AS3665 datasheet(39/78 Pages) AMSCO

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Revision 1.0.2

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AS3665

Datasheet, Confidential - D e taile d D e scri pti on In ter r upt Gene rat or

The interrupt output pad INT/AUDIO_IN is controlled by register GPO_Control:

int3_masked

1R/W

0No Mask

int3 is masked

no_extclock_detected_m

asked

1R/W

0No Mask

no_extclock_detected is masked

init_ready_int_masked

1R/W

0No Mask

init_ready_int is masked

adc_eoc_masked

1R/W

0No Mask

adc_eoc is masked

ov_temp_masked

1R/W

0No Mask

ov_temp is masked

Table 50. GPO_Control Register

Addr: 04h

GPO_Control Register

Bit

Bit Name

Default Access

Description

4:3

int_mode

00b

R/W

Define operating mode of INT/AUDIO_IN ball

open drain output of interrupt status

push/pull output of signal int_signal

analog input -

use for Audio Input (see page 34) or

Analog to Digital Converter (see page 32)

int_signal

R/W

Status of INT/AUDIO_IN ball if int_mode=01

active low

active high (VBAT)

int_on_trig

R/W

Interrupt output selection flag

Interrupt status is available on ball INT/AUDIO_IN

(if int_mode=00)

Interrupt status is available on ball TRIG

1. Set int_on_trig=1 if the ball INT/AUDIO_IN is used for audio and/or ADC and an interrupt output is required;

the ball TRIG is then used as the interrupt open drain output

Table 49. Interrupt_Mask Register (Continued)

Addr: 0Dh

Interrupt_Mask Register

Bit

Bit Name

Default Access

Description

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