參數(shù)資料
型號(hào)： 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(yè)數(shù)： 18/59頁(yè)
文件大?。?/td> 403K
代理商： AK4536VN
ASAHI KASEI
[AK4536]
MS0174-E-00
2002/09
- 18 -
OPERATION OVERVIEW
n
Master Clock Source
The AK4536 requires a master clock (MCKI). This master clock is input to the AK4536 by connecting a X’tal oscillator to
XTI and XTO pins or by inputting an external CMOS-level clock to the XTI pin or by inputting an external clock that is
greater than 50% of the DVDD level to the XTI pin through a capacitor. When using a X’tal oscillator, there should be
capacitors between XTI/XTO pins and DVSS.
Master Clock
X’tal Oscillator (Figure 15)
Oscillator ON
Oscillator OFF
External Clock Direct Input (Figure 16)
Clock is input to MCKI pin.
MCKI pin is fixed to “L”.
MCKI pin is fixed to “H”.
MCKI pin is Hi-Z.
AC Coupling Input (Figure 17)
Clock is input to MCKI pin.
Clock isn’t input to MCKI pin.
Table 1. Master Clock Status by PMXTL bit and MCKPD bit
(1) X’tal Oscillator
Status
PMXTL bit
1
0
0
0
0
0
1
0
MCKPD bit
0
1
0
0/1
0
1
0
1
XTI
XTO
AK4536
25k
MCKPD="0"
PMXTL = "1"
C
C
Figure 15. X’tal mode
- Note: The capacitor values depend on the X’tal oscillator used. (typ. 10
～
30pF)
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