Datasheet

39.6.63 Host Pipe x IN Request Register
Name: USBHS_HSTPIPINRQx
Offset: 0x0650 + x*0x04 [x=0..9]
Reset: 0
Property: Read/Write
Bit 31 30 29 28 27 26 25 24
Access
Reset
Bit 23 22 21 20 19 18 17 16
Access
Reset
Bit 15 14 13 12 11 10 9 8
INMODE
Access
Reset 0
Bit 7 6 5 4 3 2 1 0
INRQ[7:0]
Access
Reset 0 0 0 0 0 0 0 0
Bit 8 – INMODE IN Request Mode
Value Description
0
Performs a pre-defined number of IN requests. This number is the INRQ field.
1
Enables the USBHS to perform infinite IN requests when the pipe is not frozen.
Bits 7:0 – INRQ[7:0] IN Request Number before Freeze
This field contains the number of IN transactions before the USBHS freezes the pipe. The USBHS performs (INRQ
+1) IN requests before freezing the pipe. This counter is automatically decreased by 1 each time an IN request has
been successfully performed.
This register has no ef
fect when INMODE = 1.
SAM E70/S70/V70/V71 Family
USB High-Speed Interface (USBHS)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 917