>>799
詳しめの情報
LCD Dimensions and Timings

Horizontal Dimensions

The drawing time for each dot is 4 CPU cycles.

Visible 240 dots, 57.221 us, 960 cycles - 78% of h-time
H-Blanking 68 dots, 16.212 us, 272 cycles - 22% of h-time
Total 308 dots, 73.433 us, 1232 cycles - ca. 13.620 kHz

VRAM and Palette RAM may be accessed during H-Blanking. OAM can accessed only
if "H-Blank Interval Free" bit in DISPCNT register is set.

Vertical Dimensions

Visible (*) 160 lines, 11.749 ms, 197120 cycles - 70% of v-time
V-Blanking 68 lines, 4.994 ms, 83776 cycles - 30% of v-time
Total 228 lines, 16.743 ms, 280896 cycles - ca. 59.737 Hz

All VRAM, OAM, and Palette RAM may be accessed during V-Blanking.