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PCM1774 датащи(PDF) 29 Page - Texas Instruments

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номер детали PCM1774
подробное описание детали  16-Bit, Low-Power Stereo Audio DAC With Analog Mixing, Line and Headphone Outputs
PDF  49 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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PCM1774 датащи(HTML) 29 Page - Texas Instruments

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PCM1774
SLAS551 – JULY 2007
Register 82
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 82
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
RSV
RSV
PAIR
PAIL
RSV
RSV
RSV
RSV
IDX[6:0]: 101 0010b (52h): Register 82
PAIR: Power Up/Down for PG2 and PG6 (Gain Amplifier for R-Channel Analog Input)
PAIL: Power Up/Down for PG1 and PG5 (Gain Amplifier for L-Channel Analog Input)
Default value: 0
These bits are used to control power up/down for PG2 and PG6 (gain amplifier for analog input).
PAIR, PAIL = 0
Power down (default)
PAIR, PAIL = 1
Power up
Registers 84–86
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 84
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
RSV
RSV
RSV
RSV
RSV
MSTR
RSV
BIT0
Register 85
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
SRST
LRPC
NPR5
NPR4
NPR3
NPR2
NPR1
NPR0
Register 86
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
MBST
MSR2
MSR1
MSR0
RSV
RSV
RSV
ZCRS
IDX[6:0]: 101 0100b (54h): Register 84
IDX[6:0]: 101 0101b (55h): Register 85
IDX[6:0]: 101 0110b (56h): Register 86
MSTR: Master or Slave Selection for Audio Interface
Default value: 0
This bit is used to select either master or slave mode for the audio interface. In master mode, the PCM1774
generates LRCK and BCK from the system clock. In slave mode, it receives LRCK and BCK from another
device.
MSTR = 0
Slave interface (default)
MSTR = 1
Master interface
BIT0: Bit Length Selection for Audio Interface
Default value: 1
This bit is used to select the data bit length for DAC input.
BIT0 = 0
Reserved
BIT0 = 1
16 bits (default)
SRST: System Reset
Default value: 0
This bit is used to enable system reset. All circuits are reset by setting SRST = 1. After completing the reset
sequence, SRST is set to 0 automatically.
SRST = 0
Reset disabled (default)
SRST = 1
Reset enabled
29
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