參數(shù)資料
型號: AK4527BVQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: HIGH PERFORMANCE MULTI-CHANNEL AUDIO CODEC
中文描述: 高性能多通道音頻解碼器
文件頁數(shù): 24/33頁
文件大?。?/td> 292K
代理商: AK4527BVQ
ASAHI KASEI
[AK4527B]
MS0056-E-00
2000/10
- 24 -
n
Register Definitions
Addr
00H
Register Name
Control 1
default
D7
0
0
D6
0
0
D5
0
0
D4
0
0
D3
DIF1
1
D2
DIF0
0
D1
0
0
D0
SMUTE
0
SMUTE: Soft Mute Enable
0: Normal operation
1: All DAC outputs soft-muted
Register bit of SMUTE is ORed with the SMUTE pin if P/S = “L”.
DIF1-0: Audio Data Interface Modes (see table 7.)
Initial: “10”, mode 2
Addr
01H
Register Name
Control 2
default
D7
0
0
D6
0
0
D5
D4
D3
D2
DFS
0
D1
D0
0
0
LOOP1
0
LOOP0
0
SDOS
0
ACKS
0
ACKS: Master Clock Frequency Auto Setting Mode Enable
0: Disable, Manual Setting Mode
1: Enable, Auto Setting Mode
Master clock frequency is detected automatically at ACKS bit “1”. In this case, the setting of DFS are
ignored. When this bit is “0”, DFS sets the sampling speed mode.
DFS: Sampling speed mode (see table 1.)
0: Normal speed
1: Double speed
Register bit of DFS is ORed with DFS pin if P/S = “L”. The setting of DFS are ignored at ACKS bit “1”.
SDOS: SDTO source select
0: ADC
1: DAUX
Register bit of SDOS is ORed with SDOS pin if P/S = “L”.
LOOP1-0: Loopback mode enable
00: Normal (No loop back)
01: LIN
LOUT1, LOUT2, LOUT3
RIN
ROUT1, ROUT2, ROUT3
The digital ADC output (DAUX input if SDOS = “1”) is connected to the digital DAC input. In this
mode, the input DAC data to SDTI1-3 is ignored. The audio format of SDTO at loopback mode
becomes mode 2 at mode 0, and mode 3 at mode 1, respectively.
10: SDTI1(L)
SDTI2(L), SDTI3(L)
SDTI1(R)
SDTI2(R), SDTI3(R)
In this mode the input DAC data to SDTI2-3 is ignored.
11: N/A
Register bit of LOOP1 is ORed with LOOP1 pin if P/S = “L”.
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