MAX4399 Datasheet, PDF (25/33 Pages) Maxim Integrated Products – Audio/Video Switch for Three SCART Connectors

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