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AN554 Datasheet, Equivalent, Bus Master.

Software Implementation of I2C Bus Master

Software Implementation of I2C Bus Master

 

 

 

Part AN554
Description Software Implementation of I2C Bus Master
Feature M Author: AN554 In most systems the mic rocontroller is the master and the exte rnal peripheral devices are slaves.
In these cases this application note can b e used to attach I2C slaves to the PIC1 6CXXX (the master) microcontroller.
The multi-master system is not implemented because it is extremely difficult to meet all the I2C Bus timing specificat ions using software.
For a true slave o r multi-master system, some interface h ardware is necessary (like START & STOP bit detection).
In addition to the low level single master I2C routines, a co llection of high level routines with va rious message stru .
Manufacture Microchip Technology
Datasheet
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Part AN554
Description Software Implementation of I2C Bus Master
Feature M Author: AN554 In most systems the mic rocontroller is the master and the exte rnal peripheral devices are slaves.
In these cases this application note can b e used to attach I2C slaves to the PIC1 6CXXX (the master) microcontroller.
The multi-master system is not implemented because it is extremely difficult to meet all the I2C Bus timing specificat ions using software.
For a true slave o r multi-master system, some interface h ardware is necessary (like START & STOP bit detection).
In addition to the low level single master I2C routines, a co llection of high level routines with va rious message stru .
Manufacture Microchip Technology
Datasheet
Download AN554 Datasheet

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