diff options
| author | hathach <[email protected]> | 2026-06-11 17:20:15 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2026-06-11 17:20:15 +0700 |
| commit | 5145b67f7946763ca04954f5494bfa88eec2acad (patch) | |
| tree | 9130540204c2404d532613adab01e88f4e918daa /docs/reference | |
| parent | f52d9c7b27dc0234fb4738762a8a6da01817e2bf (diff) | |
| parent | 0244a4f12e019406a4b73c75cd96f8efa096bbdc (diff) | |
Merge remote-tracking branch 'origin/master' into stm32c5
# Conflicts:
# README.rst
Diffstat (limited to 'docs/reference')
| -rw-r--r-- | docs/reference/device_issues.rst | 35 | ||||
| -rw-r--r-- | docs/reference/index.rst | 1 |
2 files changed, 36 insertions, 0 deletions
diff --git a/docs/reference/device_issues.rst b/docs/reference/device_issues.rst new file mode 100644 index 000000000..ae9cd55f1 --- /dev/null +++ b/docs/reference/device_issues.rst @@ -0,0 +1,35 @@ +Device specific known issues and workarounds +=============================================== +This page lists known issues and workarounds for specific devices. + +NXP LPC54600 +---------------- +**Severity: High** + +**Not recommended for USB device applications (except high-speed host controller)** + +Reference: `LPC54600 Errata Sheet`_ + +.. _LPC54600 Errata Sheet: https://www.nxp.com/docs/en/errata/ES_LPC546XX.pdf + +The LPC54600 series have a very buggy USB controller, with 17 issues listed in the errata which is more than half of the total issues. + +Most severe issues are: + +- USB.2: In USB high-speed device mode, the NBytes field is not correct after BULK IN transfer +- USB.5: In USB full-speed host mode, linked list on done queue is broken. +- USB.15: USB high-speed device in endpoint TX data corruption + +WCH CH32F20x/CH32V20x/CH32V30x +--------------------------------- +**Severity: Medium** + +**Not recommended for USB audio applications** + +Reference: `CH32V30X Reference Manual`_ USBFS/USBHS controller chapter + +.. _CH32V30X Reference Manual: https://www.wch-ic.com/downloads/CH32FV2x_V3xRM_PDF.html + +Data corruption may occur on isochronous endpoints. Due to the lacking of FIFO for interrupt status registers, later completed transfer will overwrite `INT_ST` and `RX_LEN` register if previous transfer processing is not completed. + +Other types of transfers are not affected. diff --git a/docs/reference/index.rst b/docs/reference/index.rst index 148e8a63b..c66ce618f 100644 --- a/docs/reference/index.rst +++ b/docs/reference/index.rst @@ -13,4 +13,5 @@ Complete reference documentation for TinyUSB APIs, configuration, and supported boards dependencies concurrency + device_issues glossary |