SH7205 Datasheet, PDF (1421/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 26 2D Graphics Engine (2DG)
26.4.1 Input and Output Operations
(1) Data Bit Map for the Pixel Format
Data in the αRGB444 (16 bits), αRGB555 (16 bits), and α (4 bits) pixel formats are applied to the
inputs and output of the 2DG. The formats are shown below.
• αRGB444
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
α value
R value
G value
B value
0000000000000000
• αRGB555
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
α
value
R value
G value
B value
0000000000000000
• α (4 bits)
Bit 15 14 13 12 11 10 9 8 7 6 5 4
α0 value
0000
α1 value
0000
α2 value
0000
Note: Transfer the α data from memory in 4 blocks unit.
Transfer of the data from α2 or α3 block is prohibited.
321 0
α3 value
0000
Rev. 1.00 Mar. 25, 2008 Page 1389 of 1868
REJ09B0372-0100