Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

Product codes
AT91SAM9G25-EK
Page of 1165
1002
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
44.5
Image Sensor Interface (ISI) User Interface 
Note:
Several parts of the ISI controller use the pixel clock provided by the image sensor (ISI_PCK). Thus the user must 
first program the image sensor to provide this clock (ISI_PCK) before programming the Image Sensor Controller.
Table 44-9. Register Mapping
Offset
Register
Name
Access
 Reset Value
 
0x00
ISI Configuration 1 Register
ISI_CFG1
Read-write
0x00000000
0x04
ISI Configuration 2 Register
ISI_CFG2
Read-write
0x00000000
0x08
ISI Preview Size Register
ISI_PSIZE
Read-write
0x00000000
0x0C
ISI Preview Decimation Factor Register
ISI_PDECF
Read-write
0x00000010
0x10
ISI CSC YCrCb To RGB Set 0 Register
ISI_Y2R_SET0
Read-write
0x6832cc95
0x14
ISI CSC YCrCb To RGB Set 1 Register
ISI_Y2R_SET1
Read-write
0x00007102
0x18
ISI CSC RGB To YCrCb Set 0 Register
ISI_R2Y_SET0
Read-write
0x01324145
0x1C
ISI CSC RGB To YCrCb Set 1 Register
ISI_R2Y_SET1
Read-write
0x01245e38
0x20
ISI CSC RGB To YCrCb Set 2 Register
ISI_R2Y_SET2
Read-write
0x01384a4b
0x24
ISI Control Register
ISI_CR
Write-only
0x00000000
0x28
ISI Status Register
ISI_SR
Read-only
0x00000000
0x2C
ISI Interrupt Enable Register
ISI_IER
Write-only
0x00000000
0x30
ISI Interrupt Disable Register
ISI_IDR
Write-only
0x00000000
0x34
ISI Interrupt Mask Register
ISI_IMR
Read-only
0x00000000
0x38
DMA Channel Enable Register
ISI_DMA_CHER
Write-only
0x00000000
0x3C
DMA Channel Disable Register
ISI_DMA_CHDR
Write-only
0x00000000
0x40
DMA Channel Status Register
ISI_DMA_CHSR
Read-only
0x00000000
0x44
DMA Preview Base Address Register
ISI_DMA_P_ADDR
Read-write
0x00000000
0x48
DMA Preview Control Register
ISI_DMA_P_CTRL
Read-write
0x00000000
0x4C
DMA Preview Descriptor Address Register
ISI_DMA_P_DSCR
Read-write
0x00000000
0x50
DMA Codec Base Address Register
ISI_DMA_C_ADDR
Read-write
0x00000000
0x54
DMA Codec Control Register
ISI_DMA_C_CTRL
Read-write
0x00000000
0x58
DMA Codec Descriptor Address Register
ISI_DMA_C_DSCR
Read-write
0x00000000
0x5C-0xE0
Reserved
0xE4
Write Protection Control Register
ISI_WPCR
Read-write
0x00000000
0xE8
Write Protection Status Register
ISI_WPSR
Read-only
0x00000000
0xEC-0xF8
Reserved
0xFC
Reserved