Maxim Integrated MAX32665 - Table 21-12: USBHS Signaling Interrupt Status Flag Register; Table 21-13: USBHS Signaling Interrupt Enable Register; Table 21-14: USBHS Frame Number Register

MAX32665-MAX32668 User Guide
Maxim Integrated Page 415 of 457
USBHS OUT Endpoint Interrupt Enable
USBHS_INTROUTEN
[0x0008]
Bits
Name
Access
Reset
Description
0
-
R
0
Reserved for Future Use
Do not modify this field.
Table 21-12: USBHS Signaling Interrupt Status Flag Register
USBHS Signaling Interrupt Status Flags
USBHS_INTSIGFL
[0x000A]
Bits
Name
Access
Reset
Description
8:4
-
R/W
0
Reserved for Future Use
Do not modify this field.
3
sof
R
0
Start Of Frame Detected Status Flag
2
reset
R
0
RESET State Detected Status Flag
1
resume
R
0
RESUME State Detected Status Flag
Set when a RESUME state is detected while in SUSPEND Mode.
0
suspend
R
0
SUSPEND Mode Status Flag
Reads 1 when SUSPEND mode is active.
Table 21-13: USBHS Signaling Interrupt Enable Register
USBHS Signaling Interrupt Enable
USBHS_INTSIGEN
[0x000B]
Bits
Name
Access
Reset
Description
8:4
-
R/W
0
Reserved for Future Use
Do not modify this field.
3
sof
R/W
0
Start Of Frame (SOF) Detected Interrupt Enable
0: Interrupt event disabled.
1: Interrupt event enabled.
2
reset
R/W
1
RESET State Detected Interrupt Enable
0: Interrupt event disabled.
1: Interrupt event enabled.
1
resume
R/W
1
RESUME State Detected Interrupt Enable
0: Interrupt event disabled.
1: Interrupt event enabled.
0
suspend
R/W
0
SUSPEND Mode Interrupt Enable
0: Interrupt event disabled.
1: Interrupt event enabled.
Table 21-14: USBHS Frame Number Register
USBHS Frame Number
USBHS_FRAME
[0x000C]
Bits
Name
Access
Reset
Description
15:11
framenum
R
0
Frame Number
Always reads 0.
10:0
framenum
R
0
Read Last Received Frame Number
This is the 11-bit frame number received in the SOF packet.