CHAPTER 23:Stereo Audio DAC
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
879
1.
Overview
This section provides a general description of the Stereo Audio DAC
Also refer to the chapter of "Sound System configuration" how to configure the Stereo Audio DAC.
The Stereo Audio DAC is a dual-channel, audio digital-to-analog converter (DAC) that employs a
delta-sigma modulator, with a sampling rate of 8-48 kHz, and an oversampling rate of 64-512. The Stereo
Audio DAC consists of a digital input interface and an analog DAC, and features a software power-down
function for lower power consumption.
The audio data format of the digital interface is a 32 bit word - the upper (lower) 16 bits are used as the
data for the left (right) 24 bit channel of the DAC in a left justified manner.
2.
Configuration and Block Diagram
This section contains the functional block diagram of the Stereo Audio DAC.
Figure 2-1 Block Diagram
BSADACV
I_BSADACVDW
(BSADACVDW)
I_UMSDDA132F1
(UMSDDA132F1)
I_BAHBDACIF
(BAHBDACIF)
CLKPI
RSTI
CLKDACI
RST_X
CLK
RSTX
CLKDA0
HCLK
HRESET_N
CLKPI
RSTI
CLKDAC
I
AHB IF
DMA IF
CPU IF
R-BUS IF
DAC IF
Analog output
D/A TEST IF
TEST MODE IF
STATEO[1:0]
STATEI[1:0]
Dual port
FIFO
32bit * 24
DACRDAEO
DACRDAEI
DACRINIO
DACRINII
BUSYO
BUSYI
Содержание S6J3200 Series
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