Difference between revisions of "I2S Registers"
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m (TuxSH moved page CODEC Registers to I2S Registers: CODEC is more than just sound output) |
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Revision as of 23:44, 19 January 2021
Registers
| Old3DS | Name | Address | Width | Used by |
|---|---|---|---|---|
| Yes | I2S1_CNT | 0x10145000 | 2 | Codec sysmodule, AgbBg, TwlBg |
| Yes | I2S2_CNT | 0x10145002 | 2 | Codec sysmodule, AgbBg, TwlBg |
I2S1_CNT
| Bit | Description |
|---|---|
| 0-5 | DSP volume (doesn't affect csnd) |
| 6-11 | Another volume? |
| 12 | ? |
| 13-14 | ? |
| 15 | Enable (0=Disabled, 1=Enabled) |
This I2S line is used the DSP and microphone.
This is usually set to 0xC800 or 0xC820 when the DSP is active.
I2S2_CNT
| Bit | Description |
|---|---|
| 13-14 | ? |
| 15 | Enable (0=Disabled, 1=Enabled) |
This I2S line is used by CSND.
Usually set to 0xE000.