Difference between revisions of "LPC1768: RTC Programming"
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=Objective= | =Objective= | ||
=RTC Registers= | =RTC Registers= | ||
| + | |||
| + | |||
| + | =====CCR ( Clock Control Register )===== | ||
| + | {| class="wikitable" style="text-align:center; background-color:#ABCDEF;margin: 1em auto 1em auto" | ||
| + | !colspan = '9'|CCR | ||
| + | |- | ||
| + | |31:5|| 4 || 3:2|| 1|| 0 | ||
| + | |- | ||
| + | | - || CCALEN || - || CTCRST || CLKEN | ||
| + | |} | ||
| + | |||
| + | '''Bit 0 – CLKEN : Clock Enable'''<br> | ||
| + | |||
| + | '''Bit 1 - CTCRST : CTC Reset'''<br> | ||
| + | |||
| + | '''Bit 3:2 ''' | ||
| + | |||
| + | '''Bit 4 - CCALEN''' <br> | ||
| + | |||
| + | '''Bit 31:5 ''' | ||
| + | |||
| + | =====Time Counter Register ===== | ||
| + | {| class="wikitable" style="text-align:center; background-color:#ABCDEF;margin: 1em auto 1em auto" | ||
| + | !colspan = '9'|Time Counter Register | ||
| + | |- | ||
| + | |Name|| Description || Range|| 0 | ||
| + | |- | ||
| + | |SEC || Seconds value|| 0 to 59 | ||
| + | |- | ||
| + | |MIN || Minutes value|| 0 to 59 | ||
| + | |- | ||
| + | |HOUR || Hours value|| 0 to 23 | ||
| + | |- | ||
| + | |DOM || Day of Month value|| 1 to 28,29,30 or 31 <br> ( depending on the | ||
| + | month and whether it is a leap year). | ||
| + | |- | ||
| + | |DOW || Day of Week value|| 0 to 6 | ||
| + | |- | ||
| + | |DOY || Day of Year value|| 1 to 365 (366 for Leap Year) | ||
| + | |- | ||
| + | |MONTH || Month value|| 1 to 12 | ||
| + | |- | ||
| + | |YEAR || Year value|| 0 to 4095 | ||
| + | |} | ||
| + | |||
=Steps for configuring RTC= | =Steps for configuring RTC= | ||
=Code EXample= | =Code EXample= | ||
Revision as of 20:27, 4 June 2015
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Contents
Objective
RTC Registers
CCR ( Clock Control Register )
| CCR | ||||||||
|---|---|---|---|---|---|---|---|---|
| 31:5 | 4 | 3:2 | 1 | 0 | ||||
| - | CCALEN | - | CTCRST | CLKEN | ||||
Bit 0 – CLKEN : Clock Enable
Bit 1 - CTCRST : CTC Reset
Bit 3:2
Bit 4 - CCALEN
Bit 31:5
Time Counter Register
| Time Counter Register | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Description | Range | 0 | |||||
| SEC | Seconds value | 0 to 59 | ||||||
| MIN | Minutes value | 0 to 59 | ||||||
| HOUR | Hours value | 0 to 23 | ||||||
| DOM | Day of Month value | 1 to 28,29,30 or 31 ( depending on the month and whether it is a leap year). | ||||||
| DOW | Day of Week value | 0 to 6 | ||||||
| DOY | Day of Year value | 1 to 365 (366 for Leap Year) | ||||||
| MONTH | Month value | 1 to 12 | ||||||
| YEAR | Year value | 0 to 4095 | ||||||
Steps for configuring RTC
Code EXample
Example 1
Using Explore Embedded Liberaries