Rainbow Electronics MAX4399 - Manual (Page 29)

MAX4399
Audio/Video Switch for Three SCART
Connectors
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Read Mode: Description of Register
Table 19. Register 0Eh: Status
BIT
DESCRIPTION
7 6 5 4 3 2 1 0
COMMENTS
— — — — — — 0 0 0 to 2V; internal source
— — — — — — 0 1
4.5V to 7V; external source with 16:9
aspect ratio
— — — — — — 1 0 Not used
TV Slow Switch Status
— — — — — — 1 1
9.5V to 12.6V; external source with 4:3
aspect ratio
— — — — 0 0 — — 0 to 2V; internal source
— — — — 0 1 — —
4.5V to 7V; external source with 16:9
aspect ratio
— — — — 1 0 — — Not used
VCR Slow Switch Status
— — — — 1 1 — —
9.5V to 12.6V; external source with 4:3
aspect ratio
— — 0 0 — — — — 0 to 2V; internal source
— — 0 1 — — — —
4.5V to 7V; external source with 16:9
aspect ratio
— — 1 0 — — — — Not used
AUX Slow Switch Status
— — 1 1 — — — —
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