Difference between revisions of "Matrix - NanoHat PCM5102A"
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[[Matrix - NanoHat PCM5102A/zh|查看中文]] | [[Matrix - NanoHat PCM5102A/zh|查看中文]] | ||
− | == | + | ==Introduction== |
[[File:Matrix - NanoHat PCM5102A.jpg|thumb|NanoHat PCM5102A]] | [[File:Matrix - NanoHat PCM5102A.jpg|thumb|NanoHat PCM5102A]] | ||
− | *Matrix - NanoHat | + | * The Matrix - NanoHat PCM5102A module uses TI's DAC audio chip PCM5102A and NS' low-noise, ultra-low dropout LP2992 regulator. PCM5102A's sample rates up to 384kHz and its resolution is 32-bit. |
− | *模块信噪比112db,失真-93db,可直接输出2.1V RMS音频电压。模块软斜升或斜降搭配模拟静音,可实现120dB 静音信噪比(SNR)。 | + | * The SNR is 120dB. |
− | * | + | 模块信噪比112db,失真-93db,可直接输出2.1V RMS音频电压。模块软斜升或斜降搭配模拟静音,可实现120dB 静音信噪比(SNR)。 |
+ | * Its onboard VS1838B infrared receiver allows it to be remote-controlled. | ||
*NanoHat PCM5102A和NanoPi NEO/Air的外形尺寸和接口完全相同,可直接堆叠在NanoPi NEO或Air上。 | *NanoHat PCM5102A和NanoPi NEO/Air的外形尺寸和接口完全相同,可直接堆叠在NanoPi NEO或Air上。 | ||
Revision as of 07:35, 20 January 2017
Contents
1 Introduction
- The Matrix - NanoHat PCM5102A module uses TI's DAC audio chip PCM5102A and NS' low-noise, ultra-low dropout LP2992 regulator. PCM5102A's sample rates up to 384kHz and its resolution is 32-bit.
- The SNR is 120dB.
模块信噪比112db,失真-93db,可直接输出2.1V RMS音频电压。模块软斜升或斜降搭配模拟静音,可实现120dB 静音信噪比(SNR)。
- Its onboard VS1838B infrared receiver allows it to be remote-controlled.
- NanoHat PCM5102A和NanoPi NEO/Air的外形尺寸和接口完全相同,可直接堆叠在NanoPi NEO或Air上。
2 特性
- 超低带外噪声
- 可接收 16、 24 和 32 位音频数据
- PCM 数据样式: I2S, 左对齐
- 采样率为384kHz,分辨率为32-Bit
- 板载红外接收。
- 引脚说明:
NanoPi NEO/Air 24 Pin接口在此不列举,请在NanoPi NEO/Air维基页面查阅。
NanoPi NEO
NanoPi NEO Air
12Pin引脚功能定义如下:
引脚 | 名称 | 描述 |
1 | VDD_5V | 5V Power In |
2 | NC | Not Connected |
3 | NC | Not Connected |
4 | NC | Not Connected |
5 | NC | Not Connected |
6 | IR Receiver | IR Receiver |
7 | NC | Not Connected |
8 | LRCK | I2S/PCM Sample Rate Clock/Sync |
9 | BCK | I2S/PCM Sample Rate Clock |
10 | DIN | I2S/PCM Serial Data Input |
11 | NC | Not Connected |
12 | GND | GND |
3 硬件连接
NanoHat PCM5102A可直接叠加在NanoPi NEO/Air上。参考下图连接模块:
4 使用方法
按照上述硬件连接方法把模块堆叠在NanoPi NEO/Air上,并连接电源和音响。 使用以下命令播放TF卡里的音乐文件:
5 相关资料
- [Schematic](Schematic - NanoHat Proto.pdf)
- [Datasheet](PCM5102A)