
TDM PCM B Audio Data
41
TDM PCM Offset Audio Data
41
Outputs
43
Stereo Class D Speaker Outputs
43
Differential Mixer
43
Device Protection
44
Class D Without Filter
44
Class D Filters
45
NAU88L24 EMI Performance
46
Class G Headphone Driver and Charge Pump
46
Headset Detection
47
Jack Detection
47
Microphone Detection
48
Key/Button Detection
48
Sar Adc
51
Jack Interrupt Sequence
52
Jack Insert
52
Jack Eject
52
Short Key Press
52
Key Release
52
Basic Register Sequences
53
To Enable VREF and General Bias
53
Enable/Disable Input
53
Enable Analog ADC
53
Enable/Disable FLL
53
Enable/Disable DAC
54
Enable/Disable Class D Driver
54
Enable/Disable Headphone
54
Enable DAC to Headphone Low Power MP3 Playback Mode
55
Enable DAC to Class D Low Power MP3 Playback Mode
55
Jack Detection
55
Control and Status Registers
57
Typical Application Diagram
90
Package Information
91
Qfn 48L 7X7Mm^2
91
QFN48L 6X6Mm^2
92
WLCSP 56 Balls
93
Ordering Information
94
Revision History
95
Important Notice
96

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Nuvoton NAU88L24 Manual (96 pages)

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