SPRUIZ1B July 2023 – August 2024 TMS320F28P650DH , TMS320F28P650DK , TMS320F28P650SH , TMS320F28P650SK , TMS320F28P659DH-Q1 , TMS320F28P659DK-Q1 , TMS320F28P659SH-Q1
The data on SDA must be stable during the high period of the clock (see Figure 28-5). The high or low state of the data line, SDA, must change only when the clock signal on SCL is low.