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CS43131 датащи(PDF) 115 Page - Cirrus Logic

номер детали CS43131
подробное описание детали  130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver and Impedance Detection
PDF  156 Pages
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производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43131 датащи(HTML) 115 Page - Cirrus Logic

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DS1155F1
115
CS43131
7.1 Global Registers
1
XSP_3ST
Determines the state of the XSP clock drivers when in Master Mode. When in Slave Mode, the serial port clocks are
inputs, whose function is not affected by this bit. Before setting an xSP_3ST bit, the associated serial port must be
powered down and not powered up until the xSP_3ST bit is cleared.
0 When in Master Mode, serial port clocks are active.
1 (Default) When in Master Mode, serial port clocks are Hi-Z.
0
ASP_3ST
Determines the state of the ASP clock drivers when in Master Mode. When in Slave Mode, the serial port clock pins are
inputs, whose function is not affected by this bit. Before setting an xSP_3ST bit, the associated serial port must be
powered down and not powered up until the xSP_3ST bit is cleared.
0 When in Master Mode, serial port clocks are active.
1 (Default) When in Master Mode, serial port clocks are Hi-Z.
7.1.10 Power Down Control
Address 0x20000
R/W
76543210
PDN_XSP
PDN_ASP
PDN_DSDIF
PDN_HP
PDN_XTAL
PDN_PLL
PDN_CLKOUT
—
Default
11111110
Bits
Name
Description
7
PDN_XSP
XSP input path power control. Configures XSP SDIN path power state.
0 Powered up.
1 (Default) Powered down.
6
PDN_ASP
ASP input path power control. Configures ASP SDIN path power state.
0 Powered up.
1 (Default) Powered down.
5
PDN_DSDIF DSD interface power control. Sets the power state of the DSD interface block.
0 Powered up.
1 (Default) Powered down.
4
PDN_HP
Power down HPOUTx.
0 Powered up. The HP driver and DACx are powered up.
1 (Default) Powered down. The HP driver and DACx are powered down. When this bit is set, the audio outputs are
soft ramped to mute.
3
PDN_XTAL
Power down crystal oscillator.
0 Powered up. The XTAL driver is powered up to start generating MCLK.
1 (Default) Powered down. The XTAL driver is powered down.
2
PDN_PLL
PLL output power control. Sets the power state of the PLL block.
0 Powered up.
1 (Default) Powered down. PLL block is powered down.
1PDN_
CLKOUT
CLKOUT output power control. Sets the power state of the CLOCKOUT output.
0 Powered up
1 (Default) Powered down. CLKOUT are driven low.
0—
Reserved
7.1.11 Crystal Setting
Address 0x20052
R/W
76543210
—
XTAL_IBIAS
Default
00000100
Bits
Name
Description
7:3
—
Reserved
2:0
XTAL_IBIAS Crystal bias current strength.
010 15.0 µA
100 (Default) 12.5 µA
110 7.5 µA
Others Reserved
Bits
Name
Description



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