NAU8812EVB Nuvoton Technology Corporation of America, NAU8812EVB Datasheet - Page 6

• Manufacturer Part Number: NAU8812EVB
• Description: BOARD EVAL FOR NAU8812
• Manufacturer: Nuvoton Technology Corporation of America
• Series: emPowerAudio™r

Specifications of NAU8812EVB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.
emPowerAudio
Datasheet Revision 2.0
12.8.
12.9.
12.10. DIGITAL AUDIO INTERFACES ................................................................................................................. 51
12.11. POWER SUPPLY....................................................................................................................................... 58
13.1.
13.2.
13.3.
13.4.
13.5.
13.6.
12.7.2.
12.7.3.
12.9.1.
12.9.2.
12.10.1. Right Justified audio data .................................................................................................................... 52
12.10.2. Left Justified audio data ...................................................................................................................... 53
12.10.3. I
12.10.4. PCM audio data .................................................................................................................................. 55
12.10.5. PCM Time Slot audio data .................................................................................................................. 56
12.10.6. Companding ........................................................................................................................................ 57
12.11.1. Power-On Reset .................................................................................................................................. 58
12.11.2. Power Related Software Considerations ............................................................................................. 58
12.11.3. Software Reset.................................................................................................................................... 59
12.11.4. Power Up/Down Sequencing .............................................................................................................. 59
12.11.5. Reference Impedance (REFIMP) and Analog Bias ............................................................................. 60
12.11.6. Power Saving ...................................................................................................................................... 60
12.11.7. Estimated Supply Currents ................................................................................................................. 61
13.2.1.
13.2.2.
13.2.3.
13.3.1.
13.3.2.
13.3.3.
13.3.4.
13.3.5.
13.3.6.
13.3.7.
13.3.8.
13.3.9.
REGISTER DESCRIPTION ............................................................................................................................... 62
12.9.1.1.
12.9.1.2.
12.9.1.3.
12.9.2.1.
12.9.2.2.
12.9.2.3.
CLOCK GENERATION BLOCK ................................................................................................................. 42
CONTROL INTERFACE ............................................................................................................................ 46
SOFTWARE RESET .................................................................................................................................. 64
POWER MANAGEMENT REGISTERS ..................................................................................................... 64
AUDIO CONTROL REGISTERS ................................................................................................................ 65
DIGITAL TO ANALOG CONVERTER (DAC) LIMITER REGISTERS ........................................................ 72
NOTCH FILTER REGISTERS ................................................................................................................... 73
AUTOMATIC LEVEL CONTROL REGISTER ............................................................................................ 74
™
Jack Detect ......................................................................................................................................... 40
Thermal Shutdown .............................................................................................................................. 41
SPI Serial Control ................................................................................................................................ 46
2-WIRE Serial Control Mode (I
Power Management 1 ......................................................................................................................... 64
Power Management 2 ......................................................................................................................... 65
Power Management 3 ......................................................................................................................... 65
Audio Interface Control ....................................................................................................................... 65
Audio Interface Companding Control .................................................................................................. 66
Clock Control Register ........................................................................................................................ 67
Audio Sample Rate Control Register .................................................................................................. 68
GPIO Control Register ........................................................................................................................ 69
DAC Control Register .......................................................................................................................... 69
DAC Gain Control Register ................................................................................................................. 70
ADC Control Register .......................................................................................................................... 70
ADC Gain Control Register ................................................................................................................. 71
2
S audio data ...................................................................................................................................... 54
16-bit Write Operation (default) ................................................................................................... 47
24-bit Write Operation ................................................................................................................. 47
32-bit Read Operation ................................................................................................................ 48
2-WIRE Protocol Convention ...................................................................................................... 49
2-WIRE Write Operation ............................................................................................................. 49
2-WIRE Read Operation ............................................................................................................. 50
2
C Style Interface) ............................................................................... 48
Page 6 of 109
NAU8812
January 2011