參數(shù)資料
型號(hào): AK4537VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 16位ツヒ立體聲編解碼器與麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 61/76頁
文件大?。?/td> 576K
代理商: AK4537VN
ASAHI KASEI
[AK4537]
MS0202-E-04
2005/04
- 61 -
CONTOROL SEQUENCE
Power up
Upon power-up, bring the PDN pin = “L”. Initialize the internal registers to default values after the PDN pin = “H”. Set
the following registers to establish the initial condition.
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D7)
DIF1-0 bits
(Addr:04H, D1-0)
BF bit
(Addr:04H, D2)
PLL1-0 bits
(Addr:04H, D7-6)
MOUT2 bit
(Addr:02H, D0)
ALCS bit
(Addr:02H, D1)
DAHS bit
(Addr:03H, D7)
(2)
10
XX
X
XX
00
0
(3)
(4)
(6)
(5)
E xam ple :
A udio I/F Fo rm at : I
2
S
B IC K frequency at M aster M o de : 64fs
Input M aster C lo ck S elect at P LL M o de : 11.2896M H z
(1) P ower S upply
(2) P DN pin = “L”
“H”
(3) A ddr:00H , Data 80H
(4) A ddr:02H , D ata 03H
(5) A ddr:03H , D ata 83H
(6) A ddr:04H , D ata 42H
Figure 48. Power Up Sequence
<Example>
(1) Power Supply
(2) PDN pin = “L”
“H”
“L” time of 150ns or more is needed to reset the AK4537.
(3) Power up VCOM : PMVCM bit = “0”
“1”
VCOM should first be powered up before the other block operates.
(4) Set up register 02H : MOUT2 bit = ALCS bit = “0”
“1”
Set the MOUT2 and ALCS bits to “1” when using the Speaker-amp.
(5) Set up register 03H : HPL bit = HPR bit = “1”
“0”, DAHS bit = “0”
“1”
(6) Set up register 04H
DIF1-0 bits set the audio interface format.
BF bit sets BICK output frequency in master mode.
PLL1-0 bits set MCLK input frequency in PLL mode.
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AK4538 16Bit DS CODEC with MIC/HP/SPK-AMP
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4537VNP-L 制造商:AKM Semiconductor Inc 功能描述:AK4537VNP-L
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AK4541VQ 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC