6172 - MachXO3: Can one bank VCCIO be removed without damaging the part?

Yes, it is safe to remove the non-configuration VCCIO supply.

Details:
Bank 0 -> Configuration Bank( Stores the configuration Data )
Other Banks-> Non-Configuration Bank
VCCIO0 (Bank 0) -> Configuration Bank Supply Voltage :
A. The FPGA-TN-02055-2.5 -> Section 4. Configuration Process and Flow, VCCIO0, and VCC should be greater to 1.06V( Power-On-Reset ramp up trip point = MAX Voltage) else the power is not stable and will not proceed to the Initialization Phase.
B. The VCCIO0 must remain within the Recommended Operating Conditions to ensure proper operation.
Other VCCIO -> Non- Configuration Supply Voltage:
A. Ramp-Down/Turn Off will result in turning off its capability as I/O
B. Ramp-Up/Turn On will result in turning on its capability as I/O. Without reconfiguration as long as the VCC and VCCIO0 are intact with the configuration flow and POR
In summary, the user could power up/down other VCCIO except for the VCCIO0 to avoid reconfiguration.
Other information: Take note of the Power supply ramp rates for all power supplies. The details can be found in the datasheet -> Power Supply Ramp Rates tables.

Related Articles
1889 - MachXO2: I want to use the output of one Lattice MachXO2 I/O bank to control power on the board to the remaining VCCIO banks. Is this possible assuming that I will first power up the MachXO2 using only the VCC core and one
The user can power up the Lattice MachXO2 part using only the VCC core and one VCCIO bank. There are, however, a few constraints: As per the "Typical I/O Behavior During Power-up" section of the MachXO2 Family Data Sheet, the user needs to pick ...
1254 - How to define different VCCIO voltage in different IO bank for FPGA such as SC/ECP2/ECP2M/ECP3 devices? Why is it necessary?
When running ispLEVER software tool, edit the project preference file *.lpf by following the example below to add these preference to set the BANK voltages to match the circuit board design and how the device is connected on board: BANK 0 VCCIO 3.3 ...
2347 - MachXO2: Why does the Lattice software picks VCCIO bank voltages smaller than 3.3V when all my design IO buffers are of the 3.3V type?
Description:The situation above can occur when you set your IO buffer HYSTERESIS attribute to NA. You can normally set your IO buffer HYSTERISIS attribute using one of the three methods shown below: ispLEVER software: Start the Design Planner target ...
6173 - MachXO3: In the event full device power-down does not proceed or occur, could VCCIO be restored and user-mode resume without performing a device re-configuration?
Description: This FAQ list down the requirement for VCCIO can be restored without device re-configuration. Solution: In the event the VCC and VCCIO0 have been affected by the power-down, all VCCIO will be in off-mode and thus it requires device ...
5390 - IceCube2 / iCE40 UltraPlus: Why are there only two I/O Bank options (top and bottom bank), on the iCEcube2 chip configuration dialog when there are three I/O Banks on the iCE40 Ultra/UltraPlus device?
Solution: There are three I/O banks: one top bank (Bank 0) and two bottom banks (Bank 1_SPI and Bank 2). For the I/O bank voltages: TopBank is the voltage option for Bank 0. BottomBank is the voltage option for Bank 2. Voltage for Bank 1_SPI should ...

6172 - MachXO3: Can one bank VCCIO be removed without damaging the part?

6172 - MachXO3: Can one bank VCCIO be removed without damaging the part?

Related Articles

1889 - MachXO2: I want to use the&nbsp;output of one Lattice MachXO2 I/O bank to control&nbsp;power on the board to the remaining VCCIO&nbsp;banks. Is this possible assuming that I will&nbsp;first power up&nbsp;the MachXO2 using only the VCC core and one

1254 - How to define different VCCIO voltage in different IO bank for FPGA such as SC/ECP2/ECP2M/ECP3 devices? Why is it necessary?

2347 - MachXO2: Why does the Lattice software picks VCCIO bank voltages smaller than 3.3V when all my design IO buffers are of the 3.3V type?

6173 - MachXO3: In the event full device power-down does not proceed or occur, could VCCIO be restored and user-mode resume without performing a device re-configuration?

5390 - IceCube2 / iCE40 UltraPlus: Why are there only two I/O Bank options (top and bottom bank), on the iCEcube2 chip configuration dialog when there are three I/O Banks on the iCE40 Ultra/UltraPlus device?

1889 - MachXO2: I want to use the output of one Lattice MachXO2 I/O bank to control power on the board to the remaining VCCIO banks. Is this possible assuming that I will first power up the MachXO2 using only the VCC core and one