FEDL9298-01

LAPIS Semiconductor

ML9298

9/12

TEST pin

This is the pin for testing this device.

This pin should be left open or fixed at a “H” level when not used.

Removal of Chatters

Three

MS, HS and ZA input pins are connected to the chatter removing circuits internally, and therefore chatters

within 15.625 msec for each pin can be removed inside the device.

Colon Flashing/Lighting Select Function

Flashing or lighting of a colon can be selected by this COLSEL pin.

COLSEL

Operating mode

L

Flashing at 1 Hz

H

Lighting