Information

USB memory map (continued)
Absolute
address
(hex)
Register name
Width
(in bits)
Access Reset value
Section/
page
4007_20FC Endpoint Control register (USB0_ENDPT15) 8 R/W 00h
42.5.23/
1057
4007_2100 USB Control register (USB0_USBCTRL) 8 R/W C0h
42.5.24/
1058
4007_2104 USB OTG Observe register (USB0_OBSERVE) 8 R 50h
42.5.25/
1059
4007_2108 USB OTG Control register (USB0_CONTROL) 8 R/W 00h
42.5.26/
1060
4007_210C USB Transceiver Control Register 0 (USB0_USBTRC0) 8 R/W 00h
42.5.27/
1060
4007_2114 Frame Adjust Register (USB0_USBFRMADJUST) 8 R/W 00h
42.5.28/
1061
42.5.1 Peripheral ID register (USBx_PERID)
Reads back the value of 0x04. This value is defined for the USB peripheral.
Address: 4007_2000h base + 0h offset = 4007_2000h
Bit 7 6 5 4 3 2 1 0
Read 0 ID
Write
Reset
0 0 0 0 0 1 0 0
USBx_PERID field descriptions
Field Description
7–6
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
5–0
ID
Peripheral Identification
This field always reads 0x4h.
Chapter 42 Universal Serial Bus OTG Controller (USBOTG)
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
1041
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