SPRUJ53C April 2024 – February 2025 TMS320F28P550SG , TMS320F28P550SJ , TMS320F28P559SG-Q1 , TMS320F28P559SJ-Q1
As explained in Section 26.1.5, when the I2C module is a controller, the I2C module clock is divided down further to use as the controller clock on the SCL pin. As shown in Figure 26-4, the shape of the controller clock depends on two divide-down values:
Figure 26-4 Roles of the Clock
Divide-Down Values (ICCL and ICCH)