Instruction Manual

MAX4399
Audio/Video Switch for Three SCART
Connectors
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Table 9. Register 04h: Volume Control Bypass
BIT
DESCRIPTION
7 6 54321 0
COMMENTS
——————0 —
Phono audio passes through volume
control (power-on default)
Phono Volume Bypass
——————1 — Phono audio bypasses volume control
—————0 ——
TV audio passes through volume control
(power-on default)
TV Volume Bypass
—————1 ——TV audio bypasses volume control
————0 —— —
Clear INTERRUPT_OUT (power-on
default)
Interrupt Enable
————1 —— —Enable INTERRUPT_OUT
Table 10. Register 05h: Encoder Video Input Control
BIT
DESCRIPTION
76543210
COMMENTS
0 ———————
DC restore clamp active at input
(power-on default)
ENC_R/C_IN Clamp/Bias
1 ———————Chroma bias applied at input
Table 11. Register 06h: TV Video Input Control
BIT
DESCRIPTION
76543210
COMMENTS
———————— TV_Y/CVBS_OUT TV_R/C_OUT
————— 0 0 0 ENC_Y/CVBS_IN ENC_R/C_IN
————— 0 0 1 ENC_Y_IN ENC_C_IN
————— 0 1 0 VCR_Y/CVBS_IN VCR_R/C_IN
————— 0 1 1 AUX_Y/CVBS_IN AUX_R/C_IN
————— 1 0 0 TV_Y/CVBS_IN TV_R/C_IN
————— 1 0 1 Mute Mute
————— 1 1 0 Mute Mute
Input Sources for TV Video
————— 111
Mute (power-on
default)
Mute (power-on
default)
———————— TV_G_OUT TV_B_OUT
——— 00——— ENC_G_IN ENC_B_IN
——— 01——— VCR_G_IN VCR_B_IN
——— 10——— Mute Mute
Input Sources for TV_G_OUT and
TV_B_OUT
——— 11———
Mute (power-on
default)
Mute (power-on
default)
— 00————— 6dB (power-on default)
— 01————— 7dB
— 10————— 5dB
RGB Gain
— 11————— 5dB
0 ———————
DC restore clamp active at input (power-
on default)
TV_R/C_IN Clamp/Bias
1 ——————— Chroma bias applied at input