AK8813 Datasheet, PDF (40/51 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHIKASEI
[AK8813/14]
Sub Carrier Frequency Control Register (R/W) [Address 0x06]
Sub Address 0x06
bit 7
Bit 6
SUBF7
SUBF6
0
0
bit 5
SUBF5
0
bit 4
bit 3
SUBF4
SUBF3
Default Value
0
0
bit 2
SUBF2
0
default Value 0x00
bit 1
bit 0
SUBF1
SUBF0
0
0
Sub Carrier Frequency Control Register Definition
Register
BIT
Name
R/W
bit 0
SUBF0
Sub Carrier
~
~
Frequency Control
R/W
bit 7
SUBF7
bit
Definition
Adjustment of frequency between
+127 and –128 step of 0.8Hz
Sub Carrier Phase Control Register (R/W) [Address 0x07]
Sub Address 0x07
bit 7
Bit 6
SUBP7
SUBP6
0
0
bit 5
SUBP5
0
bit 4
bit 3
SUBP4
SUBP3
Default Value
0
0
bit 2
SUBP2
0
default Value 0x00
bit 1
bit 0
SUBP1
SUBP0
0
0
Sub Carrier Phase Control Register Definition
BIT
Register
R/W
Name
bit 0
SUBP0
Sub Carrier
~
~
Phase Control
R/W
bit 7
SUBP7
bit
Definition
Adjustment of frequency between
+127 and –128 step of 0.8Hz
• Sub- carrier phase is adjustable by (360° /256) step.
WSS Data 1 Register (R/W) [Address 0x08]
WSS Data 2 Register (R/W) [Address 0x09]
Sub Address 0x08
bit 7
bit 6
G2-7
G2-6
0
0
bit 5
G2-5
0
bit 4
bit 3
G2-4
G1-3
Default Value
0
0
Sub Address 0x09
bit 7
bit 6
Reserved
Reserved
0
0
bit 5
G4-13
0
bit 4
bit 3
G4-12
G4-11
Default Value
0
0
bit 2
G1-2
0
bit 2
G3-10
0
default Value 0x00
bit 1
bit 0
G1-1
G1-0
0
0
default Value 0x00
bit 1
bit 0
G3-9
G3-8
0
0
• AK8813/14 generates the necessary sub-carrier frequency from a system clock by DFS
(Digital Frequency Synthesizer)
• Frequency of default is adjustable by specifying this bit. This bit adjusts the default
frequency.
Rev.00
- 41 -
2004/Oct