參數(shù)資料
型號: AK4566
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 20bit Stereo CODEC with built-in IPGA & HP-AMP
中文描述: 20位立體聲編解碼器內(nèi)置單親遺傳算法
文件頁數(shù): 28/45頁
文件大小: 454K
代理商: AK4566
ASAHI KASEI
AKM CONFIDENTIAL
[AK4566]
REV 0.5
2002/2
- 28 -
n
Register Definitions
Addr
Register Name
00H
Power Management
Default
PMVCM: Power Management for VCOM Block
0: Power OFF (Default)
1: Power ON
PMADC: Power Management for IPGA and ADC Blocks
0: Power OFF (Default)
1: Power ON
MCLK should be present when PMADC bit= “1”.
PMDAC: Power Management for DAC Blocks
0: Power OFF (Default)
1: Power ON
When PMDAC bit is changed from “0” to “1”, DAC is powered-up to the current register values (ATT
value, sampling rate, etc).
PMHPL: Power Management for Lch of Headphone Amp
0: Power OFF (Default). HPL pin becomes HVSS(0V).
1: Power ON
PMHPR: Power Management for Rch of Headphone Amp
0: Power OFF (Default). HPR pin becomes HVSS(0V).
1: Power ON
PMMO: Power Management for Mono Output
0: Power OFF (Default) MOUT pin becomes Hi-Z.
1: Power ON
HPLMT: Mute for Lch of Headphone Amp
0: Normal operation (Default). MUTET pin is connected to VCOM pin internally.
1: Mute. MUTET pin is connected to HPL pin internally.
HPLMT: Mute for Rch of Headphone Amp
0: Normal operation (Default). MUTET pin is connected to VCOM pin internally.
1: Mute. MUTET pin is connected to HPR pin internally.
HPLMT
HPRMT
0
0
0
1
1
0
1
1
Table 5. MUTET internal connection
All blocks can be powered-down by setting PDN pin to “L” regardless of register values setup. All blocks can be also
powered-down by setting all power management bits to “0”. In this case, control register values are held.
D7
D6
D5
D4
D3
D2
D1
D0
HPRMT
0
HPLMT
0
PMMO
0
PMHPR
0
PMHPL
0
PMDAC PMADC
0
PMVCM
0
0
MUTET
Connected to VCOM
Connected to HPR
Connected to HPL
Connected to HPL,HPR
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