SPRSP85A April 2024 – September 2024 TMS320F28P550SJ , TMS320F28P559SJ-Q1
PRODMIX
The USB controller operates as a full-speed or low-speed function controller during point-to-point communications with USB host or device functions.
The USB module has the following features:
Figure 6-82 shows the USB block diagram.
The accuracy of the on-chip zero-pin oscillator (see the INTOSC Characteristics section) will not meet the accuracy requirements of the USB protocol. An external clock source must be used for applications using USB. For applications using the USB boot mode, see the Boot ROM and Peripheral Booting section for clock frequency requirements.