參數(shù)資料
型號： AS3517-T
廠商： ams
文件頁數(shù)： 86/94頁
文件大小： 0K
描述： IC CODEC AFE AUDIO STER 81-CTBGA
標(biāo)準(zhǔn)包裝： 2,000
類型： 音頻編解碼器
應(yīng)用： 便攜式音頻，電話
安裝類型： 表面貼裝
封裝/外殼： 81-TFBGA
供應(yīng)商設(shè)備封裝： 81-CTBGA（9x9）
包裝： 帶卷 (TR)
AS3517 V17
Data Sheet, Confidential
2003-2007, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Table 89 Fourth Interrupt Register
Name
Base
Default
IRQ_ENRD_3
2-wire serial
0x00
Fourth Interrupt Register
Offset: 26h
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
0
W
Supervisor junction over-temperature interrupt setting
0: disable
1: enable
7
JTEMP_HIGH
(level)
x
R
Supervisor junction over-temperature interrupt reading
0: chip temperature below threshold
1: chip temperature has reached the threshold
The threshold can be set in the SUPERVISOR register (21h)
6
0
n/a
0
W
Headphone over-current interrupt setting
0: disable
1: enable
The interrupt must not be enabled if the headphone block is
disabled
5
HPH_OVC
(level)
x
R
Headphone over-current interrupt reading
0: no over-current detected
1: headphone over-current detected, headphone amplifier was
shut down. The current thresholds are 150mA at HPR / HPL
pin or 300mA at HPCM pin. The shut-down time can be set in
HPH_OUT_R register (0x02)
4
I2S_STATUS
x
R
0: no LRCK on I2S interface detected
1: LRCK on I2S interface present
0
W
I2S input status change interrupt setting
0: disable
1: enable
3
I2S_CHANGED
(status change)
x
R
I2S input status change interrupt reading
0: I2S input status not changed
1: I2S input status changed, check I2S_status
0
W
Microphone 2 connect detection interrupt setting
0: disable
1: enable
2
MIC2_CONNECT
(level)
x
R
Microphone 2 connect detection interrupt reading
0: no microphone connected to MIC input
1: microphone connected at MIC input.
This interrupt is only invoked when the microphone stage is
powered down. The 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
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 MIC input
1: microphone connected at MIC input.
This interrupt is only invoked when the microphone stage is
powered down. The IRQ will be released after enabling the
microphone stage.
Detecting a microphone during operation has to be done by
measuring the supply current.
Revision 1v3
86
- 93
ams
AG
Technical
content
still
valid
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