參數(shù)資料
型號(hào): PCM1851
英文描述: 24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA
中文描述: 24位,96千赫立體聲A / D轉(zhuǎn)換器6 × 2通道的MUX和PGA
文件頁(yè)數(shù): 26/30頁(yè)
文件大?。?/td> 370K
代理商: PCM1851
PCM1850
PCM1851
SLES108
MARCH 2004
www.ti.com
26
MODE CONTROL REGISTERS
User-Programmable Mode Control Functions
The PCM1850/1851 has several user-programmable functions which are accessed via control registers. The registers are
programmed using the serial control port which is discussed in the
SPI Serial Control Port for Mode Control (PCM1850)
and
I
2
C Serial Control Port for Mode Control (PCM1851)
sections of this data sheet. Table 6 lists the available mode control
functions, along with their reset default conditions and associated register index.
Register Map
The mode control register map is shown in Table 7. Each register includes an index (or address) indicated by the IDX[6:0]
bits B[14:8].
Table 6. User-Programmable Mode Control Functions
FUNCTION
RESET DEFAULT
REGISTER
BIT(S)
Mode register reset
Normal operation
31
MRST
PGA gain control
–11 dB
31
PG[5:0]
Multiplexer input channel control
Channel 1
32
CH[2:0]
HPF bypass control
HPF enable
33
BYP
System reset
Normal operation
33
SRST
Audio interface mode control
Slave
I
2
S
33
MD[1:0]
Audio interface format control
33
FMT[2:0]
Table 7. Mode Control Register Map
HEX
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 31
0
0
1
1
0
0
0
1
RSV
MRST
PG5
PG4
PG3
PG2
PG1
PG0
Register 32
0
0
1
1
0
0
1
0
RSV
RSV
RSV
RSV
RSV
CH2
CH1
CH0
Register 33
NOTE
:
RSV bit must be always written as 0. No values can be written in address 30h.
0
0
1
1
0
0
1
1
BYP
SRST
RSV
MD1
MD0
FMT2
FMT1
FMT0
相關(guān)PDF資料
PDF描述
PCM1851PJT 24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA
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