USBx_CONTROL field descriptions
Field Description
7–5
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
4
DPPULLUPNONOTG
Provides control of the DP Pullup in USBOTG, if USB is configured in non-OTG device mode.
0 DP Pullup in non-OTG device mode is not enabled.
1 DP Pullup in non-OTG device mode is enabled.
Reserved This field is reserved.
This read-only field is reserved and always has the value 0.
43.4.27 USB Transceiver Control register 0 (USBx_USBTRC0)
Includes signals for basic operation of the on-chip USB Full Speed transceiver and
configuration of the USB data connection that are not otherwise included in the USB Full
Speed controller registers.
Address:
4007_2000h base + 10Ch offset = 4007_210Ch
Bit 7 6 5 4
Read 0
USBRESMEN
0
Write USBRESET
Reset
0 0 0 0
Bit
3 2 1 0
Read 0
USB_CLK_
RECOVERY_INT
SYNC_DET USB_RESUME_INT
Write
Reset
0 0 0 0
USBx_USBTRC0 field descriptions
Field Description
7
USBRESET
USB Reset
Generates a hard reset to USBOTG. After this bit is set and the reset occurs, this bit is automatically
cleared.
NOTE: This bit is always read as zero. Wait two USB clock cycles after setting this bit before
accessing other USB register bitfields.
0 Normal USB module operation.
1 Returns the USB module to its reset state.
6
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
5
USBRESMEN
Asynchronous Resume Interrupt Enable
Table continues on the next page...
Chapter 43 Universal Serial Bus Full Speed OTG Controller (USBFSOTG)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 1105
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