Z90102 Datasheet, PDF (31/36 Pages) Zilog, Inc. – 40-Pin Low-Cost Digital Television Controller

Zilog
Z90102/90103/90104
40-Pin Low-Cost Digital Television Controller
BAR CNTRL
FC06H
D7 D6 D5 D4 D3 D2 D1 D0
Row Address
Reserved (Must be 0)
Red Bar Color
Green Bar Color
Blue Bar Color
Bar Color Enable
Figure 51. OSD Bar Control Register
(Write Only)
BAR POS
FC07H
D7 D6 D5 D4 D3 D2 D1 D0
Bar Column Position
Reserved (Must be 0)
Figure 52. OSD Bar Position Register
(Write Only)
R241 TMR
F1H
D7 D6 D5 D4 D3 D2 D1 D0
FD00H,FD20H,FD40H,
ROW_ ATTR FD60H,FD80H,FDA0H
D7 D6 D5 D4 D3 D2 D1 D0
1
Row Background Color
Red
Green
Blue
Row Background On-Off
0 Off
1 On
Character Color
Red
Green
Blue
Reserved (Must be 0)
Figure 54. ROW_ATTR Register
(Write Only)
R242 T1
F2H
D7 D6 D5 D4 D3 D2 D1 D0
T1 Initial Value
(When Written)
(Range: 1-256 Decimal
01-00 Hex)
T1 Current Value
(When Read)
0 - No Function
1 - Load T0
0 -Disable T0 Count
1 -Enable T0 Count
0 - No Function
1 - Load T1
0 - Disable T1 Count
1 - Enable T1 Count
TIN Modes
00 External Clock Input
01 Gate Input
10 Trigger Input
(Non-retriggerable)
11 Trigger Input
(Retriggerable)
TOUT Modes
00 Not Used
01 T0 Out
10 T1 Out
11 Internal Clock Out
Figure 53. Timer Mode Register
(F1H: Read/Write)
Figure 55. Counter Timer 1 Register
(F1H: Read/Write)
R243 PRE1
F3H
D7 D6 D5 D4 D3 D2 D1 D0
* Default After Reset
Count Mode
0 T1 Single Pass*
1 T1 Modulo N
Clock Source
1 T1 Internal
0 T1 External Timing Input*
(TIN) Mode
Prescaler Modulo
(Range: 1-64 Decimal
01-00 Hex)
Figure 56. Prescaler 1 Register
(F3H: Write Only)
DS97TEL1902
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