The French Republican Calendar Alarm Clock

Contents

1. Goals
2. Resources
3. Circuit Structure
4. Deliverables

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Brief

Next, you will tackle a more challenging task: implementing an alternative version of the alarm clock that conforms to the structure of the French Republican Calendar.

Goals

1. Learn how to use Digital
2. Create a French Republican clock capable of:
   • Displaying the current French Republican time
   • Setting the current French Republican time
   • Setting the alarm French Republican time
   • Sounding an alarm at a user-defined French Republican time

Resources

French Republican Calendar Wiki

Circuit Structure

Failure to follow this structure can result in grading of the lab to be delayed or incorrect.

Your main Digital circuit should be named as FrenchRepublicanAlarmClock. The following ports should be opened for the FrenchRepublicanAlarmClock:

Port Direction	Port Name	Active	Port Width (bits)	Description
INPUT	CLK	Rising	1	Clock input used for the alarm clock
INPUT	CLR	High	1	Resets the alarm clock
INPUT	SETUP_TIME	High	1	Allows the user to set the time using MIN_ADV and HR_ADV
INPUT	SETUP_ALARM	High	1	Allows the user to set the alarm using MIN_ADV and HR_ADV
INPUT	MIN_ADV	High	1	Increments the minute signal whenever either SETUP signals are active
INPUT	HR_ADV	High	1	Increments the hour signal whenever either SETUP signals are active
INPUT	ALARM_EN	Low	1	Enables the buzzer when the alarm time is reached
OUTPUT	SECONDS	-	7	The current seconds the alarm clock has stored
OUTPUT	MINUTES	-	7	The current minutes the alarm clock has stored
OUTPUT	HOURS	-	4	The current hours the alarm clock has stored
OUTPUT	ALARM_MINUTES	-	7	The minute that the alarm clock is set to BUZZ at
OUTPUT	ALARM_HOURS	-	4	The hour that the alarm clock is set to BUZZ at
OUTPUT	BUZZ	High	1	Signal to buzz an external alarm when the alarm time is reached
OUTPUT	SEG_SECONDS	-	14	Seven segment signal for the seconds the alarm clock has displayed
OUTPUT	SEG_MINUTES	-	14	Seven segment signal for the minutes the alarm clock has displayed
OUTPUT	SEG_HOURS	-	14	Seven segment signal for the hours the alarm clock has displayed

Deliverables

• FrenchRepublicanAlarmClock.dig
• FrenchRepublicanAlarmClock.v

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Table of contents

• The French Republican Alarm Clock