Difference between revisions of "Interrupts"

From DSiBrew
Jump to navigation Jump to search
Line 36: Line 36:
 
|-
 
|-
 
|  8
 
|  8
SD card insert interrupt
+
MMC IRQ
 
|-
 
|-
 
|  9-11
 
|  9-11

Revision as of 09:49, 24 November 2010

ARM7 has some new interrupts.

ARM7 IO REGISTERS

ADDRESS WIDTH (bytes) NAME
0x04000218 4 REG_IE2
0x0400021C 4 REG_IF2



REG_IE2 / REG_IF2
BIT DESCRIPTION
0-5 ?
6 Powerbutton interrupt
7 ?
8 MMC IRQ
9-11 ?
12 AES interrupt
13 I2C interrupt
14 Microphone Extended interrupt
15-31 ?


REG_IE / REG_IF
BIT DESCRIPTION
0-27 same as DS
28 NDMA0 interrupt
29 NDMA1 interrupt
30 NDMA2 interrupt
31 NDMA3 interrupt