scc(4)

scc4

Serial communications controller driver

Usage

device scc device uart

Overview

The scc device driver provides support for various classes of SCCs. It is an umbrella driver that delegates control of each independent communication channel to subordinate drivers. These subordinate drivers, like uart(4), take care of the details of the communication itself.

Hardware

The scc driver supports the following classes of Serial Communications Controllers:

  • QUICC: Freescale/NXP QUad Integrated Communications Controllers.

  • Z8530: Zilog 8530 based serial communications controllers.

Releases

44 releases since FreeBSD 7.0-RELEASE; the text changed 31 times.

  1. 7.0
  2. 7.1
  3. 7.2
  4. 7.3
  5. 7.4
  6. 8.0
  7. 8.1
  8. 8.2
  9. 8.3
  10. 8.4
  11. 9.0
  12. 9.1
  13. 9.2
  14. 9.3
  15. 10.0
  16. 10.1
  17. 10.2
  18. 10.3
  19. 10.4
  20. 11.0
  21. 11.1
  22. 11.2
  23. 11.3
  24. 11.4
  25. 12.0
  26. 12.1
  27. 12.2
  28. 12.3
  29. 12.4
  30. 13.0–13.2
  31. 13.3–14.3
  32. 14.4–16.0

History

The scc device driver first appeared in FreeBSD 7.0.

Authors

The scc driver and this manual page were written by Marcel Moolenaar ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.