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