Display data RAM
STE2002
Figure 16. Memory rows vs. row drivers mapping with MY=0, MUX 81, scroll pointer = +3, icon
mode=1
ROW DRIVER
ICON MODE=1
PHYSICAL MEMORY ROW
0123
R0
ROW 0
R1
ROW 1
R2
ROW 2
R3
ROW 3
124 125 126 127
R 76
R 77
R 78
R 79
R 80
ICON
ROW 79
ROW 80
Y-CARRIAGE
ICON ROW
Figure 17. Memory rows vs. row drivers mapping with MY=0, MUX 81, scroll
pointer=+3, icon mode=0
ROW DRIVER
ICON MODE=0
R0
R1
R2
R3
PHYSICAL MEMORY ROW
0123
ROW 0
ROW 1
ROW 2
ROW 3
124 125 126 127
R 76
R 77
R 78
R 79
R 80
ICON
ROW 79
RROOWW18601
Y-CARRIAGE
ICON ROW
Figure 18. Memory rows vs. row drivers mapping with MUX 65 Y-CARRIAGE<=8
scroll pointer=0, icon mode=1
ROW DRIVER
PHYSICAL MEMORY ROW
N.C.
R0
R 30
R 31
R 40
R 71
R 72
0123
ROW 0
ROW 1
ROW 31
ROW 32
ROW 63
ROW 64
N.C.
R 79
R 80
ICON
ROW 96
124 125 126 127
Y-CARRIAGE
ICON ROW
16/61