Samsung S3C6400X User Manual page 563

IMAGE ROTATOR
REGISTER DESCRIPTION
MEMORY MAP
Register
CTRLCFG
SRCADDRREG0
SRCADDRREG1
SRCADDRREG2
SRCSIZEREG
DESTADDRREG0
DESTADDRREG1
DESTADDRREG2
STATCFG
ROTATOR CONTROL REGISTER
Register
CTRLCFG 0x7720_0000
CTRLREG Bit
Reserved [31:25]
Enable Int. [24]
Reserved [23:16]
Input Image
[15:13]
format
Reserved [12:8]
Rotation Degree [7:6]
Flip Direction [5:4]
Reserved [3:1]
Start rotate [0]
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
19-4
Specifications and information herein are subject to change without notice.
Address R/W
0x7720_0000 R/W
0x7720_0004 R/W
0x7720_0008 R/W
0x7720_000C R/W
0x7720_0010 R/W
0x7720_0018 R/W
0x7720_001C R/W
0x7720_0020 R/W
0x7720_002C R
Address R/W
R/W
Reserved
Interrupt Enable
0: Disable interrupt
Reserved
Input image format to be rotated
000: YCbCr 4:2:0(non-interleave)
010: Reserved 011: YCbCr 4:2:2(interleave)
100: RGB 565
Reserved
Determine the rotation degree
00: Don't rotate
10: 180 degree
Note: These bits should be zero, if flip direction isn't zero.
Determine the flip direction
00: Don't flip
10: Flip vertical
Note: These bits should be zero, if rotation degree isn't zero.
Reserved
Rotate enable signal, when this bit is set, Rotator starts the
operation. This bit is cleared when rotator starts to move image.
0: Don't work
Description
Rotator Control Register
Rotator Source Image (RGB or Y component)
Address Register
Rotator Source Image (CB component)
Address Register
Rotator Source Image (CR component)
Address Register
Rotator Source Image Size Register
Rotator Destination Image (RGB or Y
component) Address Register
Rotator Destination Image (CB component)
Address Register
Rotator Destination Image (CR component)
Address Register
Rotator Status Register
Description
Rotator Control Register
Description
1: Enable interrupt
001: Reserved
101: RGB888 (unpacked)
01: 90 degree
11: 270 degree1
11: Flip horizontal
1: Start rotate operation
S3C6400 RISC MICROPROCESSOR
Reset Value
0x000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
Reset Value
0x000_0000
Initial State
000b
0x00
000b
0_0000b
000b
0b
00b
00b
0b