Difference between revisions of "Interrupts"

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(add cameras IRQ.)
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|  31
 
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|  NDMA3 interrupt
 
|  NDMA3 interrupt
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=== ARM9 Interrupts ===
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{| class="wikitable" border="1"
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|+ '''REG_IE / REG_IF'''
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|-
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!  BIT
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!  DESCRIPTION
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|-
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| 25
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| Cameras IRQ
 
|}
 
|}

Revision as of 23:13, 7 August 2011

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 GPIO18[0]
1 GPIO18[1]
2 GPIO18[2]
4 GPIO33[0]
5 GPIO33[1]
6 Powerbutton interrupt (GPIO33[2])
7 GPIO33[3]
8 SD card 1
9 SDIO card 1 async
10 SD card 2
11 SDIO card 2 async
12 AES interrupt
13 I2C interrupt
14 Microphone Extended interrupt


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


ARM9 Interrupts

REG_IE / REG_IF
BIT DESCRIPTION
25 Cameras IRQ