Datasheet

Figure 37-6. Three Frame Buffers Application and Memory Mapping
frame n frame n+1 frame n+2frame n-1 frame n+3 frame n+4
Frame Buffer 0
Frame Buffer 1
Frame Buffer 3
4:2:2 Image
Full ROI
ISI config space
Codec Request
Codec Done
LCD
Memory Space
37.5.5 Codec Path
37.5.5.1 Color Space Conversion
Depending on user selection, this module can be bypassed so that input YCrCb stream is directly connected to the
format converter module. If the RGB input stream is selected, this module converts RGB to YCrCb color space with
the formulas given below:





 =

0

1

2

3


4

5

6

7

8
 ×



 +

off
Cr
off
Cb
off

An example of coefficients is given below:
SAM E70/S70/V70/V71 Family
Image Sensor Interface (ISI)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 537