参数资料
| 型号： | CDB4245 |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 8/59页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR CS4245 CODEC |
| 标准包装： | 1 |
| 主要目的： | 音频编解码器 |
| 嵌入式： | 是，FPGA / CPLD |
| 已用 IC / 零件： | CS4245 |
| 主要属性： | 4 个单端模拟和 1 个麦克风输入和 8 个输出，S/PDIF 发射器和接收器 |
| 次要属性： | 图形用户界面 |
| 已供物品： | 板 |
| 产品目录页面： | 754 (CN2011-ZH PDF) |
| 相关产品： | CS4245-DQZR-ND - IC CODEC AUD STER 104DB 48-LQFP 598-1616-ND - IC CODEC AUD STER 104DB 48LQFP 598-1034-ND - IC CODEC AUD STER 104DB 48LQFP |
| 其它名称： | 598-1501 |
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CS4245
AGND
VA
AFILTA
AFILTB
VQ1
VQ2
FILT1+
FILT2+
AIN4A/MICIN1
AIN4B/MICIN2
AIN5A
AIN5B
MICBIAS
AIN6A
AIN6B
AUXOUTA
AUXOUTB
VA
13
14
15
16
17
18
19
20
21, 22
23, 24
25
26, 27
28, 29
30
Analog Ground ( Input ) - Ground reference for the internal analog section.
Analog Power (Input) - Positive power for the internal analog section.
Antialias Filter Connection ( Output ) - Antialias filter connection for the channel A ADC input.
Antialias Filter Connection ( Output ) - Antialias filter connection for the channel B ADC input.
Quiescent Voltage 1 ( Output ) - Filter connection for the internal quiescent reference voltage.
Quiescent Voltage 2 ( Output ) - Filter connection for the internal quiescent reference voltage.
Positive Voltage Reference 1 ( Output ) - Positive reference voltage for the internal sampling circuits.
Positive Voltage Reference 2 ( Output ) - Positive reference voltage for the internal sampling circuits.
Stereo Analog Input 4 / Microphone Input 1 & 2 ( Input ) - The full-scale level is specified in the ADC
Analog Characteristics specification table.
Stereo Analog Input 5 ( Input ) - The full-scale level is specified in the ADC Analog Characteristics
specification table.
Microphone Bias Supply ( Output ) - Low-noise bias supply for external microphone. Electrical charac-
teristics are specified in the DC Electrical Characteristics specification table.
Stereo Analog Input 6 ( Input ) - The full-scale level is specified in the ADC Analog Characteristics
specification table.
Auxiliary Analog Audio Output ( Output ) - Analog output from either the DAC, the PGA block, or high
Analog Power (Input) - Positive power for the internal analog section.
AGND
31, 32 Analog Ground ( Input ) - Ground reference for the internal analog section.
AOUTA
AOUTB
MUTEC
VLS
SDIN
SCLK2
LRCK2
MCLK2
SDOUT
SCLK1
LRCK1
MCLK1
DGND
VD
INT
OVFL
8
33, 34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
DAC Analog Audio Output ( Output ) - The full-scale output level is specified in the DAC Analog Char-
acteristics specification table.
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.
Serial Audio Interface Power ( Input ) - Determines the required signal level for the serial audio inter-
face. Refer to the Recommended Operating Conditions for appropriate voltages.
Serial Audio Data Input ( Input ) - Input for two’s complement serial audio data.
Serial Port 2 Serial Bit Clock (Input/Output ) - Serial bit clock for serial audio interface 2.
Serial Port 2 Left Right Clock (Input/Output ) - Determines which channel, Left or Right, is currently
active on the serial audio input data line.
Master Clock 2 ( Input ) - Optional asynchronous clock source for the DAC’s delta-sigma modulators.
Serial Audio Data Output ( Output ) - Output for two’s complement serial audio data.
Serial Port 1 Serial Bit Clock (Input/Output ) - Serial bit clock for serial audio interface 1.
Serial Port 1 Left Right Clock (Input/Output ) - Determines which channel, Left or Right, is currently
active on the serial audio output data line.
Master Clock 1 ( Input ) - Clock source for the ADC’s delta-sigma modulators. By default, this signal
also clocks the DAC’s delta-sigma modulators.
Digital Ground ( Input ) - Ground reference for the internal digital section.
Digital Power ( Input ) - Positive power for the internal digital section.
Interrupt ( Output ) - Indicates an interrupt condition has occurred.
ADC Overflow ( Output ) - Indicates an ADC overflow condition is present.
DS656F3
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