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参数资料
型号： TLV320AIC3111IRHBT
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： AUDIO AMPLIFIER, PQCC32
封装： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数： 151/156页
文件大小： 1701K
代理商： TLV320AIC3111IRHBT
TLV320AIC3111
SLAS644B – JULY 2009 – REVISED OCTOBER 2009
www.ti.com
Page 0 / Register 63: DAC Data-Path Setup
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: Left-channel DAC is powered down.
1: Left-channel DAC is powered up.
D6
R/W
0
0: Right-channel DAC is powered down.
1: Right-channel DAC is powered up.
D5–D4
R/W
01
00: Left-channel DAC data path = off
01: Left-channel DAC data path = left data
10: Left-channel DAC data path = right data
11: Left-channel DAC data path = left-channel and right-channel data ((L + R)/2)
D3–D2
R/W
01
00: Right-channel DAC data path = off
01: Right-channel DAC data path = right data
10: Right-channel DAC data path = left data
11: Right-channel DAC data path = left-channel and right-channel data ((L + R)/2)
D1–D0
R/W
00
00: DAC channel volume control soft-stepping is enabled for one step per sample period.
01: DAC channel volume control soft-stepping is enabled for one step per two sample periods.
10: DAC channel volume control soft-stepping is disabled.
11: Reserved. Do not write this sequence to these bits.
Page 0 / Register 64: DAC VOLUME CONTROL
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D4
R/W
0000
Reserved. Write only zeros to these bits.
D3
R/W
1
0: Left-channel DAC not muted
1: Left-channel DAC muted
D2
R/W
1
0: Right-channel DAC not muted
1: Right-channel DAC muted
D1–D0
R/W
00
00: Left and right channels have independent volume control.
01: Left-channel volume control Is the programmed value of right-channel volume control.
10: Right-channel volume control is the programmed value of left-channel volume control.
11: Same as 00
Page 0 / Register 65: DAC Left Volume Control
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R/W
0000 0000
127 to 49: Reserved. Do not write these sequences to these bits.
48: Left-channel DAC digital gain = 24 dB
47: Left-channel DAC digital gain = 23.5 dB
46: Left-channel DAC digital gain = 23 dB
...
36: Left-channel DAC digital gain = 18 dB
35: Left-channel DAC digital gain = 17.5 dB
34: Left-channel DAC digital gain = 17 dB
...
1: Left-channel DAC digital gain = 0.5 dB
0: Left-channel DAC digital gain = 0 dB
–1: Left-channel DAC digital gain = –0.5 dB
...
–126: Left-channel DAC digital gain = –63 dB
–127: Left-channel DAC digital gain = –63.5 dB
–128: Reserved
94
REGISTER MAP
Copyright 2009, Texas Instruments Incorporated
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