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參數(shù)資料
| 型號(hào)： | P95020ZNQG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132 |
| 封裝： | QFN-132 |
| 文件頁(yè)數(shù)： | 81/137頁(yè) |
| 文件大?。?/td> | 3533K |
| 代理商： | P95020ZNQG |
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P95020 / Preliminary Datasheet
Revision 0.7.10
48
2010 Integrated Device Technology, Inc.
2.15.22 AUDIO - Source Control for Output Converters Registers
There are 4 output converters available: I2SOUT1, I2SOUT2, DAC0 and DAC1. Each may select one of the 4 available
digital data sources: I2SIN1, I2SIN2, ADC0 or ADC1. The output converters assume the characteristics of the selected
source. There is no rate translation. If IS port 1 is routed to IS port 2 then the rates of both ports must be the same. If
the rates are not the same, then the output from the sink port will be forced to 0 and will retain the rate programmed for
that port. If data widths are not the same, the data will be truncated or zero-padded as necessary. If an ADC is chosen
as the source for an IS output then the IS output characteristics will be used to set the ADC rate and data width. If an
ADC is connected to both I2SOUT1 and I2SOUT2, the characteristics of I2SOUT1 will be used. If a DAC is connected to
an ADC and the ADC is not connected to an IS port, the ADC and DAC will default to 48 kHz/24-bit.
I2S1_SOURCE: IC Address = Page-1: 194(0xC2), C Address = 0xA1C2
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[1:0]
I2S1_SOURCE_SE
L
00b
RW
00b = I2SIN1
01b = I2SIN2
10b = ADC0
11b = ADC1
I2S1 source select
[7:2]
RESERVED
000000b
RW
RESERVED
I2S2_SOURCE: IC Address = Page-1: 195(0xC3), C Address = 0xA1C3
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[1:0]
I2S2_SOURCE_SE
L
00b
RW
00b = I2SIN1
01b = I2SIN2
10b = ADC0
11b = ADC1
I2S2 source select
[7:2]
RESERVED
000000b
RW
RESERVED
DAC0_SOURCE: IC Address = Page-1: 196(0xC4), C Address = 0xA1C4
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[1:0]
DAC0_SOURCE_S
EL
00b
RW
00b = I2SIN1
01b = I2SIN2
10b = ADC0
11b = ADC1
DAC0 source select
[7:2]
RESERVED
000000b
RW
RESERVED
DAC1_SOURCE: IC Address = Page-1: 197(0xC5), C Address = 0xA1C5
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[1:0]
DAC1_SOURCE_S
EL
00b
RW
00b = I2SIN1
01b = I2SIN2
10b = ADC0
11b = ADC1
I2S0 source select
[7:2]
RESERVED
000000b
RW
RESERVED
2.15.23 AUDIO
– Class D BTL Amplifier Source Control Register
There are 4 audio sources available for the BTL amplifier. The left and right sources may be selected independently. The
DAC and mixer outputs are a nominal -6 dBV and are amplified at the output port to achieve the desired output level.
CLASSD_SOURCE: IC Address = Page-1: 198(0xC6), C Address = 0xA1C6
Bit
Bit Name
Def.
Set.
User
Type
Value
Description / Comments
[1:0]
RIGHT_SEL
00b
RW
00b = Mixer
01b = DAC0
10b = DAC1
11b = LINE IN
Class-D right source select
[3:2]
LEFT_SEL
00b
RW
00b = Mixer
01b = DAC0
10b = DAC1
11b = LINE IN
Class-D left source select
[5:4]
RESERVED
00b
RW
RESERVED
6
RIGHT_MUTE
0b
RW
0 = Normal
1 = Mute
ADC2-right(for class-D) mute
7
LEFT_MUTE
0b
RW
0 = Normal
1 = Mute
ADC2-left (for class-D) mute
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