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DA7400 Datasheet(PDF) 39 Page - Dialog Semiconductor

Part # DA7400
Description  High Performance Stereo Codec Final
PDF  135 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7400 Datasheet(HTML) 39 Page - Dialog Semiconductor

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DA7400
High Performance Stereo Codec
Final
Datasheet
Revision 3.0
03-Jul-2020
CFR0011-120-00
39 of 135
© 2020 Dialog Semiconductor
9.3
Block Diagram
MICL
MICR
HPL
HPR
DMI C_A0
DMI C_A1
PCM_DATA_OUT [2]
PCM_DATA_IN [1]
PCM_DATA_O UT [1]
PCM_DATA_OUT [3:6]
PCM_DATA_IN [3:6]
PCM_DATA_IN [2]
Ip0
Ip1
Ip2
Ip3
Ip4
Ip5
Ip6
Ip7
Ip8
Ip9
Op0
Op1
Op2
Op3
Op4 to 7
DMI C_B0
DMI C_B1
Figure 16: APU Signal Path Diagram
9.4
Block Architecture
The APU block contains the following sub-blocks:
■ DSP, see Section 9.5
■ SRAM, see Section 9.6
The APU contains two banks of SRAM program memory, PROG-0 and PROG-1, to support
seamless switching between DSP programs. The active memory bank is selected using the system
sequencer, see Section 7. The system sequencer automatically ramps up and down the audio paths
to ensure switching between DSP programs is done in a pop-and-click free manner.
The DSP sub-block operates at the incoming DAI sample rate, or at 192 kHz to minimize latency if
required.



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