Datasheet

Table Of Contents
Bits Name Description Type Reset
6 TX_DM_OE_OVER
RIDE_EN
RW 0x0
5 TX_DP_OE_OVERR
IDE_EN
RW 0x0
4 DM_PULLDN_EN_
OVERRIDE_EN
RW 0x0
3 DP_PULLDN_EN_O
VERRIDE_EN
RW 0x0
2 DP_PULLUP_EN_O
VERRIDE_EN
RW 0x0
1 DM_PULLUP_HISE
L_OVERRIDE_EN
RW 0x0
0 DP_PULLUP_HISE
L_OVERRIDE_EN
RW 0x0
USBPHY_TRIM Register
Description
Used to adjust trim values of USB phy pull down resistors.
Table 410.
USBPHY_TRIM
Register
Bits Name Description Type Reset
31:13 Reserved. - - -
12:8 DM_PULLDN_TRI
M
Value to drive to USB PHY
DM pulldown resistor trim control
Experimental data suggests that the reset value will work,
but this register allows adjustment if required
RW 0x1f
7:5 Reserved. - - -
4:0 DP_PULLDN_TRIM Value to drive to USB PHY
DP pulldown resistor trim control
Experimental data suggests that the reset value will work,
but this register allows adjustment if required
RW 0x1f
INTR Register
Description
Raw Interrupts
Table 411. INTR
Register
Bits Name Description Type Reset
31:20 Reserved. - - -
19 EP_STALL_NAK Raised when any bit in EP_STATUS_STALL_NAK is set.
Clear by clearing all bits in EP_STATUS_STALL_NAK.
RO 0x0
18 ABORT_DONE Raised when any bit in ABORT_DONE is set. Clear by
clearing all bits in ABORT_DONE.
RO 0x0
17 DEV_SOF Set every time the device receives a SOF (Start of Frame)
packet. Cleared by reading SOF_RD
RO 0x0
16 SETUP_REQ Device. Source: SIE_STATUS.SETUP_REC RO 0x0
RP2040 Datasheet
4.1. USB 409