Tz325 Pinout Description

The following tables describe the pinouts for power, ground, configuration, and interfaces.

Table 1. Power and Ground Pinouts xx indicates the bank location.
Function Description
VCC Core power supply.
VCCA_xx PLL analog power supply.
VDD_SOC Hardened RISC-V block power supply.
VCCAUX 1.8 V auxiliary power supply.
VCCIO33_xx HVIO bank power supply.
VCCIO33_xx_yy_zz Power for HVIO banks that are shorted together. xx, yy, and zz are the bank locations. For example: VCCIO33_BR1_BR2 shorts banks BR1 and BR2.
VCCIOxx HSIO bank power supply.
VCCIOxx_yy_zz Power for HSIO banks that are shorted together. xx, yy, and zz are the bank locations. For example:
VCCIO1B_1C shorts banks 1B and 1C
VQPS 1.8 V supply for security fuse.
During configuration and normal operation, keep this pin at 0 V. When you want to blow the security fuses, power this pin up to 1.8 V.
GND Ground.
Table 2. GPIO Pinoutsx indicates the location (T, B, L, or R); xx indicates the bank location; n indicates the number; yyyy indicates the function.
Function Direction Description
GPIOx_n I/O HVIO for user function. User I/O pins are single-ended.
GPIOx_n_yyyy I/O HVIO or multi-function pin.
GPIOx_N_n
GPIOx_P_n
 I/O HSIO transmitter, receiver, or both.
GPIOx_N_n_yyyy
GPIOx_P_n_yyyy
 I/O HSIO transmitter, receiver, both, or multi-function.
REF_RES_xx
 –
REF_RES is a reference resistor to generate constant current for the related circuits.
Connect all REF_RES pins to ground through a 10 kΩ resistor with a tolerance of ±1%.
Table 3. Alternate Function Pinoutsn is the number.
Function Direction Description
CLKn Input Single ended input for global clock and control network resource. The number of inputs is package dependent.
CLKn_P/N Input Differential input pair for global clock and control network resource. P pins can access to global clock and control network resource if it is in single-ended configuration.
EXTFB Input PLL external feedback CLKIN.
PLLINn Input PLL reference clock resource. The number of reference clock resources is package dependent.