参数资料
型号: AT73C209-EK
厂商: Atmel
文件页数: 19/63页
文件大小: 0K
描述: BOARD EVAL FOR AT73C209
标准包装: 1
系列: PMAAC™
主要目的: 电源管理,专用型: 手机
已用 IC / 零件: AT73C209
已供物品: 板,CD,文档
AT73C209
8.5.9 DAC Mixer Control Register
Register Name:
Access Type:
Address:
DAC_MC
Read/Write
0x08
7
RSRV1
6
RSRV2
5
INVR
4
INVL
3
RMSMIN2
2
RSMIN1
1
LMSMIN2
0
LMSMIN1
Register (0x08): Mixer Control
Bit
0
1
2
3
4
5
7:6
Name
LMSMIN1
LMSMIN2
RMSMIN1
RMSMIN2
INVL
INVR
RSRV<1:2>
Description
Left Channel Mono/Stereo Mixer Left Mixed input enable (H to enable, L to disable)
Left Channel Mono/Stereo Mixer Right Mixed input enable (H to enable, L to disable)
Right Channel Mono/Stereo Mixer Left Mixed input enable (H to enable, L to disable)
Right Channel Mono/Stereo Mixer Right Mixed input enable (H to enable, L to disable)
Left channel mixer output invert (H to enable, L to disable)
Right channel mixer output invert (H to enable, L to disable)
Reserved Bits
Reset Value
LMSMIN1 = 1
LMSMIN2 = 0
RMSMIN1 = 0
RMSMIN2 = 1
INVL = 0
INVR = 0
00
? Digital Mixer Control
The Audio DAC features a digital mixer that allows the mixing and selection of multiple input sources.
The mixing/multiplexing functions are described in the figure below:
Left channel
To DACs
Volume
Control
Volume
Control
1
2
1
2
Right channel
Volume
Control
Volume
Control
From digital
filters
Note:
Whenever the two mixer inputs are selected, a -6 dB gain is applied to the output signal. Whenever only one input is selected,
no gain is applied.
19
6365A–PMAAC–12-Mar-08
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