AOM-DB3500 AUDIO MIC1/OUT1
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Revision as of 09:47, 18 November 2025 by Xingxing.li (talk | contribs) (→AUDIO MIC1/OUT1（Compatible with ROM-EG57）)
AOM-3821 supports three kinds of sound cards:
“1 rt5640-codec”(9696EG57001)
“2 hdmi”,
“3 dp0”.
AUDIO MIC1/OUT1（Compatible with ROM-EG57）
HW Pin Header
| I2S0 Connector Pin Definition | |||
| Pin | Signal | I/O | Description |
| 1 | I2S0_VDDA | I2S0 3.3V source | |
| 2 | GND | Ground | |
| 3 | I2S0_VDDA | I2S0 3.3V source | |
| 4 | I2S0_SDIN_3.3 | I | I2S0 Serial Data IN 3.3V Level |
| 5 | I2S0_SDOUT_3.3 | O | I2S0 Serial Data OUT 3.3V Level |
| 6 | I2S0_LRCK_3.3 | I | I2S0 Left/Right Clock |
| 7 | I2S0_BCLK_3.3 | I | I2S0 Bit Clock |
| 8 | AUD0_MCK | I | Audio0 Master Clock |
| 9 | N/A | Not Applicable | |
| 10 | GND | Ground | |
| 11 | I2S0_I2C_CLK | I | I2S0 I2C clock input from host. |
| 12 | MIC_BIAS1 | I | For I2S0 Microphone Bias Voltage |
| 13 | I2S0_I2C_DAT | I/O | I2S0 I2C Data |
| 14 | GND | Ground | |
| 15 | N/A | Not Applicable | |
| 16 | I2S1_HP_R | I | I2S0 Right Headphone |
| 17 | I2S0_MIC_IN | I | I2S0 Microphone IN |
| 18 | GND | Ground | |
| 19 | GND | Ground | |
| 20 | I2S1_HP_L | I | I2S0 Left Headphone |
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