topic Re: VR5510 cannot enter INIT_FS in Other NXP Products

VR5510 cannot enter INIT_FS

QR — Mon, 17 Apr 2023 05:43:23 GMT

The board enter debug mode after power up, value of FS_OVUVREG_STATUS is 0x5550, then write 1 to clear the flag, the value of FS_OVUVREG_STATUS keeps 0, and RSTB output high, the FS0B output low,and then make the device go to INIT_FS by setting GO_TO_INITFS (bit10 of FS_SAFE_IOS), then get FS_STATES,the FSM_STATES(FS_STATES[4:0]) always is 0x05, but there is not any information about 0x05. how to get the VR5510 to enter the INITFS?

Re: VR5510 cannot enter INIT_FS

guoweisun — Mon, 17 Apr 2023 06:59:55 GMT

1:FS_OVUVREG as 0x5550 mean VCORE and VDDIO have UV error,you need eliminate them firstly then to power on.

2:You can see below flow chart,after LBIST/ABISL1 no more issue,it will automatically enter into INIT phase.

Re: VR5510 cannot enter INIT_FS

QR — Mon, 17 Apr 2023 07:12:24 GMT

UV flags cleared only one time, the flags keeped 0, and UV flags have not been setting again. FS_DIAG_SAFETY is 0x040f, LBIST and ABIST always ok.
is the cause is the UV error?

Re: VR5510 cannot enter INIT_FS

guoweisun — Mon, 17 Apr 2023 07:36:31 GMT

You should double check the UV error on VCORE and VDDIO.

Then RSTB assert to high,FS0B assert high?

what do you mean FSM_STATES(FS_STATES[4:0]) always is 0x05? can you double check it again?

Re: VR5510 cannot enter INIT_FS

QR — Mon, 17 Apr 2023 08:13:21 GMT

VCORE is 1.807v, VDDIO is 3.287v. it is ok.
RSTB assert to high,FS0B assert low.

I'm sure that FSM_STATES(FS_STATES[4:0]) always is 0x05

Does the status of FS0B prevent the device from entering INIT_FS?

Re: VR5510 cannot enter INIT_FS

guoweisun — Mon, 17 Apr 2023 08:52:44 GMT

After pass the LBIST and ABISL1,the SBC enter into INIT phase automatically which mean no need send the register of GOTO_INITFS bit.

Re: VR5510 cannot enter INIT_FS

QR — Mon, 17 Apr 2023 09:14:55 GMT

thank you.

I try to get the FS_STATES without writting GO_TO_INIT, it didn't work. the state is still 0x05.

Re: VR5510 cannot enter INIT_FS

guoweisun — Tue, 18 Apr 2023 01:00:45 GMT

what about don't enter into debug mode only normal operation?

Re: VR5510 cannot enter INIT_FS

QR — Tue, 18 Apr 2023 02:04:23 GMT

the same with the last case,it didn't work, the state is 0x05.

Re: VR5510 cannot enter INIT_FS

guoweisun — Wed, 19 Apr 2023 00:34:29 GMT

你有换过板子测试吗？你的芯片是QM还是ASILB or D是哪个芯片？

Re: VR5510 cannot enter INIT_FS

QR — Wed, 19 Apr 2023 01:32:06 GMT

上面调试用的是MVR5510AMDALES，是ASIL D的，板子是硬件画的，换过板子，读到的数据是一样的。
刚才用开发板试了下，读到的状态是正常的，开发板使用的型号是MVR5510AMDAHES，也是ASIL D的。

Re: VR5510 cannot enter INIT_FS

guoweisun — Wed, 19 Apr 2023 23:59:09 GMT

首先你看看板子硬件电路跟EVM 的区别。MVR5510AMDALE BUCk1/2 是single phase，MVR5510AMDAHES BUCK1/2是dual phase

Re: VR5510 cannot enter INIT_FS

QR — Fri, 21 Apr 2023 05:32:03 GMT

我手上的板子关于BUCK1/2这块的硬件连接与开发板一致，看到可以通过OTP更改这块的配置，我现在尝试把它改为dual phase看看，谢谢！

Re: VR5510 cannot enter INIT_FS

QR — Mon, 24 Apr 2023 01:23:04 GMT

不好意思，之前错看成S32G-VNP-RDB2的原理图导致认为使用的VR5510型号不一致，实际使用的S32G-VNP-RDB3开发板，开发板原理图上标的型号是 PVR5510AMDALES ,实际应该是 MVR5510AMDALES ，这样的话我手上的板子与开发板使用的型号是一致的，我这边再排查看看，感谢！