[AK4709]
Mode
0
PDN pin
“L”
AUTO bit
x
STBY bit
x
MUTE bit
x
Mode
Full Power-down
Auto Startup mode
(Power-on default)
Standby & Mute
Standby
1
“H”
1
x
x
2
3
“H”
“H”
0
0
1
1
1
0
Mute (Note 19)
(AMP power down)
Normal operation
(AMP operation)
4
5
“H”
“H”
0
0
0
0
1
0
Note 19. TVOUTL/R are muted by Mute bit in the default state.
Table 2. Operation Mode Settings (x: Don’t Care)
Register
Control Charge pump
NOT
available
Audio
Video
Output
VCRSB
TVSB
Power
Consumption
Mode
Full Power-down
TVFB
Hi-Z
Pull
-down
(Note 20)
0
1
1mW (typ)
Power down
Hi-Z
No video
input
Video input
(Note 21)
2.5mW(typ)
Auto Startup mode
(Power-on default)
Active
(Note 22)
Hi-Z
290mW(typ)
(Note 23)
2.5mW(typ)
(Note 24)
Active
2
Standby & mute
Standby
Power down
Active
(Note 25)
260mW (typ)
(Note 23)
Hi-Z
2.5mW (typ)
(Note 24)
3
4
Active
Active
(Note 25)
Available
290mW(typ)
(Note 23)
Active
Active
Hi-Z
2.5mW(typ)
(Note 24)
Mute
(AMP power down)
Power down
Active
(Note 25)
260mW (typ)
(Note 23)
No video
input
Power down
Active
Hi-Z
Hi-Z
2.5mW(typ)
2.5mW(typ)
Normal operation
(AMP operation)
5
Video input
Active
(Note 25)
290mW(typ)
(Note 23)
Note 20. Internally pulled down by 120kΩ (typ) resistor.
Note 21. Video input to TVVIN or VCRVIN.
Note 22. VCRC output 0V for termination.
Note 23. All video outputs active.
Audio Output: 1kHz 2Vrms output, Video Output: 100% color bar output.
Slow Blanking (default setting): SBIO1-0 bits= “00”, SBT1-0 bits= “00”, SBV1-0 bits= “00”
Note 24. All video Amp power down.
Note 25. The video output status is Hi-Z (default) when output enable register (05H) is “0”, and it is Active when output
enable register (05H) is “1”.
Table 3. Status of each operation mode
MS1319-E-00
2011/07
- 15 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
