參數(shù)資料
型號(hào)： AK4536
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi)： 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(yè)數(shù)： 21/59頁(yè)
文件大小： 403K
代理商： AK4536
ASAHI KASEI
[AK4536]
MS0174-E-00
2002/09
- 21 -
n
PLL Unlock
1) PLL, Master Mode (PMPLL bit = “1”, M/S bit = “1”)
In this mode, irregular frequency clocks are output from FCK and BICK pins after PMPLL bit = “0”
à
“1”. After that PLL
is unlocked, BICK and FCK pins output “L” for a moment. (See Table 6) Therefore a first period of FCK and BICK may
be irregular clock, but these clocks return to normal after a period of 1/fs.
Master Mode (M/S bit = “1”)
After that PMPLL “0”
à
“1”
BICK pin
Irregular clock output
FCK pin
Irregular clock output
Table 6. Clock Operation at Master & PLL Mode
2) PLL, Slave Mode (PMPLL bit = “1”, M/S bit = “0”)
In this mode, ADC and DAC are output to abnormal data when the PLL is unlocked. For DAC, the output signal should be
muted by writing “0” to DACA and DACM bits in Addr=02H.
n
Master Mode/Slave Mode
The M/S bit selects either master or slave modes. M/S bit = “1” selects master mode and “0” selects slave mode. When the
AK4536 is power-down mode (PDN pin = “L”) and exits reset state, the AK4536 is slave mode. After exiting reset state,
the AK4536 goes master mode by changing M/S bit = “1”.
When the AK4536 is used by master mode, FCK and BICK pins are a floating state until M/S bit becomes “1”. FCK and
BICK pins of the AK4536 should be pulled-down or pulled-up by about 100k
resistor externally to avoid the floating
state.
M/S bit
Mode
0
Slave Mode
1
Master Mode
Table 7. Select Master/Salve Mode
PLL Unlock
“L” Output
“L” Output
PLL Lock
See Table 9
1fs Output
Default
相關(guān)PDF資料
PDF描述
AK4536VN 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4536VN 制造商:AKM 制造商全稱(chēng):AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP
AK4537 制造商:AKM 制造商全稱(chēng):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(chēng):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(chēng):AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP
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