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mikroSDK Library

Clock Gen click

Rating:

5

Author: MIKROE

Last Updated: 2020-05-25

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Clock generator

Downloaded: 3164 times

Not followed.

License: MIT license  

Clock Gen Click offers an ideal replacement for crystals, crystal oscillators, VCXOs, phase-locked loops (PLLs), and fanout buffers in cost-sensitive applications.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Clock Gen Click

Clock Gen Click

Native view of the Clock Gen Click board.

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Clock Gen Click

Clock Gen Click

Front and back view of the Clock Gen Click board.

View full image

Library Description

Library provides functions for communicating with device via I2C module, and many functions for user to easly set frequency of device.

Key functions:

  • void clockgen_generic_write ( uint8_t reg_adr, uint8_t write_data ) - Function for I2C write to device
  • uint8_t clockgen_generic_read ( uint8_t reg_adr ) - Function for I2C read from device
  • void clockgen_set_frequency ( uint8_t clk_num, uint8_t pll_num, uint32_t freq ) - Function for setting frequency to device
  • void clockgen_set_params ( uint8_t clk_pll_num, clockgen_params_t *param_group ) - Function for setting parameters to specific clock or pll
  • void clockgen_setup_multisyinth ( uint8_t clk_num, uint32_t divider, uint32_t num, uint32_t denom, uint8_t factor ) - Function for setting OMD
  • void clockgen_setup_pll ( uint8_t pll, uint8_t mult, uint32_t num, uint32_t denom ) - Function for setting FMD

Examples description

The application is composed of three sections :

  • System Initialization - Initialization of I2C module
  • Application Initialization - Configures device to default function that enables clock 0 and disables all others
  • Application Task - Changes 4 different frequency i span of 5 seconds
void application_task ( )
{
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 1 );
    Delay_ms( 5000 );
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 3 );
    Delay_ms( 5000 );
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 10 );
    Delay_ms( 5000 );
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 5 );
    Delay_ms( 5000 );
}


The full application code, and ready to use projects can be found on our LibStock page.

Library Description

Library provides functions for communicating with device via I2C module, and many functions for user to easly set frequency of device.

Key functions:

  • void clockgen_generic_write ( uint8_t reg_adr, uint8_t write_data ) - Function for I2C write to device
  • uint8_t clockgen_generic_read ( uint8_t reg_adr ) - Function for I2C read from device
  • void clockgen_set_frequency ( uint8_t clk_num, uint8_t pll_num, uint32_t freq ) - Function for setting frequency to device
  • void clockgen_set_params ( uint8_t clk_pll_num, clockgen_params_t *param_group ) - Function for setting parameters to specific clock or pll
  • void clockgen_setup_multisyinth ( uint8_t clk_num, uint32_t divider, uint32_t num, uint32_t denom, uint8_t factor ) - Function for setting OMD
  • void clockgen_setup_pll ( uint8_t pll, uint8_t mult, uint32_t num, uint32_t denom ) - Function for setting FMD

Examples description

The application is composed of three sections :

  • System Initialization - Initialization of I2C module
  • Application Initialization - Configures device to default function that enables clock 0 and disables all others
  • Application Task - Changes 4 different frequency i span of 5 seconds
void application_task ( )
{
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 1 );
    Delay_ms( 5000 );
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 3 );
    Delay_ms( 5000 );
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 10 );
    Delay_ms( 5000 );
    clockgen_set_frequency( CLOCKGEN_CLOCK_0, CLOCKGEN_PLLA, 5 );
    Delay_ms( 5000 );
}


Other mikroE Libraries used in the example:

  • I2C
  • UART

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

Other mikroE Libraries used in the example:

  • I2C
  • UART

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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