NAU8812EVB Nuvoton Technology Corporation of America, NAU8812EVB Datasheet - Page 83

• 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

During mute, the MONO output will output VREF that can be used as a DC reference for a headphone out.
Trim regulator bits can be used only when VDDD <2.7V.
Note cutting the power in half will directly affect the audio performances.
emPowerAudio
Datasheet Revision 2.0
Bit
0x38
Addr
0x3A
0
1
Addr
Cut power in half
13.9.8. MONO Mixer Control Register
13.9.9. Trimming Register
Normal Function
LPIPBST
Low Power IP
LPIPBST[8]
D8
0
D8
™
Bit
Boost
B1
0
1
0
0
1
1
MOUTMXMT[6]
D7
LPADC
0
MOUT Mute
D7
Not Muted
B0
Muted
0
1
0
1
MOUTMXMT
Cut power in half
Low Power ADC
Normal Function
LPSPKD
D6
Trim Output Regulator (V)
LPADC[7]
D6
TRIMREG[3:2]
AUXMOUT[2]
Disconnected
MONO Mixer
Auxiliary to
Connected
LPDAC MICBIASM
D5
1.800
1.610
1.400
1.218
0
D5
Page 83 of 109
D4
Cut power in half
Normal Function
0
Speaker Driver
LPSPKD[6]
Low Power
D4
Bypass path (output of Boost
Stage) to MONO Mixer
D3
Adjust Master Bias of the Analog Portion
0
BYPMOUT[1]
Disconnected
14% Current Decrease from Default
25% Current Decrease from Default
Connected
25% Current Increase from Default
TRIMREG[3:2]
D3
Default Current Consumption
AUXMOUT BYPMOUT DACMOUT 0x001
D2
Cut power in half
Low Power DAC
Normal Function
IBADJ[1:0]
LPDAC[5]
D2
D1
DACMOUT[0]
Disconnected
MONO Mixer
D1
Connected
IBADJ[1:0]
DAC to
NAU8812
January 2011
Microphone bias
Mode selection
MICBIASM[4]
D0
D0
Disable
Enable
Default
0x000
Default