Because of the holidays, TI E2E™ design support forum responses will be delayed from Dec. 25 through Jan. 2. Thank you for your patience.

MSP430F5342: Using MSP430 to reset a SoC

Part Number: MSP430F5342

Tool/software:

Hi Team,

I am planning to use MSP430F5342IRGZR to issue a power on reset signal to the ZU9EG MPSoC device. We have connected pin no. 48 (A GPIO) to the PS_POR_B pin of ZU9EG MPSoC device. And pin 47 (A GPIO) of  MSP430F5342IRGZR to the power good output pin of a PMIC. The datasheet of ZU9EG describes that  PS_POR_B must be asserted Low at power-up and continue to be asserted for a minimum duration of 10 microseconds after all the PS supply voltages reach minimum levels.

Datasheet (Pg:34): www.amd.com/.../ds925-zynq-ultrascale-plus.pdf

We are planning to program MSP such as if a high pulse is received at Pin 47, then MSP will wait for 5 ms (reset delay) and issue a reset signal to the PS_POR_B pin of MPSoC.

Whether the reset signal issued by MSP can be asserted for a minimum duration of 10 micro seconds?

**Attention** This is a public forum