Instruction Manual

MAX4399
Audio/Video Switch for Three SCART
Connectors
______________________________________________________________________________________ 29
Read Mode: Description of Register
Table 19. Register 0Eh: Status
BIT
DESCRIPTION
76543210
COMMENTS
—————— 0 0 0 to 2V; internal source
—————— 01
4.5V to 7V; external source with 16:9
aspect ratio
—————— 1 0 Not used
TV Slow Switch Status
—————— 11
9.5V to 12.6V; external source with 4:3
aspect ratio
———— 00——0 to 2V; internal source
———— 01——
4.5V to 7V; external source with 16:9
aspect ratio
———— 10——Not used
VCR Slow Switch Status
———— 11——
9.5V to 12.6V; external source with 4:3
aspect ratio
—— 00————0 to 2V; internal source
—— 01————
4.5V to 7V; external source with 16:9
aspect ratio
—— 10————Not used
AUX Slow Switch Status
—— 11————
9.5V to 12.6V; external source with 4:3
aspect ratio
— 0 ——————
V_DIG is too low for digital logic to
operate
Power-On Reset
— 1 ——————
V_DIG is high enough for digital logic to
operate