SPRSP69B July 2023 – November 2023 TMS320F28P650DK , TMS320F28P659DK-Q1
PRODMIX
For applications that do not need to use all functions of the device, Table 5-10 lists acceptable conditioning for any unused pins. When multiple options are listed in Table 5-10, any are acceptable. Pins not listed in Table 5-10 must be connected according to the Pin Attributes table.
SIGNAL NAME | ACCEPTABLE PRACTICE |
---|---|
Analog | |
VREFHIx | Tie to VDDA |
VREFLOx | Tie to VSSA |
ADCINx (except DAC pins) |
|
ADCINx (DAC pins) |
|
Digital | |
GPIOx |
|
X1 | Tie to VSS |
X2 | No Connect |
TCK |
|
TDI |
|
TDO | No Connect |
TMS | No Connect |
ERRORSTS | No Connect |
Power and Ground | |
VDD | All VDD pins must be connected per the Pin Attributes table. |
VDDA | If a dedicated analog supply is not used, tie to VDDIO. |
VDDIO | All VDDIO pins must be connected per the Pin Attributes table. |
VDD3VFL | Must be tied to VDDIO |
VDDOSC | Must be tied to VDDIO |
VSS | All VSS pins must be connected to board ground. |
VSSA | If a dedicated analog ground is not used, tie to VSS. |
VSSOSC | If an external crystal is not used, this pin may be connected to the board ground. |