MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 67
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MAX9853
Manufacturer Part Number
MAX9853
Description
(MAX9851 / MAX9853) Stereo Audio CODECs
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX9853.pdf
(71 pages)
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To record audio samples, only the ADC and micro-
phone interface are required. Table 45 lists an example
of this configuration and Table 46 lists the correspond-
ing register settings in the proper programming
sequence.
Table 46. I
Stereo Audio CODECs with Microphone, DirectDrive
0x00
0x01
0x02
0x03
0x04
Program 0x05 last for proper soft-start
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
REGISTER (hex)
Headphones, Speaker Amplifiers, or Line Outputs
2
C Register Settings for Stereo Audio Record Mode
______________________________________________________________________________________
—
—
0x00
0x00
0x00
0x80
0x00
0x00
0x00
0x21
0x00
0x00
0x00
0x00
0x00
0x00
0x00
VALUE (hex)
Stereo Audio Record
Read-only status register
Read-only status register
No interrupt enables are set
No configuration necessary
No configuration necessary
Configure for master mode
Configure for a 13MHz MCLK
No configuration necessary
No configuration necessary
Route the left and right microphone signals to the ADC
No configuration necessary
No configuration necessary
No configuration necessary
No configuration necessary
No configuration necessary
Configure the left microphone input for +20dB of gain, adjust as
appropriate
Configure the left microphone input for +20dB of gain, adjust as
appropriate
Table 45. Example Stereo Audio Record
Configuration
•
•
•
•
•
13MHz MCLK
48kHz sample rate for recorded data
Output data routed through the secondary digital audio
ADC enabled for stereo record
Aud i o i np ut on exter nal m i cr op hone i np ut usi ng i nter nal b i as
interface operating in master mode
DESCRIPTION
67