11

Multimedia ICs

BA7786FP-Y / BA7787FS

(1) MUTE CTRL

• Turns the headphone mute function on and off.

(3) SP SUSPEND

• Turns the speaker suspend function on and off.

(2) HP SUSPEND

• Turns the headphone suspend function on and off.

• Because the BA7786FP-Y has a pull-up resistor, this is possible even when open (if at the high level).

• Because the BA7786FP-Y has a pull-up resistor, this is possible even when open (if at the high level).

Note

—

HP MUTE ON

L

Turns off HP AMP output

HP MUTE OFF

H (OPEN)

Note

HP SUSPEND

L

H

The headphone amplifier operates

The headphone amplifier turns off

HP SUSPEND

Note

SP SUSPEND

L

H

The speaker amplifier operates

The speaker amplifier turns off

SP SUSPEND

(4) LINE MIX ON / OFF

• Turns the SP IN input on and off according to SP OUT.

Note

—

LINE MIX OFF

L

H (OPEN)

Stops the output of SP IN input to SP OUT

LINE MIX ON

(5) MONO / STEREO (BA7786FP-Y)

• Turns SP AMP LCH on and off.

Note

SP AMP LCH OFF

L

H (OPEN)

SP AMP LCH turns off

SP AMP LCH ON

SP AMP LCH operates