Host Frame Length
Name:
FLENHIGH
Offset:
0x12
Reset:
0x00
Access:
Read-Only
Bit76543210
FLENHIGH[7:0]
AccessRRRRRRRR
Reset00000000

Bits 7:0 – FLENHIGH[7:0]: Frame Length

Frame Length

These bits contains the 8 high-order bits of the internal frame counter.

Table 1. 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.