Interrupts
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ARM7 has some new interrupts.
ARM7 IO REGISTERS
| ADDRESS | WIDTH (bytes) | NAME |
|---|---|---|
| 0x04000218 | 4 | REG_IE2 |
| 0x0400021C | 4 | REG_IF2 |
| BIT | DESCRIPTION |
|---|---|
| 0-5 | ? |
| 6 | Powerbutton interrupt |
| 7 | ? |
| 8 | SD card insert interrupt |
| 9-12 | ? |
| 13 | I2C interrupt |
| 14-31 | ? |