7220 Datasheet, PDF (208/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
5.5 Example of I²C-BUS control by software (M37220M3-XXXSP/FP)
(6) Data setting when changing AFT (auto fine
tuning) state
To change the state of auto fine tuning at
presetting CH and ordinary tuning, the bit is
set as shown in Table 5.5.5.
Table 5.5.5 Data setting when changing AFT state
Sub-address
Bit
Data
0416
D6
DEFEAT
(7) Data setting when changing audio mute
state
When the audio mute key is input, the bit is
set as shown in Table 5.5.6. If it is necessary
to delete the sound while tuning with the tuning
key input or presetting CH, the bit is set as
shown in Table 5.5.6.
(8) Data setting when changing video mute
state
When muting the video on screen while tuning
with the tuning key input, the bit is set as
shown in Table 5.5.7.
(9) Data setting when adjusting white
balance
When adjusting the TV picture in the factory,
set the data shown in Table 5.5.8 to ready
the service mode for adjusting the white color.
Table 5.5.6 Data setting when changing audio mute
state
Sub-address
Bit
Data
0116
D6
A MUTE
Table 5.5.7 Data setting when changing video mute
state
Sub-address
Bit
Data
0B16
D6
MUTE
Table 5.5.8 Data setting when adjusting white color
balance
Sub-address
Bit
Data
1316
D3
SERSW
7220 Group User’s Manual
5-35