Interrupts: Difference between revisions

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Line 26: Line 26:
!  DESCRIPTION
!  DESCRIPTION
|-
|-
|  0-5
|  0
?
|  GPIO18[0]
|-
|  1
|  GPIO18[1]
|-
|  2
|  GPIO18[2]
|-
|  4
|  GPIO33[0]
|-
5
GPIO33[1]
|-
|-
|  6
|  6
|  Powerbutton interrupt
|  Powerbutton interrupt (GPIO33[2])
|-
|-
|  7
|  7
?
GPIO33[3]
|-
|-
|  8
|  8
MMC IRQ
SD card 1
|-
|-
|  9-11
|  9
?
|  SDIO card 1 async
|-
|  10
|  SD card 2
|-
11
SDIO card 2 async
|-
|-
|  12
|  12
Line 49: Line 67:
|  14
|  14
|  Microphone Extended interrupt
|  Microphone Extended interrupt
|-
|  15-31
|  ?
|}
|}



Revision as of 23:35, 4 December 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 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