參數(shù)資料
型號(hào)： AK4671
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/RCV/HP-AMP
中文描述： 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù)： 113/164頁
文件大?。?/td> 1792K
代理商： AK4671
[AK4671]
MS0666-E-00
2007/10
- 113 -
<SAR ADC Execute Sequence (in case that the interrupt function is not used.)>
[4-wire Serial Mode]
(1)
Select the measurement mode by A1-0 bits and set PMSAD bit = “1” to power-up SAR ADC.
(2)
Input “1” at the 4th bit just after R/W bit so that A/D conversion is executed and 10bit A/D data is output from 9th to
18th CCLK clock.
[I
2
C Mode]
(1)
Select the measurement mode by A1-0 bits and set PMSAD bit = “1” to power-up SAR ADC.
(2)
Read Addr=5BH so that A/D conversion is executed and MSB 8bit data is output.
(3)
Continuously read Addr=5CH then LSB 2bit data is output.
<SAR ADC Execute Sequence (in case that the interrupt function is used.)>
[4-wire Serial Mode]
(1)
GPOM1 bit should be set to “1”. The GPO1 pin can be used as the interrupt output pin.
(2)
Select the measurement mode by A0 bit.
(3)
The GPO1 pin goes to “H” when the input DC voltage of SAIN1 or SAIN2 pin (selected by A0 bit) is higher than the
input voltage of SAIN3 pin.
(4)
After CPU detects GPO1 pin = “H”, set GPOM1 bit = “0” and PMSAD bit = “1” to power-up SAR ADC.
(5)
Input “1” at the 4th bit just after R/W bit so that A/D conversion is executed and 10bit A/D data is output from 9th to
18th CCLK clock.
[I
2
C Mode]
(1)
GPOM1 bit should be set to “1”. The GPO1 pin can be used as the interrupt output pin.
(2)
Select the measurement mode by A0 bit.
(3)
The GPO1 pin goes to “H” when the input DC voltage of SAIN1 or SAIN2 pin (selected by A0 bit) is higher than the
input voltage of SAIN3 pin.
(4)
After CPU detects GPO1 pin = “H”, set GPOM1 bit = “0” and PMSAD bit = “1” to power-up SAR ADC.
(5)
Read Addr=5BH so that A/D conversion is executed and MSB 8bit data is output.
(6)
Continuously read Addr=5CH then LSB 2bit data is output.
相關(guān)PDF資料
PDF描述
AK4671EG Stereo CODEC with MIC/RCV/HP-AMP
AK4673 Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4682 Multi-channel CODEC with 2Vrms Stereo Selector
AK4682EQ Multi-channel CODEC with 2Vrms Stereo Selector
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4671_10 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4671EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4673 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4675 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP/SPK-AMP
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