Difference between revisions of "I2S Registers"
Jump to navigation
Jump to search
(Created page with "== Registers == {| class="wikitable" border="1" ! NAME ! PHYSICAL ADDRESS ! ARM11 PROCESS ADDRESS ! WIDTH |- | ? | 0x10141114 | 0x1EC41114 | 2 |- | ? | 0x10141116 | 0x1EC4111...") |
m (TuxSH moved page CODEC Registers to I2S Registers: CODEC is more than just sound output) |
||
| (5 intermediate revisions by 3 users not shown) | |||
| Line 1: | Line 1: | ||
| − | + | = Registers = | |
{| class="wikitable" border="1" | {| 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.