Z90102 Datasheet, PDF (30/36 Pages) Zilog, Inc. – 40-Pin Low-Cost Digital Television Controller

Z90102/90103/90104
40-Pin Low-Cost Digital Television Controller
Z8 REGISTER DIAGRAMS
Zilog
OSDC CNTRL
FC00H
D7 D6 D5 D4 D3 D2 D1 D0
Retrace Blanking
High Resolution
Must be 1
X4HL
Pixel Size
00 x 1
01 x 2
10 x 3
11 x 4
Sync Polarity
0 Positive
1 Negative
Reserved (Must be 0)
Figure 45. OSD Control Register
(Write Only)
VERT POS
FC01H
D7 D6 D5 D4 D3 D2 D1 D0
Vertical Position Control
x 4 Horizontal Lines
Reserved (Must be 0)
Figure 46. OSD Vertical Position Register
(Write Only)
HOR POS
FC02H
D7 D6 D5 D4 D3 D2 D1 D0
Horizontal Position Control
x 4 DOT Clocks
Reserved (Must be 0)
Figure 47. OSD Horizontal Position Register
(Write Only)
DISP ATTR
FC03H
D7 D6 D5 D4 D3 D2 D1 D0
Blue Background
Green Background
Red Background
RGB Polarity
0 - Positive
1 - Negative
Reserved (Must be 0)
Fringe On-Off
0 - Off
1 - On
Background On-Off
0 - Off
1 - On
Display On-Off
0 - Off
1 - On
Figure 48. OSD Display Attribute Register
(Write Only)
ROW SPACE
FC04H
D7 D6 D5 D4 D3 D2 D1 D0
Inter Row Space
Reserved (Must be 0)
Fade Direction
0 - Fade After
1 - Fade Before
Fade On-Off
0 - Off
1 - On
Figure 49. OSD Row Space Register
(Write Only)
FADE POS
FC05H
D7 D6 D5 D4 D3 D2 D1 D0
Vertical Index
Reserved (Must be 0)
Figure 50. OSD Fade Position Register
(Write Only)
30
DS97TEL1902