Motorola MC68HC05T16 Technical Data Manual page 81

Char
R, G, B, or I
Background
R, G, B, or I
R, G, B, or I
HTONE
Figure 9-5 Output Signal Timing Diagram - With Background
Row (i+1)
Row i
Row (j+1)
Row j
MC68HC05T16
Timing signals for 5th line (line 4)
FBKG
FBKGCi=0, BGEN=1, RiBE=0
background dot
Figure 9-6 Resolution of Overlap among Rows
ON-SCREEN DISPLAY
FBKGCi=1, BGEN=1, RiBE=1, SHDW=1
character dot
(a)
(b)
shadow dot
Row (i+1)
partially overlaps
row i
Row (j+1) and
row j completely
overlaps, therefore
only row j is visible
TPG
MOTOROLA
9-11
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