INTEGRATED CIRCUITS INC.

aFRC616

Ver. 1.0

9/17

RESET

The aFRC616 can enter standby mode when RSTB pin drive to low. During chip in the

stopped, user also can not execute any new operate in this mode.

The standby mode will continue until RSTB pin goes to high, chip will be started to initial,

and playback “beep” tone to indicate enter idle mode.

User can get less current consumption by control RSTB pin especially in some

application which concern standby current.

BUSY

The MICG pin will be drove to low during the message record or playback, and drove to

high during idle or standby, user can detect MICG status to know chip is busy or not.

Please note it is limited for MICG pin driving current. Reference to IOH and IOL in section

“DC CHARACTERISTICS”. If MICG pin is over loading from external circuit, it will cause

noise in microphone circuit.