User's Manual

Table Of Contents
LCD CONTROLLER S3C2450X RISC MICROPROCESSOR
22-38
8.1.9 Window 1 Control Register
Register Address R/W Description Reset Value
WINCON1 0x4C800018 R/W Window control 1 register 0x0000_0000
WINCON1 Bit Description Initial State
BITSWP [18]
Bit swap control
0 = Swap Disable 1 = Swap Enable
0
BYTSWP [17]
Byte swaps control
0 = Swap Disable 1 = Swap Enable
0
HAWSWP [16]
Half-Word swap control
0 = Swap Disable 1 = Swap Enable
0
[15:11] Reserved 0
BURSTLEN [10:9] DMA’s Burst Length selection :
00 = 16 word– burst 01 = 8 word– burst
10 = 4 word– burst 11 = Reserved
0
Reserved [8:7] Reserved 0
BLD_PIX [6] Select blending category
0 = Per plane blending 1 = Per pixel blending
0
BPPMODE_F [5:2]
Select the BPP (Bits Per Pixel) mode Window image.
0000 = 1bpp ( palletized )
0001 = 2bpp ( palletized )
0010 = 4bpp ( palletized )
0011 = 8bpp ( palletized )
0100 = 8bpp ( non-palletized, A: 1-R:2-G:3-B:2 )
0101 = 16bpp ( non-palletized, R:5-G:6-B:5 )
0110 = 16bpp ( non-palletized, A:1-R:5-G:5-B:5 )
0111 = 16bpp ( non-palletized, I :1-R:5-G:5-B:5 )
1000 = Unpacked 18bpp ( non-palletized, R:6-G:6-B:6 )
1001 = Unpacked 18bpp ( non-palletized, A:1-R:6-G:6-B:5 )
1010 = Unpacked 19bpp ( non-palletized, A:1-R:6-G:6-B:6 )
1011 = Unpacked 24bpp ( non-palletized, R:8-G:8-B:8 )
1100 = Unpacked 24bpp ( non-palletized, A:1-R:8-G:8-B:7 )
1101 = Unpacked 25bpp ( non-palletized, A:1-R:8-G:8-B:8 ) or
Unpacked 28bpp ( non-palletized, A:4-R:8-G:8-B:8 )
111x = Reserved
Note: 1101 = support 28bpp (non-palletized A:4-R:8-G:8-B:8 ) for per pixel
blending.
0
ALPHA_SEL [1]
Alpha value selection
Per plane blending case( BLD_PIX ==0)
0 = using ALPHA0_R/G/B values
1 = using ALPHA1_R/G/B values
0