Renesas SH7781 - Manual (Page 971)

19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 941 of 1658
REJ09B0261-0100
Endian conversion in each of the units indicated below is shown in figure 19.4.
B0 B1 B2 B3 B4 B5 B6 B7
A
63 0
B8 B9 B10 B11 B12 B13 B14 B15 A + 8
Data
B7 B6 B5 B4 B3 B2 B1 B0
63 0
B15 B14 B12 B11 B10 B9 B8
127 64
W0 W1 W2 W3
63 0
W4 W5 W6 W7
63 0
127
W3 W2 W1 W0
W7 W6 W5 W4
B13
Address
SHwy bus (big endian)
Display data in the display unit (DU)
A
A + 8
Data Address
SHwy bus (big endian)
Display data in the display unit (DU)
Endian Conversion in Byte Units:
PnDDF = 0 0: 8 bits/pixel
PnDDF = 1 1: YC
Endian Conversion in Word Units:
PnDDF = 0 1: 16 bits/pixel
PnDDF = 1 0: ARGB
Figure 19.4 Endian Conversion