See 4.4 Channel B Volume Control - Address 04h 6.4 CHANNEL B VOLUME CONTROL - ADD" />
參數(shù)資料
型號(hào): CDB4392
廠商: Cirrus Logic Inc
文件頁(yè)數(shù): 15/40頁(yè)
文件大?。?/td> 0K
描述: EVALUATION BOARD FOR CS4392
標(biāo)準(zhǔn)包裝: 1
DAC 的數(shù)量: 2
位數(shù): 24
采樣率(每秒): 192k
數(shù)據(jù)接口: 串行
DAC 型: 電壓
工作溫度: -10°C ~ 70°C
已供物品:
已用 IC / 零件: CS4392
相關(guān)產(chǎn)品: 598-1065-5-ND - IC DAC 24BIT 192KHZ W/VC 20TSSOP
CS4392
22
DS459PP3
6.3
Channel A Volume Control - Address 03h
6.4
CHANNEL B VOLUME CONTROL - ADDRESS 04H
6.4.1
Mute (Bit 7)
Function:
The Digital-to-Analog converter output will mute when enabled. The common mode voltage on the
output will be retained. The muting function is effected, similiar to attenuation changes, by the Soft
and Zero Cross bits in the Volume and Mixing Control register. The MUTEC pin for that channel will
go active during the mute period if the Mute function is enabled. Both the AMUTEC and BMUTEC
will go active if either MUTE register is enabled and the MUTEC A = B bit (register 5) is enabled.
6.4.2
Volume Control (Bits 6:0)
Function:
The digital volume control allows the user to attenuate the signal in 1 dB increments from 0 to -127 dB.
Volume settings are decoded as shown in Table 14. The volume changes are implemented as dictated
by the Soft and Zero Cross bits in the Volume and Mixing Control register (see section 6.2.2).
6.5
Mode Control 2 - Address 05h
6.5.1
Invert Signal Polarity (Bits 7:6)
Function:
When set to 1, this bit inverts the signal polarity for the appropriate channel. This is useful if a board
layout error has occurred, or an other situations where a 180 degree phase shift is desirable. Default
is 0.
7
654
32
10
MUTE
VOL6
VOL5
VOL4
VOL3
VOL2
VOL1
VOL0
Binary Code
Decimal Value
Volume Setting
0000000
0
0 dB
0010100
20
-20 dB
0101000
40
-40 dB
0111100
60
-60 dB
1011010
90
-90 dB
Table 14. Digital Volume Control Example Settings
7
654
32
10
INVERT_A
INVERT_B
CPEN
PDN
MUTEC A = B
FREEZE
MCLKDIV2
Reserved
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