AS3525 datasheet(160/194 Pages) AMSCO

160 / 194 page

AS3525-A/-B C22O22

Data Sheet, Confidential

www.austriamicrosystems.com

Revision 1.13

160

- 194

Microphone 1 connect detection interrupt setting

0: disable

1: enable

MIC1_connect

(level)

Microphone 1 connect detection interrupt reading

0: no microphone connected to MIC1 input

1: microphone connected at MIC1 input.

IRQ will be released after enabling the microphone stage.

Detecting a microphone during operation has to be done by

measuring the supply current.

Headphone connect detection interrupt setting

0: disable

1: enable

HPH_connect

(level)

Headphone connect detection interrupt reading

0: no headphone connected

1: headphone connected

IRQ will be released after enabling the headphone stage.

Detecting a headphone during operation is not possible.

Table 147 Third Interrupt Register

Name

Base

Default

IRQ_ENRD_2

I2C audio master

0x00

Third Interrupt Register

Offset: 0x27

Please be aware that writing to this register will enable/disable the corresponding

interrupts, while with reading you get the actual interrupt status and will clear the

settings. This register is reset at a DVDD-POR.

Bit

Bit Name

Default

Access

Bit Description

7:6

T_deb<1:0>

R/W

Sets the USB and Charger connect de-bounce time:

00: 512ms

01: 256ms

10: 128ms

11: not defined

IRQ_Acthigh

R/W

Sets the active output state of the INTRQ line:

0: IRQ is active low

1: IRQ is active high

IRQ_PushPull

R/W

Sets the INTRQ output buffer type:

0: IRQ output is open drain

1: IRQ output is push pull

Microphone 2 remote key press detection interrupt setting

0: disable

1: enable

Remote_Det2

(edge)

Microphone 2 remote key press detection interrupt reading

0: no key press detected

1: Microphone 2 supply current got increased, remote key

press detected -> measure MSUP2 supply current

Microphone 1 remote key press detection interrupt setting

0: disable

1: enable

Remote_Det1

(edge)

Microphone 1 remote key press detection interrupt reading

0: no key press detected

1: Microphone 1 supply current got increased, remote key

press detected -> measure MSUP1 supply current

RTC_update

(edge)

RTC timer interrupt setting

0: disable

1: enable

AS3525 Datasheet(PDF) 160 Page - ams AG

AS3525 Datasheet(HTML) 160 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

Datasheet Descarga

Enlace URL