LPC546xx: how do you configure USB1 device ctrl to only enumerate as FS device?

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LPC546xx: how do you configure USB1 device ctrl to only enumerate as FS device?

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belmontbob59
Contributor IV

UM10912 / Table 935 / DEVCMDSTAT shows that USB1 device controller can enumerate at either FS or HS.

DEVCMDSTAT ::[23:22] Speed (01b FS, 10b HS)

However this field is read only. How can I force USB1 to only enumerate at FS ? . i.e. decline high speed handshaking to expose itself as  FS capable device only to the host.

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soledad
NXP Employee
NXP Employee

Hi,

Please check the updates in the thread OM13092/Keyboard2mouse : how can I force USB1 device ctrl to be FS ? 


Have a great day,
Sol

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