[AK4223]
■ Video Output Level Setting
VGAIN11-10 bits control the video output level of the VOUT1 pin, and VGAIN21-20 bits control the video output level
of the VOUT2 pin. (Table 9, Table 10)
VGAIN11 bit VGAIN10 bit VOUT1 output Level VOUT1 Sync Tip Level (max)
0
0
1
1
0
1
0
1
+6dB
0dB
+3dB
-3dB
200mV
500mV
200mV
500mV
(default)
Table 9.VOUT1 Output Level Setting
VGAIN21 bit VGAIN20 bit VOUT2 output Level VOUT2 Sync Tip Level (max)
0
0
1
1
0
1
0
1
+6dB
0dB
+3dB
-3dB
200mV
500mV
200mV
500mV
(default)
Table 10.VOUT2 Output Level Setting
VGCA14-10 bits finely tune the video output levels of VOUT1, and VGCA24-20 bits tune VOUT2. (Table 11, Table 12)
VGCA14-10 bit
00000
00001
00010
:
VOUT1 GAIN [dB]
STEP
0.1dB
−1.0
−0.9
−0.8
:
01010
:
0
(default)
:
10010
10011
10100
others
+0.8
+0.9
+1.0
Reserved
Table 11. Video Output Level (VOUT1) Fine Tuning Setting
VGCA24-20 bit
00000
00001
00010
:
VOUT2 GAIN [dB]
STEP
−1.0
−0.9
−0.8
:
01010
:
0
:
(default)
0.1dB
10010
10011
10100
others
+0.8
+0.9
+1.0
Reserved
Table 12. Video Output Level (VOUT2) Fine Tuning Setting
MS1251-E-00
14
2010/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
