Datasheet

32.8.6.2 Interval for the Bulk-Out/Ping Transaction
Name: BINTERVAL
Offset: 0x103 + (n x 0x20)
Reset: 0x00
Property: PAC Write-Protection
Bit 7 6 5 4 3 2 1 0
BINTERVAL[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bits 7:0 – BINTERVAL[7:0] BINTERVAL
These bits contains the Ping/Bulk-out period.
These bits are cleared when a USB reset is sent or when PEN[n] is zero.
BINTERVAL Description
=0 Multiple consecutive OUT token is sent in the same frame until it is acked by the
peripheral
>0 One OUT token is sent every BINTERVAL frame until it is acked by the peripheral
Depending from the type of pipe the desired period is defined as:
PTYPE Description
Interrupt 1 ms to 255 ms
Isochronous 2^(Binterval) * 1 ms
Bulk or control 1 ms to 255 ms
EXT LPM bInterval ignored. Always 1 ms when a NYET is received.
SAM D21 Family
USB – Universal Serial Bus
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 871