参数资料
型号: PCM1737E
英文描述: 24-Bit, 192kHz Sampling Enhanced Multi-Level, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
中文描述: 24位192kHz采样增强的多级,Δ-Σ,音频数字模拟转换器
文件页数: 11/27页
文件大小: 180K
代理商: PCM1737E
19
PCM1737
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER 20
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
X4DS
FLT1
FLT0
CLKD
CLKE
FMT2
FMT1
FMT0
R/W
Read/Write Mode Select
When R/W = 0, a Write operation is performed.
When R/W = 1, a Read operation is performed.
Default Value: 0
FMT[2:0]
Audio Interface Data Format
These bits are Read/Write.
Default Value: 000B
The FMT[2:0] bits are used to select the data format for the serial audio interface. The table below shows the
available format options.
FMT[2:0]
Audio Data Format Selection
000
24-Bit Standard Format, Right-Justified Data (default)
001
20-Bit Standard Format, Right -Justified Data
010
18-Bit Standard Format, Right-Justified Data
011
16-Bit Standard Format, Right-Justified Data
100
I2S Format, 16 to 24 Bits
101
Right-Justified Format, 16 to 24 Bits
110
Reserved
111
Reserved
CLKE
CLKO Output Enable
This bit is Read/Write.
Default Value: 0
CLKE = 0
CLKO Enabled (default)
CLKE = 1
CLKO Disabled
The CLKE bit is used to enable or disable the system clock output pin, CLKO. When CLKO is enabled, it will
output either a full or half rate clock, based upon the setting of the CLKD bit. When CLKO is disabled, it is
set to a high impedance state.
CLKD
CLKO Frequency Selection
This bit is Read/Write.
Default Value: 0
CKLD = 0
Full Rate, fCLKO = fSCLK (default)
CKLD = 1
Half Rate, fCLKO = fSCLK/2
The CLKD bit is used to select the clock frequency for the CLKO pin.
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