參數資料
型號: CDB4271
廠商: Cirrus Logic, Inc.
元件分類: Codec
英文描述: 24-Bit, 192 kHz Stereo Audio CODEC
中文描述: 24位192千赫立體聲音頻CODEC
文件頁數: 6/53頁
文件大?。?/td> 1199K
代理商: CDB4271
CS4271
6
DS592F1
Pin Name
#
Pin Description
XTO
XTI
1,2
Crystal Connections
(
Input/Output
) - I/O pins for an external crystal which may be used to generate
MCLK. See “Crystal Applications (XTI/XTO)” on page 24 or “Crystal Applications (XTI/XTO)” on page 27.
MCLK
3
Master Clock
(
Input/Output
) -Clock source for the delta-sigma modulators. See “Crystal Applications
(XTI/XTO)” on page 24 or “Crystal Applications (XTI/XTO)” on page 27.
LRCK
4
Left Right Clock
(Input/Output
) -
Determines which channel, Left or Right, is currently active on the
serial audio data line.
SCLK
5
Serial Clock
(Input/Output
) -
Serial clock for the serial audio interface.
SDOUT
6
Serial Audio Data Output
(
Output
)
-
Output for two’s complement serial audio data.
SDIN
7
Serial Audio Data Input
(
Input
) - Input for two’s complement serial audio data.
DGND
8
Digital Ground
(
Input
) - Ground reference for the internal digital section.
VD
9
Digital Power
(
Input
)
-
Positive power for the internal digital section.
VL
10
Logic Power
(
Input
) - Positive power for the digital input/output interface.
SCL/CCLK
11
Serial Control Port Clock
(
Input
) - Serial clock for the serial control port.
SDA/CDIN
12
Serial
Control Data
(
Input
/
Output
) - SDA is a data I/O in I2C mode. CDIN is the input data line for the
control port interface in SPI mode.
AD0/CS
13
Address Bit 0 (I2C) / Control Port Chip Select (SPI)
(Input)
- AD0 is a chip address pin in I2C mode; CS
is the chip select signal for SPI format.
RST
14
Reset
(
Input
) - The device enters a low power mode when this pin is driven low.
VQ1
15
Quiescent Voltage
(
Output
)
-
Filter connection for internal quiescent reference voltage.
VQ2
16
Quiescent Voltage
(
Input
)
-
Connection for internal quiescent reference voltage.
AINA
AINB
17,
18
Analog Input
(
Input
)
-
The full scale input level is specified in the ADC Analog Characteristics specifica-
tion table.
VQ3
19
Quiescent Voltage
(
Input
)
-
Connection for internal quiescent reference voltage.
VA
20
Analog Power
(Input)
-
Positive power for the internal analog section.
AGND
21
Analog Ground
(
Input
) - Ground reference for the internal analog section.
FILT+
22
Positive Voltage Reference
(
Output
)
-
Positive reference voltage for the internal sampling circuits.
AMUTEC
23
Channel A Mute Control
(Output)
-
This pin is active during power-up initialization, reset, muting, when
master clock to left/right clock frequency ratio is incorrect, or power-down.
AOUTA-
AOUTA+
AOUTB+
AOUTB-
24,
25,
26,
27
Differential Analog Audio Output
(
Output
) - The full scale differential output level is specified in the
DAC Analog Characteristics specification table.
BMUTEC
28
Channel B Mute Control
(Output)
-
This pin is active during power-up initialization, reset, muting, when
master clock to left/right clock frequency ratio is incorrect, or power-down.
相關PDF資料
PDF描述
CDB4272 24-Bit, 192 kHz Stereo Audio CODEC
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