IO Map

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New ARM7 IO registers

NAME ADDRESS WIDTH DESCRIPTION
REG_IE 0x04000210 4 Interrupt Enable Register (with new interrupt sources)
REG_IF 0x04000214 4 Interrupt Flags Register (with new interrupt sources)
REG_IE2 0x04000218 4 New Interrupt Enable Register (with more new interrupt sources)
REG_IF2 0x0400021C 4 New Interrupt Flags Register (with more new interrupt sources)
SCFG_? 0x04004000 1 Unknown, used by BIOS
SCFG_? 0x04004001 1 Unknown, used by BIOS
MBK_? 0x04004060 1 Unknown, used by BIOS
MBK_? 0x04004061 1 Unknown, used by BIOS
MBK_? 0x04004062 1 Unknown, used by BIOS
REG_NDMA_MASTER_CNT 0x04004100 4 New DMA Control
NDMA channels registers 0x04004104 0x70 New DMA Channels 0..3
REG_AESCNT 0x04004400 4 Encryption/Decryption Hardware...
REG_AESBLKCNT 0x04004404 4
REG_AESWRFIFO 0x04004408 4
REG_AESRDFIFO 0x0400440C 4
REG_AESCTR 0x04004420 16
REG_AESMAC 0x04004430 16
REG_AESKEY0 0x04004440 48
REG_AESKEY1 0x04004470 48
REG_AESKEY2 0x040044A0 48
REG_AESKEY3 0x040044D0 48
REG_I2CDATA 0x04004500 1 I2C Bus Data
REG_I2CCNT 0x04004501 1 I2C Bus Control
REG_SNDEXCNT 0x04004700 2 New Sound Control

New ARM9 IO registers

NAME ADDRESS WIDTH DESCRIPTION
REG_IE 0x04000210 4 Interrupt Enable Register (with new interrupt sources)
REG_IF 0x04000214 4 Interrupt Flags Register (with new interrupt sources)
SCFG_A9ROM 0x04004000 2 ROM Status (R)
SCFG_CLK 0x04004004 2 New Block Clock Control (R/W)
SCFG_RST 0x04004006 2 New Block Reset (R/W)
SCFG_EXT 0x04004008 4 Extended Features (R/W)
SCFG_MC 0x04004010 2 Memory Card Interface Status?
MBKx 0x04004040 0x24 New Shared WRAM Control (New WRAM mappable to ARM7/ARM9/DSP)
REG_NDMA_MASTER_CNT 0x04004100 4 New DMA Control
NDMA channels registers 0x04004104 0x70 New DMA Channels 0..3
REG_CAMRST 0x04004200 2 Camera Reset
REG_CAMCNT 0x04004202 2 Camera Control
REG_CAMDATA 0x04004204 4 Camera Data
REG_CAM_? 0x04004210 4 Camera ?
REG_CAM_? 0x04004214 4 Camera ?
DSP_xxx 0x04004300 0x3X XpertTeak DSP coprocessor (CEVA Inc.)
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