4 image sensor interface (isi) user interface – Rainbow Electronics AT91CAP9S250A User Manual

Page 921

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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

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