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Datasheet

ManualsBrandsMicrochip ManualsARM MicrocontrollersARM® Cortex® M0+ SAM Microcontroller 32bit 256KB TQFP
821822823824825826827828829830
Value Description
0x0
FS: Full-speed
0x1
LS: Low-speed
0x2
Reserved
0x3
Reserved
Bit 1 – UPRSM Upstream Resume
This bit is cleared when the USB receives a USB reset or once the upstream resume has been sent.
Value Description
0
Writing a zero to this bit has no effect.
1
Writing a one to this bit will generate an upstream resume to the host for a remote wakeup.
Bit 0 – DETACH Detach
Value Description
0
The device is attached to the USB bus so that communications may occur.
1
It is the default value at reset. The internal device pull-ups are disabled, removing the device
from the USB bus.
SAM D21 Family
USB – Universal Serial Bus
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 827