AS3415 datasheet(78/102 Pages) AMSCO

78 / 102 page

AS3415/AS3435 – 78

ams Datasheet, Confidential: 2014-Jun-13 [v1-30]

Re g i st e r De sc rip t ion

Figure 99:

MODE_1 Register Description

Name

Address

Default Value

MODE_1

0x34

0x00

This register controls miscellaneous settings of the AS3515/35.

Bit

Bit Name

Default

Access

Bit Description

MICS_CP_OFF

R/W

This bit controls the microphone supply charge pump.

The microphone charge pump has a second function

besides the bias voltage generation for microphones.

It is also used to disable the integrated music bypass

switch if the AS3415/35 is active. In case the integrated

bypass switch is used in an application the

MICS_CP_OFF bit must not be set to ‘1’.

0: Microphone supply charge pump enabled

1: Microphone supply charge pump disabled

6MICS_OFF

R/W

This bit controls the microphone supply. In case this

bit is set to ‘1’ the MICS pin is disconnected from the

internal microphone supply.

0: Microphone supply switched on

1: Microphone supply switched off

MIC_AGC_ON

R/W

This bit disables the automatic gain control of the

microphone preamplifier.

0: AGC disabled

1: AGC enabled

4MIC_OFF

R/W

This bit powers down the microphone preamplifier.

0: Microphone preamplifier enabled

1: Microphone preamplifier disabled

3NO_LOWBAT_OFF

R/W

This bit disables the automatic power down function

of the device with a low battery condition.

0: Low battery shutdown enabled

1: Low battery shutdown disabled

2CP_OFF

R/W

This bit disables the VNEG charge pump in case there is

already a negative supply present in a system.

0: VNEG charge pump enabled

1: VNEG charge pump enabled

1HPH_OFF

R/W

This bit allows the user to power down headphone

amplifier in case it is not used in the final application in

order to save system power.

0: Headphone amplifier enabled

1: Headphone amplifier disabled

0LIN_OFF

R/W

This bit allows the user to power down the line input

preamplifier in case it is not used in the final

application in order to save system power.

0: Line Input amplifier enabled

1: Line Input amplifier disabled

AS3415 датащи(PDF) 78 Page - ams AG

AS3415 датащи(HTML) 78 Page - ams AG

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL