Datasheet

Universal Serial Bus Module (USB)
Technical Data MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
138 Universal Serial Bus Module (USB) Freescale Semiconductor
9.8.1 USB Address Register
USBEN — USB Module Enable
This read/write bit enables and disables the USB module and the USB
pins. When USBEN is set, the USB module is enabled and the PTE4
interrupt is disabled. When USBEN is clear, the USB module will not
respond to any tokens, USB reset and USB related interrupts are
disabled, and pins PTE4/D– and PTE3/D+ function as high current
open-drain I/O port pins PTE4 and PTE3.
1 = USB function enabled and PTE4 interrupt is disabled
0 = USB function disabled including USB interrupt, reset and reset
interrupt
UADD[6:0] — USB Function Address
These bits specify the USB address of the device. Reset clears these
bits.
Address: $0038
Bit 7654321Bit 0
Read:
USBEN UADD6 UADD5 UADD4 UADD3 UADD2 UADD1 UADD0
Write:
Reset: 0*0000000
* USBEN bit is reset by POR or LVI reset only.
Figure 9-15. USB Address Register (UADDR)