Rainbow Electronics MAX9597 - Manual (Page 27)

MAX9597
Low-Power Audio/Video Interface
for Single SCART Connectors
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BIT
DESCRIPTION
7 6 5 4 3 2 1 0
COMMENTS
— — — — — — — 0 Off
TV audio mute
— — — — — — — 1 On (power-on default)
— 0 — — — — — — Off
Zero-crossing detector
— 1 — — — — — — On (power-on default)
Table 8. Register 00h: Audio Control
BIT
DESCRIPTION
7 6 5 4 3 2 1 0
COMMENTS
— — — — — — 0 0
Low (< 2V) internal source (power-on
default)
— — — — — — 0 1
Medium (4.5V to 7V) external SCART
source with 16:9 aspect ratio
— — — — — — 1 0 High impedance
Set TV slow switching
— — — — — — 1 1
High ( > 9.5V) external SCART source
with 4:3 aspect ratio
— — — 0 0 — — — GND (power-on default)
— — — 0 1 — — — Not used
— — — 1 0 — — — Same level as VCR_FB_IN
Set TV fast switching
— — — 1 1 — — — V VID
Table 9. Register 07h: TV Video Output Control
BIT
DESCRIPTION
7 6 5 4 3 2 1 0
COMMENTS
— — — — 0 — — —
DC restore clamp active at input
(power-on default)
ENC_R/C_IN clamp/bias
— — — — 1 — — — Chrominance bias applied at input
Table 10. Register 08h: VCR Video Input Control