Highly Integrated Full Featured Hi-Speed USB 2.0 ULPI Transceiver
Datasheet
FIELD NAME
BIT
ACCESS
DEFAULT DESCRIPTION
ChargerPullupEnDM
5
rd/w/s/c
0b
Enables a Pull-up for USB Charger Detection when
set on the DM pin. (The pull-up is automatically
enabled in UART mode)
USB RegOutput
7:6
rd/w/s/c
00b
Controls the output voltage of the VBAT to VDD33
regulator in USB mode. When the transceiver is in
Synchronous Mode, Serial Mode, or Low Power
Mode, the regulator output will be the value specified
in this register.
00: 3.3V (default)
01: 3.0V
10: 2.75V
11: 2.5V
Revision 1.0 (07-14-09)
SMSC USB3320
DATA7S2HEET