- 您现在的位置：买卖IC网 > PDF目录16426 > EVAL-ADAU1446EBZ (Analog Devices Inc)BOARD EVAL FOR ADAU1446 PDF资料下载
参数资料
| 型号： | EVAL-ADAU1446EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 52/92页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADAU1446 |
| 标准包装： | 1 |
| 系列： | SigmaDSP® |
| 主要目的： | 音频，音频处理 |
| 嵌入式： | 是，DSP |
| 已用 IC / 零件： | ADAU1446 |
| 主要属性： | 单芯片多通道 28/56 位音频 DSP |
| 次要属性： | I²C & SPI 接口 |
| 已供物品： | 板，软件 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页当前第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页
ADAU1445/ADAU1446
Rev. A | Page 56 of 92
ASYNCHRONOUS SAMPLE RATE CONVERTERS
The integrated sample rate converters of the ADAU1445/
ADAU1446 processors can be configured in various ways to
facilitate asynchronous connectivity to other components in the
audio system. The sample rate converters operate completely
independent of the serial ports and DSP core, connecting via
the flexible audio routing matrix.
ASRC MODES AND SETTINGS
Table 34. Addresses of ASRC Modes Registers
Address
Name
Read/Write
Word Length
Decimal
Hex
57601
E101
Stereo ASRC[3:0] lock
status and mute
16 bits (2 bytes)
57603
E103
Stereo ASRC[3:0] mute
ramp disable
16 bits (2 bytes)
57665
E141
Stereo ASRC[7:4] lock
status and mute
16 bits (2 bytes)
57667
E143
Stereo ASRC[7:4] mute
ramp disable
16 bits (2 bytes)
Stereo ASRC[3:0] Lock Status and Mute Register
(Address 0xE101)
Table 35. Bit Descriptions of Register 0xE101
Bit
Position
Description
Default
[15:12]
Reserved
[11]
Stereo ASRC 3 (Channel 6, Channel 7)
lock status (read only)
0
[10]
Stereo ASRC 2 (Channel 4, Channel 5)
lock status (read only)
0
[9]
Stereo ASRC 1 (Channel 2, Channel 3)
lock status (read only)
0
[8]
Stereo ASRC 0 (Channel 0, Channel 1)
lock status (read only)
0
[7:4]
Reserved
[3]
Stereo ASRC 3 (Channel 6, Channel 7) mute
0
[2]
Stereo ASRC 2 (Channel 4, Channel 5) mute
0
[1]
Stereo ASRC 1 (Channel 2, Channel 3) mute
0
[0]
Stereo ASRC 0 (Channel 0, Channel 1) mute
0
Every sample rate converter pair for Stereo ASRC[3:0]) can be
muted. This function is controlled by a single 12-bit register.
The mute bits (Bits[3:0]) are active high; therefore, a value of 1
mutes the corresponding ASRC, and a value of 0 unmutes the
corresponding ASRC.
If the ASRC cannot find the ratio between the input and output
clock, the lock status bits (Bits[11:8]) are each set to 0, and the
ASRC automatically mutes itself. An ASRC mute can also be
manually initiated by setting the corresponding bit (Bits[3:0]) to
1. The muting is done with a volume ramp and is click and pop
free. If desired, the mute ramp can be disabled for Stereo
ASRC[3:0] (see the Stereo ASRC[3:0] Mute Ramp Disable
Register (Address 0xE103) section).
In the case of the ADAU1446, setting these registers does not
affect system operation in any way.
Stereo ASRC[3:0] Mute Ramp Disable Register
(Address 0xE103)
Table 36. Bit Descriptions of Register 0xE103
Bit
Position
Description
Default
[15:1]
Reserved
[0]
Stereo ASRC[3:0] (Channels[7:0]) mute ramp
disable
0
0 = enable ramp
1 = disable ramp
This single-bit register controls the behavior of Stereo ASRC[3:0]
(Channels[7:0]) on a loss of lock. When Bit 0 is set to the default
(0), Stereo ASRC[3:0] (Channels[7:0]) mute with a volume
ramp. When Bit 0 is set to 1, Stereo ASRC[3:0] mute abruptly.
In addition, setting this bit to 1 ignores the ASRC mute bits
(Bits[3:0]) in Register 0xE101 (see the Stereo ASRC[3:0] Lock
Status and Mute section); therefore, a mute only occurs on a
loss of lock.
In the case of the ADAU1446, setting this register does not
affect system operation in any way.
Stereo ASRC[7:4] Lock Status and Mute Register
(Address 0xE141)
Table 37. Bit Descriptions of Register 0xE141
Bit
Position
Description
Default
[15:12]
Reserved
[11]
Stereo ASRC 7 (Channel 14, Channel 15)
lock status (read only)
0
[10]
Stereo ASRC 6 (Channel 12, Channel 13)
lock status (read only)
0
[9]
Stereo ASRC 5 (Channel 10, Channel 11)
lock status (read only)
0
[8]
Stereo ASRC 4 (Channel 8, Channel 9)
lock status (read only)
0
[7:4]
Reserved
[3]
Stereo ASRC 7 (Channel 14, Channel 15) mute
0
[2]
Stereo ASRC 6 (Channel 12, Channel 13) mute
0
[1]
Stereo ASRC 5 (Channel 10, Channel 11) mute
0
[0]
Stereo ASRC 4 (Channel 8, Channel 9) mute
0
Every sample rate converter pair for Stereo ASRC[7:4] can be
muted. This function is controlled by a single 12-bit register.
The mute bits (Bits[3:0]) are active high; therefore, a value of 1
mutes the corresponding ASRC, and a value of 0 unmutes the
corresponding ASRC.
If the ASRC cannot find the ratio between the input and output
clock, the lock status bits (Bits[11:8]) are each set to 0, and the
ASRC automatically mutes itself. An ASRC mute can also be
manually initiated by setting the corresponding bit (Bits[3:0]) to 1.
相关PDF资料 |
PDF描述 |
|---|---|
| GEA22DTMT | CONN EDGECARD 44POS R/A .125 SLD |
| EMC06DREH-S93 | CONN EDGECARD 12POS .100 EYELET |
| LK2125R27M-T | INDUCTOR MULTILAYER .27UH 0805 |
| VE-204-EX | CONVERTER MOD DC/DC 48V 75W |
| UMA1E330MDD | CAP ALUM 33UF 25V 20% RADIAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-ADAU1590EBZ | 制造商:Analog Devices 功能描述:EVAL BOARD - Bulk |
| EVAL-ADAU1592EBZ | 制造商:Analog Devices 功能描述:Evaluation Board For ADAU1592 制造商:Analog Devices 功能描述:EVAL BOARD - Boxed Product (Development Kits) |
| EVAL-ADAU1701EB | 制造商:Analog Devices 功能描述:EVAL BOARD FOR SIGMADSP AUDIO PROCESSOR - Bulk |
| EVAL-ADAU1701EBZ | 制造商:Analog Devices 功能描述:EVAL BOARD - Bulk |
| EVAL-ADAU1701MINIZ | 功能描述:BOARD EVAL SIGMADSP AUD ADAU1701 RoHS:是 类别:编程器，开发系统 >> 通用嵌入式开发板和套件（MCU、DSP、FPGA、CPLD等） 系列:SigmaDSP® 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板，软件，4x4 键盘，光学拨轮，QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA |
发布紧急采购，3分钟左右您将得到回复。