M3A-HS64G01 Functions
3.4 Audio Modules
Rev. 1.00 Apr 30, 2009
3-16
REJ11J0034-0100
3
3.4 Audio Modules
The M3A-HS64G01 includes two 96 kHz, 24-bit D/A converters with DIT (AK4353, Asahi Kasei EMD Corporation), and one
24-bit stereo codec with IPGA (AK4524).
¾
AK4353, D/A Converter
SH7264 IIC3, SSIF, and I/O ports control AK4353.
•
SH7264 IIC3 (Channel 1): Accesses the AK4353 registers to initialize AK4353, format data, and configure the attenuator
•
SH7264 SSIF (Channels 2, and 1): Outputs the audio data
•
SH7264 I/O port (PG24): Powers down AK4353 at low
Powers up AK4353 at high
Note: M3A-HS64 allows for selecting 12.2880 MHz or 11.2896 MHz as the AK4353 system clock.
Figure 3.4.1 shows the D/A converter block diagram, and Table 3.4.1 lists the jumper setting (JP7).
Содержание M3A-HS64
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