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IDProjectCategoryView StatusLast Update
0000931K18X001.00 SKB SWANHW Issuepublic2021-12-24 17:38
Reporter(ALTech) Lonnie Kim Assigned To(HW) Sean Chiang Due Date2020-09-14 20:12
PriorityhighSeveritys2-severeReproducibilityalways
Status closedResolutionfixed 
Summary0000931: [SWAN]BT Block Schematics
DescriptionDear Sean

Please provide BT block schematics for reviewing HW side.
Our engineering group want to help to your BT bring-up issue.
Please provide that block.

Best regards

Lonnie Kim
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(HW) Sean Chiang

2020-09-11 20:59

developer   ~0004313

Hi Lonnie,

We have cooperated with Realtek FAE to debug the bring up issue now.
According to the Realtek FAE, the bring up fail may be caused by an incomplete eFuse burning process.
We have asked Realtek FAE to come to our office next Tuesday and guide us how to program eFuse burning process correctly.

For the BT block schematics, I'm afraid that I can't provide you with the schematic due to Foxconn policy. Hope you can understand.

Regards,
Sean

(ALTech) SY Yoon

2020-09-11 21:08

developer   ~0004314

Hi Mr. Sean Chiang,

I have question about BT.
Do all EVT2 B'ds have BT MAC ?
If there is no BT MAC on EVT1/2 B'd, then should we program BT MAC for all EVT1/2 in our side ?

(ALTech) Lonnie Kim

2020-09-12 04:48

developer   ~0004316

Dear Sean

Could you provide checking result of HW side?
- Power
- X-tal
- Reset
- etc

Best regards

Lonnie Kim

(HW) Sean Chiang

2020-09-15 19:15

developer   ~0004339

Hi Mr.Yoon,

We will program BT MAC with EVT2 board to you but now we are still working with Realtek to solve eFuse burning issue.
According to Realtek, the BT MAC can be burned into eFuse or F/W. We will discuss with Realtek which method they recommend.

Regards,
Sean

(HW) Sean Chiang

2020-09-15 21:31

developer   ~0004342

Hi Lonnie,

- The 3.3V power supply for BT chipset and the internal regulator 1.26V output of BT chipset are no problem.
- The 40MHz Xtal can works normally
- The reset pin connected to the SM_GPIO1 of VS550 and the reset function is no problem.

Currently, we don't find any HW related issue for bluetooth. And we will work with Realtek to do power calibration tomorrow morning to make sure that the TX power and flatness are no problem.

Regards,
Sean

(ALTech) Lonnie Kim

2020-09-16 17:52

developer   ~0004362

Dear Sean

How about your bring-up status?

Best regards

Lonnie Kim

(HW) Sean Chiang

2021-12-24 17:38

developer   ~0009124

This issue should be no further actions. So I will close this issue. Thanks!

Issue History

Date Modified Username Field Change
2020-09-11 19:15 (ALTech) Lonnie Kim New Issue
2020-09-11 19:15 (ALTech) Lonnie Kim Status new => assigned
2020-09-11 19:15 (ALTech) Lonnie Kim Assigned To => (HW) Sean Chiang
2020-09-11 19:16 (ALTech) Lonnie Kim Issue Monitored: (ALTech) Lonnie Kim
2020-09-11 19:16 (ALTech) Lonnie Kim Issue Monitored: (ALTech) SH Son
2020-09-11 19:16 (ALTech) Lonnie Kim Issue Monitored: (ALTech) Wooshin Kang
2020-09-11 19:16 (ALTech) Lonnie Kim Issue Monitored: (ALTech) SY Yoon
2020-09-11 20:59 (HW) Sean Chiang Note Added: 0004313
2020-09-11 21:08 (ALTech) SY Yoon Note Added: 0004314
2020-09-12 04:48 (ALTech) Lonnie Kim Note Added: 0004316
2020-09-15 19:15 (HW) Sean Chiang Note Added: 0004339
2020-09-15 21:31 (HW) Sean Chiang Note Added: 0004342
2020-09-16 17:52 (ALTech) Lonnie Kim Note Added: 0004362
2020-11-13 11:20 (SW) Jacky Chiang Project T99X171.00 SKB Eagle => K18X001.00 SKB SWAN
2021-12-24 17:38 (HW) Sean Chiang Note Added: 0009124
2021-12-24 17:38 (HW) Sean Chiang Status assigned => closed
2021-12-24 17:38 (HW) Sean Chiang Resolution open => fixed