Information

42.5.2 Peripheral ID Complement register (USBx_IDCOMP)
Reads back the complement of the Peripheral ID register. For the USB peripheral, the
value is 0xFB.
Address: 4007_2000h base + 4h offset = 4007_2004h
Bit 7 6 5 4 3 2 1 0
Read 1 NID
Write
Reset
1 1 1 1 1 0 1 1
USBx_IDCOMP field descriptions
Field Description
7–6
Reserved
This field is reserved.
This read-only field is reserved and always has the value 1.
5–0
NID
Ones complement of peripheral identification bits.
42.5.3 Peripheral Revision register (USBx_REV)
Contains the revision number of the USB module.
Address: 4007_2000h base + 8h offset = 4007_2008h
Bit 7 6 5 4 3 2 1 0
Read REV
Write
Reset
0 0 1 1 0 0 1 1
USBx_REV field descriptions
Field Description
7–0
REV
Revision
Indicate the revision number of the USB Core.
Memory map/Register definitions
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
1042
Preliminary
Freescale Semiconductor, Inc.
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