Difference between revisions of "Component: Real Time Clock (MCP7940N) (Storage)"
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Latest revision as of 17:22, 9 November 2022
| Author | Matrix TSL |
| Version | 1.0 |
| Category | Storage |
Contents
Real Time Clock (MCP7940N) component
Serial (I2C) Real Time Clock component for MCP7940N device. When used with a MIAC project this component gives access to the internal RTC (if fitted, depending upon model) and the component properties will be automatically configured.
Component Pack
STORAGE
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Downloadable macro reference
|
SetTime |
| Sets the time from a string HHMMSS | |
 - STRING
|
Time |
 - VOID
|
Return |
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GetTime |
| Returns the time as a string HHMMSS | |
| - STRING
|
Return |
|
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ReadRegister |
| Read and return the value of the RTC register at the given address | |
 - BYTE
|
address |
| - BYTE
|
Return |
|
|
SetDate |
| Sets the date from a string DDMMYY | |
| - STRING
|
Date |
| - VOID
|
Return |
|
|
GetDate |
| Returns the date as a string DDMMYY | |
| - STRING
|
Return |
|
|
WriteRegister |
| Write the given data value to the RTC register at the given address | |
| - BYTE
|
address |
| - BYTE
|
data |
| - VOID
|
Return |
|
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Initialise |
| Initialises the component ready for I2C communications | |
| - VOID
|
Return |
Property reference
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Properties |
|
Connections |
|
Channel |
| Channel selection | |
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SDA |
| Pin used for SDA (data signal) | |
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SDA Remap Pin |
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SCL |
| Pin used for SCL (clock signal) | |
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SCL Remap Pin |
|
Stop Delay |
| On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | |
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Baud Select |
| Baud rate option selector | |
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Baud Rate |
| Baud rate to be used | |
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Simulation |
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Simulate Comms |
