Tz50 Unused Resources and Features

Table 1. Connection Requirements for Unused Resources and Features

Unused Resource/Feature	Pin	Note
PLL	VCCA	Connect to VCC.
HSIO Bank	VCCIO	Connect to either 1.2 V, 1.35, 1.5 V, or 1.8 V.
HVIO Bank	VCCIO33	Connect to either 1.8 V, 2.5 V, 3.0 V, or 3.3 V.
Security (Fuse Blowing)	VQPS	Connect to GND.

Notice: For more information, refer to the Topaz Hardware Design Checklist and Guidelines page of the Support Center.