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