20. Graphics Data Translation Accelerator (GDTA)
Rev.1.00 Jan. 10, 2008 Page 988 of 1658
REJ09B0261-0100
20.3.10 GA Buffer RAM 0 Data Alignment Register (DCP_CTL) DCP_CTL is in the GDTA common register block and specifies data alignment of the data stored in buffer RAM 0.
161718192021222324252627282931 30
0000000000000000
⎯⎯
⎯⎯
BIt:
Initial value:
R/W:
01234567891011121315 14
0000000000000000
DCP_DTUADCP_DTSA
DCP_
DTAM
⎯⎯
R/WR/WR/WR/WR/W⎯⎯
BIt:
Initial value:
R/W:
Bit Bit Name
Initial
Value R/W Description
31 to 5 All 0 Reserved
These bits are always read as 0. The write value should
always be 0.
4 DCP_DTAM 0 R/W Specifies data alignment conversion mode
0: Data alignment is performed using an endian signal
1: Data alignment is performed using the DCP_CTL
register setting
3, 2 DCP_DTSA 0 R/W Specifies the data size for data alignment conversion.
00: No conversion
01: 64 bits
10: 32 bits
11: 16 bits
1, 0 DCP_DTUA 0 R/W Specifies the unit for data alignment conversion.
00: No conversion
01: 8 bits
10: 16 bits
11: 32 bits
Note: For details of data alignment conversion patterns, refer to section 20.6, Data Alignment.