M65856 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M65856

DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

MITSUBISHI ELECTRIC  

MITSUBISHI SOUND PROCESSOR ICs

M65856SP

DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

FUNCTION DESCRIPTION

(1) AUTO RESET

Settings are reset automatically when the IC is powered up. The reset state is

automatically canceled approximately 120msec after powering up(Vcc=5V and the

capacitor connected to pin C=47µF).

By auto reset, operation mode setting become as follows.

• Delay Time Control : 104.0msec

• Source Selector : stereo

• Phase Shifter Surround Control : OFF • Auto Vocal support Switch : OFF

• KEYCON pass/through SW :ON

• Microphone Mixing Switch : OFF

• Echo effect Volume : -∞

• Echo Feed back Volume : -∞

• Microphone Volume Attenuation : -9dB

(2) AUTO MUTE FUNCTION

The IC carries out auto mute function at the time of powering up, delay time setting

change, in order to suppress shock noise that the digital delay may produce.

• At power up

Reset Time

Mute time

(400msec)

• At delay time setting change

Delay signal before change

Delay signal after change

Mute time

(400msec)

MITSUBISHI

ELECTRIC

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