AS3410 datasheet(37/51 Pages) AMSCO

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AS3400 AS3410 AS3430 1v0

Data Sheet - R e g i s t e r D e s c r i p t i o n

Table 30. ANC_L Register

Name

Base

Default

ANC_L

2-wire serial

80h (OTP)

Offset: 30h

Left OTP Microphone Input Register

Configures the gain for the left microphone input. This is a special register, writing needs to be enabled by

writing 10b to Reg 3Fh first. This register is reset at POR and gets loaded with the OTP fuse contents.

Bit

Bit Name

Default

Access

Bit Description

TEST_BIT_1

for testing purpose only

6:0

MICL_VOL_OTP

<6:0>

000 0000

R/W

Volume settings for left microphone input, adjustable in 127 steps of 0.375dB

00 0000: MUTE

00 0001: -5.625dB gain

00 0010: -5.25 dB gain

11 1110: 41.250dB gain

11 1111: 41.625 dB gain

Table 31. ANC_R Register

Name

Base

Default

ANC_R

2-wire serial

80h (OTP)

Offset: 31h

Right OTP Microphone Input Register

Configures the gain for the left microphone input. This is a special register, writing needs to be enabled by

writing 10b to Reg 3Fh first. This register is reset at POR and gets loaded with the OTP fuse contents.

Bit

Bit Name

Default

Access

Bit Description

TEST_BIT_2

for testing purpose only

6:0

MICR_VOL_OTP

<6:0>

000 0000

R/W

Volume settings for right microphone input, adjustable in 127 steps of

0.375dB

00 0000: MUTE

00 0001: -5.625dB gain

00 0010: -5.25 dB gain

11 1110: 41.250dB gain

11 1111: 41.625 dB gain

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