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AS3525 Datasheet(PDF) 160 Page - ams AG |
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AS3525 Datasheet(HTML) 160 Page - ams AG |
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160 / 194 page  AS3525-A/-B C22O22 Data Sheet, Confidential © 2005-2009, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved. www.austriamicrosystems.com Revision 1.13 160 - 194 0 W Microphone 1 connect detection interrupt setting 0: disable 1: enable 1 MIC1_connect (level) x R 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. 0 W Headphone connect detection interrupt setting 0: disable 1: enable 0 HPH_connect (level) x R 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 register at the same time. It is not possible to read back the interrupt enable/disable settings. This register is reset at a DVDD-POR. Bit Bit Name Default Access Bit Description 7:6 T_deb<1:0> 00 R/W Sets the USB and Charger connect de-bounce time: 00: 512ms 01: 256ms 10: 128ms 11: not defined 5 IRQ_Acthigh 0 R/W Sets the active output state of the INTRQ line: 0: IRQ is active low 1: IRQ is active high 4 IRQ_PushPull 0 R/W Sets the INTRQ output buffer type: 0: IRQ output is open drain 1: IRQ output is push pull 0 W Microphone 2 remote key press detection interrupt setting 0: disable 1: enable 3 Remote_Det2 (edge) x R 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 0 W Microphone 1 remote key press detection interrupt setting 0: disable 1: enable 2 Remote_Det1 (edge) x R 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 1 RTC_update (edge) 0 W RTC timer interrupt setting 0: disable 1: enable |
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