Datasheet

32.8.5.5 Host Frame Length
Name: FLENHIGH
Offset: 0x12
Reset: 0x00
Property: Read-Only
Bit 7 6 5 4 3 2 1 0
FLENHIGH[7:0]
Access
R R R R R R R R
Reset 0 0 0 0 0 0 0 0
Bits 7:0 – FLENHIGH[7:0] Frame Length
These bits contains the 8 high-order bits of the internal frame counter.
Table 32-9. Counter Description vs. Speed
Host Register
STATUS.SPEED
Description
Full Speed With a USB clock running at 12MHz, counter length is 12000 to ensure a SOF
generation every 1 ms.
SAM D21 Family
USB – Universal Serial Bus
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 861