General Description

The Mosel SW003 is a monolithic CMOS LSI intelligent chip that is dedicated for clock/watch application with time announcing & alarm warning. 10 sentences are built-in for report and adjusting time and alarm. 3 1/2 digits LCD with 3 information flags are interfaced. With Mosel Editing system, every human language can be defined by user when manuafacturing.

Features

■ Single power can operate at 3.0V or 4.5V (LCD dependent)

■ 3 1/2 gidits LCD display with 5 information flags, in 1/2 duty 1/2 bias. They are colon, PM, CHM, ALM, AL.

■ 4 operation modes and easily operating : Regular mode, current time adjust mode, Alarm time adjust mode, Chime on/off & alarm on/off mode.

■ The voice content is stored up to 14.5 seconds at 6 KHz (15400h) and can be separated up to 64 sections.

■ The length of each section can be different and is multiples of 100h.

■ The length of a section with mute could be up to 8000h.

■ Report current time by each TALK key trigger, except in Alarm mode.

■ Current time display at regular mode.

■ Set alarm function on/off by setting ALM flag on/off.

■ Report Alarm on/off status and display.

■ Report Chime on/off status and display.

■ Setting current time the dsiplay in flashing.

■ Alarm time will report at every setting.

■ Report Alarm sound with time when alarm time is due.

■ Setting alarm time in hour and minute.

■ PM flag displayed at 12 HR format after 12:00.

■ 12/24 HR format selectable by pressing HOUR key when in regular mode.

■ Two independent chime sentence groups for 12 & 24 HR chime modes. A group has 24 chime sentences for 24 HR chime mode. The other group has 12 sentences.

■ Based on the 32768 Hz quartz crystal.

■ Current output can drive 8 ohm speaker with a transistor. Vout can drive buzzer directly.

■ Hour and minute digit adjustable individually by pressing HR and MN key and can be repeat in fast mode.

■ Time rolling reading in 1 Hz flash on two colon dots.

■ Automatic ramp up and ramp down.

■ Power on reset automatically.

■ Automatic power down.

■ Reset to regular mode when in other mode without any key input for 20 - 40 seconds.

■ Voice output frequency can be tuned by external resistor.

■ Mosel standard codes are available.

■ MSM9203 demo board (COB) is provided.