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参数资料
| 型号： | MC13783VKR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 32/50页 |
| 文件大小： | 0K |
| 描述： | IC PWR MNGMNT ATLAS 3G 247MAPBGA |
| 标准包装： | 1,500 |
| 应用： | 手持/移动设备 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 247-TFBGA |
| 供应商设备封装： | 247-MAPBGA（10x10） |
| 包装： | 带卷 (TR) |
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Functional Description
4.3.5
4.3.5.1
Audio Output Section
Audio Signal Routing
Figure 9 on page 32 shows a block diagram of the audio output section is given indicating the routing
possibilities.
Selector
Codec
CDCOUT
CDCOUTEN
SPP
Asp
SPM
From Tx
Codec
ASPEN
VINLSP
Right
Voice Codec
CDCBYP
ASPSEL
ALSPSEL
ASPEN
LSPP
ALSPEN
Alsp
DAC
PGArx
Codec
ALSPEN
LSPM
PGARXEN
PGARX[3:0]
Left
LSPLEN
GNDLSP
LSPL
Stereo DAC
Mixer, Adder, Balance
Codec
Detect
HSR
AhsR
HSDET
Right
Right
Channel
DAC
Left
Channel
PGAst
PGAst
ADDCDCIN
ADDSTIN
ADDRXIN
Mono
Adder
Balance
Right
Left
AHSSEL
Codec
Left
AHSREN
AhsL
Phantom
Ground
Detect
HSPGF
HSPGS
HSL
DAC
AHSLEN
HSLDET
To Tx
PGASTEN
PGAST[3:0]
MONO[1:0]
BALLR
BAL[2:0]
Codec
RXINR
Arxin
PGArxin
ArxoutR
RXOUTR
Right
ARXOUTSEL
ARXOUTREN
RXINL
Arxin
PGArxin
Codec
Left
ArxoutL
RXOUTL
ARXINEN
ARXIN
ARXINEN
PGARXIN[3:0]
To USB
ARXOUTLEN
Figure 9. Audio Output Section Diagram
Four signal sources can be used in the receive path. The voice CODEC receive signal, the voice CODEC
transmit signal (for test purposes), the stereo DAC and an external stereo source like an FM radio. The
latter can also be routed to the voice CODEC ADC section for recording purposes. Each of the input source
signals is amplified via an independently programmable gain amplifier. The amplified signals are fed into
a mixer where the different signals can be mixed. The mixed signal goes through a mono adder and balance
circuit which can create a mono signal out of the stereo input signals, and allows for balance control. Via
the selector, the composite signal is then directed to one or more of the outputs. These are the regular phone
earpiece (Asp), the loudspeaker for hands free or ringing (Alsp), the stereo headset (Ahsr, Ahsl) and the
stereo line out. The voice CODEC output signal can also follow an independent route to all of the
amplifiers via the additional selector inputs. In addition to the amplifiers, low power outputs are available
at LSPL and CDCOUT.
MC13783 Technical Data, Rev. 3.5
32
Freescale Semiconductor
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