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PA5331 bảng dữ liệu(PDF) 18 Page - Protek Devices

tên linh kiện PA5331
Giải thích chi tiết về linh kiện  Low Power 24-Bit, Stereo Audio CODEC With Headphone Amplifier
PDF  27 Pages
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nhà sản xuất  PROTEC [Protek Devices]
Trang chủ  http://www.protekdevices.com
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PA5331 bảng dữ liệu(HTML) 18 Page - Protek Devices

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ANALOG PRODUCTS DIVISION
561 E. Elliot Road #175 Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 632-1715
www.protekanalog.com
PA5331
Low Power 24-Bit, Stereo Audio CODEC
With Headphone Amplifier
95250 Rev.0. 01/10
NOT FOR USE IN LIFE SUPPORT SYSTEMS
Register 21
– ADC Control 13, Default 0000 0110
Register 22
– ADC Control 14, Default 0000 0000
Bit Name
Bit
Description
NGTH
7:3
Noise gate threshold
00000
– -76.5 dBFS
00001
– -75 dBFS
……
11110
– -31.5 dBFS
11111
– -30 dBFS
NGG
2:1
Noise gate type
x0
– PGA gain held constant
01
– mute ADC output
11
– reserved
NGAT
0
Noise gate function enable
0
– disable
1
– enable
DAC CONTROL
Register 23
– DAC Control 1, Default 0000 0000
Bit Name
Bit
Description
DACLRSWAP
7
0
– normal
1
– left and right channel data swap
DACLRP
6
I2S, left justified or right justified mode:
0
– left and right normal polarity
1
– left and right inverted polarity
DSP/PCM mode:
0
– MSB is available on 2nd BCLK rising edge after ALRCK rising edge
1
– MSB is available on 1st BCLK rising edge after ALRCK rising edgeLRCK Polarity
DACWL
5:3
000
– 24-bit serial audio data word length
001
– 20-bit serial audio data word length
010
– 18-bit serial audio data word length
011
– 16-bit serial audio data word length
100
– 32-bit serial audio data word length
DACFORMAT
2:1
00
– I2S serial audio data format
01
– left justify serial audio data format
10
– right justify serial audio data format
11
– DSP/PCM mode serial audio data format
0
Register 24
– DAC Control 2, Default 0000 0110
Bit Name
Bit
Description
DACFsMode
5
0
– single speed mode (default)
Bit Name
Bit
Description
ALCMODE
7
Determines the ALC mode of operation:
0
– ALC mode (Normal Operation)
1
– Limiter mode.
ALCZC
6
ALC uses zero cross detection circuit.
0
– disable (recommended)
1
– enable
TIME_OUT
5
Zero Cross time out
0
– disable (default)
1
– enable
WIN_SIZE
4:0
Windows size for peak detector
，set the window size to N*16 samples
00110
– 96 samples (default)
00111
– 102 samples
…..
11111
– 496 samples



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