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CHAPTER 18 OSDC
■ Command 17-1 (OSDC Operation Control 2)
❍ Address: 05E
❍ Format
15
14
13
12
0
0
0
ANO:
Analog output control
(0: Output OFF, 1: Output ON)
FHO:
FH output control
(0: Output OFF, 1: Output ON)
OSDEN:
OSDC enable
(0: OSDC operation OFF, 1: OSDC operation ON)
FHS1, FHS0: FH output selection control
(00: FH1 [PLLA-FH], 01: FH2 [PLLB-FH], 10: FH3 [PLLC-FH], 11: Setting prohibited)
❍ [Function]
Command 17-1 controls the operation of the OSDC.
❍ [Supplement]
•
When analog output control or digital output control is set to ON, the VOB1 and VOB2 signals,
which are common to the analog and digital systems, are output.
•
To turn off the output of the VOB1 and VOB2 signals, analog output control and digital output
control must both be set to OFF.
•
The OSDC enable bit and CC operation bit must be set to 1 if and only if the external clock is
normally input or the internal PLL clock is normally generated.
•
When issuing the display control command of CC screen, it is necessary to set the CCEN bit
(CC operation ENABLE) to 1. (When CCEN bit is 0, the display control command of CC
screen is not accepted.)
600
H
11
10
9
0
0
0
FHS1
FHS0
8
7
6
5
0
0
CCEN OSDEN
DGO:
Digital output control
(0: Output OFF, 1: Output ON)
CCEN: CC operation ENABLE
(0: CC operation OFF, 1: CC operation ON)
4
3
2
1
0
FHO DGO ANO
0
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