ZHCSHE0 December 2017 TMS320F28377D-EP
PRODUCTION DATA.
For applications that do not need to use all functions of the device, Table 3-7 lists acceptable conditioning for any unused pins. When multiple options are listed in Table 3-7, any are acceptable. Pins not listed in Table 3-7 must be connected according to Table 3-1.
| SIGNAL NAME | ACCEPTABLE PRACTICE |
|---|---|
| Analog | |
| VREFHIx | Tie to VDDA |
| VREFLOx | Tie to VSSA |
| ADCINx |
|
| Digital | |
| GPIOx |
|
| X1 | Tie to VSS |
| X2 | No Connect |
| TCK |
|
| TDI |
|
| TDO | No Connect |
| TMS | No Connect |
| TRST | Pulldown resistor (2.2 kΩ or smaller) |
| VREGENZ | Tie to VDDIO. VREG is not supported. |
| ERRORSTS | No Connect |
| FLT1 | No Connect |
| FLT2 | No Connect |
| Power and Ground | |
| VDD | All VDD pins must be connected per Table 3-1. |
| VDDA | If a separate analog supply is not used, tie to VDDIO. |
| VDDIO | All VDDIO pins must be connected per Table 3-1. |
| 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 separate 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. |