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AS3421 数据表(PDF) 29 Page - ams AG

部件名 AS3421
功能描述  Low Power Ambient Noise-Cancel l ing Speaker Dr iver
PDF  61 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3421 数据表(HTML) 29 Page - ams AG

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OTP Register
10h
ANC_L2
TEST_BIT_5
MICL_VOL_OTP2<6:0>
Gain from MICL to QMICL or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
11h
ANC_R2
ALT1_LOCK
MICR_VOL_OTP2<6:0>
Gain from MICR to QMICR or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
12h
ANC_L3
TEST_BIT_6
MICL_VOL_OTP3<6:0>
Gain from MICL to QMICL or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
13h
ANC_R3
ALT2_LOCK
MICR_VOL_OTP3<6:0>
Gain from MICR to QMICR or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
14h
ANC_L4
TEST_BIT_7
MICL_VOL_OTP4<6:0>
Gain from MICL to QMICL or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
15h
ANC_R4
ALT3_LOCK
MICR_VOL_OTP4<6:0>
Gain from MICR to QMICR or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
16h
MICS_CNTR
LowBat + 100mV
DEL_ ANC_MUX
17h
PWRUP
SEQ_LOCK
FAST_START<4:0>
0: ~900ms; 0Eh: ~600ms
LIN_AGC_OFF
MIC_AGC_OFF
30h
ANC_L
TEST_BIT_1
MICL_VOL_OTP<6:0>
Gain from MICL to QMICL or Mixer = MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
31h
ANC_R
TEST_BIT_2
MICR_VOL_OTP<6:0>
Gain from MICR to QMICR or Mixer =MUTE, -11.25dB...+36dB; 127 steps of 0.375dB
32h
MIC_MON
MON_MODE
0: fixed volume
1: adj. volume
MIC_MON_OTP<6:0>
Gain from MICl/R to QMICL/R or Mixer = MUTE, -5.625dB...+41.6dB; 0.375dB steps, if MON_MODE is set to 0
Gain from MICl/R to QMICL/R or Mixer = MUTE, -5.625dB...+41.6dB; 0.375dB steps, adjustable by VOL pin if MON_MODE is set to 1
33h
AUDIO_SET
NO_PB_MODE_OTP
0: PB mode enabled
1: PB mode disabled
VOL_BUTTON_
MODE_OTP
0: Volume Mode disabled
1: Volume Mode enabled
LINE_GAIN_+3dB
OTP
0: 0dB max. Line Gain
1: +3dB max. Line Gain
MIC_MODE_
OTP
0: StereoSingleEnd
1: MonoDiff
HP_MODE_
OTP
0: StereoSingleEnd
1: MonoDiff
LIN_MON_ATTEN<2:0>
0: no attenuation;
1..6: LIN_VOL<6:0> shift by -6dB...-36dB
7: MUTE
34h
GP_OP
HP_MUX_OTP<1:0>
0: MIC; 1: OP1;
2: OP2; 3: -
OP2_OTP<3:0>
0: OP2 inverting mode;
0x1..0xF: OP2 non inverting mode gain = 0...10.5dB; 15 steps of 0.75dB
OP2_ON_OTP
OP1_ON_OTP
35h
OTP_SYS
MAIN_LOCK
0: write reg 30h.. 35h
1: lock reg 30h..35h
TEST_BIT_3
MON_HP_MUX<1:0>
0: MIC; 1: OP1;
2: OP2; 3: -
CP_MODE
0: Low noise, low voltage
1: High output voltage;
MICS_CP_OFF
I2C_MODE
3Eh
CONFIG_1
EXTBURNCLK
3Fh
CONFIG_2
TM34
BURNSW
TM_REG34-35
TM_REG30-33
OTP_MODE<1:0>
0: READ; 1: LOAD;
2: WRITE; 3: BURN
Table 15. I2C Register Overview
Addr
Name
b7
b6
b5
b4
b3
b2
b1
b0



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