參數(shù)資料
型號： AK4536VN
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
中文描述： 16位單聲道編解碼器ALC的
文件頁數(shù)： 55/59頁
文件大?。?/td> 403K
代理商： AK4536VN
ASAHI KASEI
[AK4536]
MS0174-E-00
2002/09
- 55 -
n
Speaker-amp Output
FS2-0 bits
(Addr:05H, D2-0)
DOL7-0 bits
(Addr:0AH, 7-0)
PMDAC bit
(Addr:00H, D2)
PMSPK bit
(Addr:00H, D4)
XXX
XXX
0001100
XXXXXXX
SPP pin
Normal Output
SPPS bit
(Addr:02H, D7)
Hi-Z
Hi-Z
SPN pin
Normal Output
Hi-Z
Hi-Z
SVDD/2
SVDD/2
(1)
(4)
X
0
(3)
ALC2 bit
(Addr:07H, D6)
(5)
(6)
(8)
(7)
(2)
DACM bit
(Addr:02H, D3)
ALC2S bit
(Addr:02H, D5)
Example:
PLL, Master Mode
Audio I/F Format :DSP Mode, BCKP=MSBS= “0”
Sampling Frequency: 8kHz
Digital Volume: -8dB
ALC2 : Enable
(2) Addr:02H, Data:28H
(3) Addr:07H, Data:40H
(1) Addr:05H, Data:00H
(4) Addr:0AH, Data:28H
(5) Addr:00H, Data:54H
(6) Addr:02H, Data:A8H
(7) Addr:02H, Data:28H
Playback
(8) Addr:00H, Data:40H
Figure 39. Speaker-Amp Output Sequence
<Example>
At first, clocks should be supplied according to “Clock Set Up” sequence.
(1) Set up a sampling frequency (FS2-0 bit). When the AK4536 is PLL mode, DAC and Speaker-Amp should be
powered-up in consideration of PLL lock time after a sampling frequency is changed.
(2) Set up the path of “DAC
à
SPK-Amp”
DACM = ALC2S bit: “0”
à
“1”
(3) Set up the ALC2 Enable/Disable (ALC2 bit)
(4) Set up the digital volume (Addr = 0AH)
(5) Power Up of DAC and Speaker-Amp: PMDAC bit = PMSPK bit = “0”
→
“1”
(6) Exit the power-save-mode of Speaker-Amp: SPPS bit = “0”
→
“1”
The initializing time of Speaker amp is 512/fs =64ms ( @ fs=8kHz, ROTM bit = “0”)
(7) Enter the power-save-mode of Speaker-Amp: SPPS bit = “1”
→
“0”
(8) Power Down DAC and Speaker-Amp: PMDAC bit = PMSPK bit = “1”
→
“0”
相關(guān)PDF資料
PDF描述
AK4537 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP
AK4537VN 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP
AK4538 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4538VN 16Bit DS CODEC with MIC/HP/SPK-AMP
AK4541VQ AC’97 Rev 2.1 Multimedia Audio CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4537 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP
AK4537VN 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP
AK4537VNP-L 制造商:AKM Semiconductor Inc 功能描述:AK4537VNP-L
AK4538 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
AK4538VN 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
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