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W55VG081

W55V91
CPU 65C816
System Clock 27MHz
Memory Program ROM: 192K Byte Program ROM: 128K~1M Byte
Video ROM: 128K Byte Video ROM: 1M Byte
Program RAM: 2K Byte Program RAM: 3.8K Byte
Video Resolution: 360 x 256 pixels Resolution: 320 x 240 pixels
BAT (Background Attribute Table): 45 x 32 in
512 different characters		 BAT (Background Attribute Table): 40 x 30 in 512 different characters
SAT (Sprite Attribute Table): 60 sprites/Frame,
16 sprites/Line¡@ 		SAT (Sprite Attribute Table): 96 sprites/Frame, 12 sprites/Line¡@
Color: 64-color for SAT, 64-color for BAT Color: 256-color for SAT, 256-color for BAT
Audio 2-channel tone melody with 2-channel noise generator
I/O 8 x I/O; 8 X I 16 x I/O; 8 X I
 

W55VG580H (TV-encoder)
Monolithic CMOS process
Master clock rate 2X pixel rate 
Two composite outputs or Y/C video output (S video)
Power-down mode
CCIR601 or square pixel input data rates 
Master/slave sync signal switchable
Interlaced and non-interlaced operation 
Optional internal voltage reference