Difference between revisions of "I2S Registers"
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(Replaced content with "Empty") |
m (TuxSH moved page CODEC Registers to I2S Registers: CODEC is more than just sound output) |
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| − | + | = Registers = | |
| + | {| class="wikitable" border="1" | ||
| + | ! Old3DS | ||
| + | ! Name | ||
| + | ! Address | ||
| + | ! Width | ||
| + | ! Used by | ||
| + | |- | ||
| + | | style="background: green" | Yes | ||
| + | | [[#I2S1_CNT|I2S1_CNT]] | ||
| + | | 0x10145000 | ||
| + | | 2 | ||
| + | | Codec sysmodule, AgbBg, TwlBg | ||
| + | |- | ||
| + | | style="background: green" | Yes | ||
| + | | [[#I2S2_CNT|I2S2_CNT]] | ||
| + | | 0x10145002 | ||
| + | | 2 | ||
| + | | Codec sysmodule, AgbBg, TwlBg | ||
| + | |} | ||
| + | |||
| + | |||
| + | ==I2S1_CNT== | ||
| + | {| class="wikitable" border="1" | ||
| + | ! 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== | ||
| + | {| class="wikitable" border="1" | ||
| + | ! Bit | ||
| + | ! Description | ||
| + | |- | ||
| + | | 13-14 | ||
| + | | ? | ||
| + | |- | ||
| + | | 15 | ||
| + | | Enable (0=Disabled, 1=Enabled) | ||
| + | |} | ||
| + | |||
| + | This I2S line is used by CSND. | ||
| + | |||
| + | Usually set to 0xE000. | ||
Latest revision as of 00:44, 20 January 2021
Registers[edit]
| 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[edit]
| 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[edit]
| Bit | Description |
|---|---|
| 13-14 | ? |
| 15 | Enable (0=Disabled, 1=Enabled) |
This I2S line is used by CSND.
Usually set to 0xE000.