Datasheet

Bits Name Description Type Reset
25 BIT_STUFF_ERRO
R
Bit Stuff Error. Raised by the Serial RX engine. WC 0x0
24 CRC_ERROR CRC Error. Raised by the Serial RX engine. WC 0x0
23:20 Reserved. - - -
19 BUS_RESET Device: bus reset received WC 0x0
18 TRANS_COMPLET
E
Transaction complete.
Raised by device if:
* An IN or OUT packet is sent with the LAST_BUFF bit set in
the buffer control register
Raised by host if:
* A setup packet is sent when no data in or data out
transaction follows * An IN packet is received and the
LAST_BUFF bit is set in the buffer control register * An IN
packet is received with zero length * An OUT packet is sent
and the LAST_BUFF bit is set
WC 0x0
17 SETUP_REC Device: Setup packet received WC 0x0
16 CONNECTED Device: connected RO 0x0
15:12 Reserved. - - -
11 RESUME Host: Device has initiated a remote resume. Device: host
has initiated a resume.
WC 0x0
10 VBUS_OVER_CUR
R
VBUS over current detected RO 0x0
9:8 SPEED Host: device speed. Disconnected = 00, LS = 01, FS = 10 RO 0x0
7:5 Reserved. - - -
4 SUSPENDED Bus in suspended state. Valid for device and host. Host and
device will go into suspend if neither Keep Alive / SOF
frames are enabled.
RO 0x0
3:2 LINE_STATE USB bus line state RO 0x0
1 Reserved. - - -
0 VBUS_DETECTED Device: VBUS Detected RO 0x0
INT_EP_CTRL Register
Description
interrupt endpoint control register
Table 398.
INT_EP_CTRL Register
Bits Name Description Type Reset
31:16 Reserved. - - -
15:1 INT_EP_ACTIVE Host: Enable interrupt endpoint 1 -> 15 RW 0x0000
0 Reserved. - - -
RP2040 Datasheet
4.1. USB 400