Difference between revisions of "I2S Registers"
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| style="background: green" | Yes | | style="background: green" | Yes | ||
| − | | [[# | + | | [[#I2S1_CNT|I2S1_CNT]] |
| 0x10145000 | | 0x10145000 | ||
| 2 | | 2 | ||
| − | | | + | | Codec sysmodule, AgbBg, TwlBg |
|- | |- | ||
| style="background: green" | Yes | | style="background: green" | Yes | ||
| − | | [[# | + | | [[#I2S2_CNT|I2S2_CNT]] |
| 0x10145002 | | 0x10145002 | ||
| 2 | | 2 | ||
| − | | | + | | Codec sysmodule, AgbBg, TwlBg |
|} | |} | ||
| − | == | + | ==I2S1_CNT== |
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
! Bit | ! Bit | ||
| Line 41: | Line 41: | ||
| Enable (0=Disabled, 1=Enabled) | | 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. | This is usually set to 0xC800 or 0xC820 when the DSP is active. | ||
| − | == | + | ==I2S2_CNT== |
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
! Bit | ! Bit | ||
| Line 56: | Line 58: | ||
| Enable (0=Disabled, 1=Enabled) | | Enable (0=Disabled, 1=Enabled) | ||
|} | |} | ||
| + | |||
| + | This I2S line is used by CSND. | ||
Usually set to 0xE000. | Usually set to 0xE000. | ||
Revision as of 23:43, 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.