Datasheet

961
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
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 – – –