Infineon TRAVEO T2G family CYT4D Series - Default Chapter; Table of Contents

Application Note 2 of 80 002-26071 Rev. *B
2021-09-07
Clock configuration setup in TRAVEO™ T2G family CYT4D series MCUs
Table of contents
4.1.2 Use case ............................................................................................................................................ 27
4.1.3 Configuration ................................................................................................................................... 27
4.1.4 Sample code for the initial configuration of FLL settings ............................................................... 28
4.2 Setting PLL ............................................................................................................................................. 31
4.2.1 Use case ............................................................................................................................................ 33
4.2.2 Configuration ................................................................................................................................... 33
4.2.3 Sample code for the initial PLL configuration ................................................................................ 39
5 Configuring the internal clock ..................................................................................................48
5.1 Configuring CLK_PATHx ........................................................................................................................ 48
5.2 Configuring CLK_HFx ............................................................................................................................ 50
5.3 Configuring the CLK_LF ......................................................................................................................... 51
5.4 Configuring CLK_FAST_0/CLK_FAST_1 ................................................................................................ 51
5.5 Configuring CLK_MEM ........................................................................................................................... 51
5.6 Configuring CLK_PERI ........................................................................................................................... 51
5.7 Configuring CLK_SLOW ......................................................................................................................... 52
5.8 Configuring CLK_GR .............................................................................................................................. 52
5.9 Configuring PCLK .................................................................................................................................. 53
5.9.1 Example of PCLK setting .................................................................................................................. 54
5.9.1.1 Use case ....................................................................................................................................... 54
5.9.1.2 Configuration .............................................................................................................................. 54
5.9.2 Sample code for the initial configuration of PCLK settings (example of the TCPWM timer)......... 55
5.10 Setting ECO_Prescaler .......................................................................................................................... 57
5.10.1 Use case ............................................................................................................................................ 58
5.10.2 Configuration ................................................................................................................................... 58
5.10.3 Sample code for the initial configuration of ECO prescaler settings ............................................. 59
5.11 Configuring the LPECO_Prescaler ........................................................................................................ 61
5.11.1 Use case ............................................................................................................................................ 61
5.11.2 Configuration ................................................................................................................................... 62
5.11.3 Sample code for the initial configuration of LPECO prescaler settings ......................................... 62
6 Supplementary information .....................................................................................................65
6.1 Input clocks in peripheral functions ..................................................................................................... 65
6.2 Use case of the clock calibration counter function .............................................................................. 66
6.2.1.1 Use case ....................................................................................................................................... 67
6.2.1.2 Configuration .............................................................................................................................. 67
6.2.1.3 Sample code for the initial configuration of the clock calibration counter with ILO0 and ECO
settings ........................................................................................................................................ 68
6.2.2 ILO0 calibration using the clock calibration counter function ....................................................... 70
6.2.2.1 Configuration .............................................................................................................................. 71
6.2.2.2 Sample code for the initial configuration of ILO0 calibration using clock calibration counter
settings ........................................................................................................................................ 71
6.3 CSV diagram and relationship of the monitored clock and reference clocks ..................................... 73
7 Glossary .................................................................................................................................75
References ......................................................................................................................................77
Other references ..............................................................................................................................78
Revision history ...............................................................................................................................79