Manual

921
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
45.4 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 45-9. ISI Memory Mapping
Offset Register Name Register Access Reset Value
0x00 ISI Control 1 Register ISI_CR1 Read/Write 0x00000002
0x04 ISI Control 2 Register ISI_CR2 Read/Write 0x00000000
0x08 ISI Status Register ISI_SR Read 0x00000000
0x0C ISI Interrupt Enable Register ISI_IER Read/Write 0x00000000
0x10 ISI Interrupt Disable Register ISI_IDR Read/Write 0x00000000
0x14 ISI Interrupt Mask Register ISI_IMR Read/Write 0x00000000
0x18 Reserved - - -
0x1C Reserved - - -
0x20 ISI Preview Size Register ISI_PSIZE Read/Write 0x00000000
0x24 ISI Preview Decimation Factor Register ISI_PDECF Read/Write 0x00000010
0x28 ISI Preview Primary FBD Register ISI_PPFBD Read/Write 0x00000000
0x2C ISI Codec DMA Base Address Register ISI_CDBA Read/Write 0x00000000
0x30 ISI CSC YCrCb To RGB Set 0 Register ISI_Y2R_SET0 Read/Write 0x6832cc95
0x34 ISI CSC YCrCb To RGB Set 1 Register ISI_Y2R_SET1 Read/Write 0x00007102
0x38 ISI CSC RGB To YCrCb Set 0 Register ISI_R2Y_SET0 Read/Write 0x01324145
0x3C ISI CSC RGB To YCrCb Set 1 Register ISI_R2Y_SET1 Read/Write 0x01245e38
0x40 ISI CSC RGB To YCrCb Set 2 Register ISI_R2Y_SET2 Read/Write 0x01384a4b
0x44-0xF8 Reserved – – –
0xFC Reserved – – –