Difference between revisions of "LPC1768: RTC Programming"
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|YEAR || Year value|| 0 to 4095 | |YEAR || Year value|| 0 to 4095 | ||
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+ | ===== Consolidated Time Registers ===== | ||
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+ | The values of the Time Counters can optionally be read in a consolidated format which | ||
+ | allows the programmer to read all time counters with only three read operations | ||
=Steps for configuring RTC= | =Steps for configuring RTC= |
Revision as of 20:30, 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 | ||||||
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 |
Consolidated Time Registers
The values of the Time Counters can optionally be read in a consolidated format which allows the programmer to read all time counters with only three read operations
Steps for configuring RTC
Code EXample
Example 1
Using Explore Embedded Liberaries