Application Note 13 of 80 002-26071 Rev. *B
2021-09-07
Clock configuration setup in TRAVEO™ T2G family CYT4D series MCUs
Configuration of the clock resources
3.1.1 Use case
• Oscillator to use: Crystal unit
• Fundamental frequency: 16 MHz
• Maximum drive level: 300.0 µW
• Equivalent series resistance: 150.0 ohm
• Shunt capacitance: 0.530 pF
• Parallel load capacitance: 8.000 pF
• Crystal unit vendor’s recommended value of negative resistance: 1500 ohm
• Automatic gain control: OFF
Note: These values are decided in consultation with the Crystal unit vendor.
3.1.2 Configuration
Table 1 lists the parameters and Table 2 lists the functions of the configuration part of in the SDL for ECO trim
settings.
Table 1 List of ECO trim settings parameters
Watchdog trim
Calculated from Setting ECO parameters in
TRAVEO™ T2G user guide
Amplitude trim
Calculated from Setting ECO parameters in
TRAVEO™ T2G user guide
Filter trim of 3
rd
harmonic oscillation
Calculated from Setting ECO parameters in
TRAVEO™ T2G user guide
Feedback resistor trim
Calculated from Setting ECO parameters in
TRAVEO™ T2G user guide
Startup time of the gain trim
Calculated from Setting ECO parameters in
TRAVEO™ T2G user guide
Automatic gain control (AGC) disabled
Calculated from Setting ECO parameters in
TRAVEO™ T2G user guide
Waiting for stabilization
PLL number for PLL_400M_0
PLL number for PLL_400M_1
PLL number for PLL_200M_0
PLL number for PLL_200M_1
Sum of load shunt capacity (pF)
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