Novatel Wireless NRMUNDP-1D 사용자 설명서
80-VF329-3 Rev. C
23
QUALCOMM Confidential and Proprietary
MAY CONTAIN U.S. EXPORT CONTROLLED INFORMATION
5 Platform Communications
The main communications port between the host computer and the UNDP-1 platform
(
(
) is the high-speed USB interface. This two-wire interface enables software
downloads of boot, modem, and applications images, allows UNDP-1 status
communications, and provides the control link from the host computer to the UNDP-1
platform. An off-chip USB transceiver (the USB ULPI PHY) is used to coordinate USB
communications between the MDM1000 IC and the host computer.
communications, and provides the control link from the host computer to the UNDP-1
platform. An off-chip USB transceiver (the USB ULPI PHY) is used to coordinate USB
communications between the MDM1000 IC and the host computer.
Figure 5-1
UNDP-1 communication interfaces
USB
USB
ULPI
PHY
LED_WWAN
MDM1000
PM6653
status &
control
m
ini
c
a
rd
e
d
ge c
o
n
nec
to
r
42
USIM
LED driver
UIM_PWR
8
UIM_DATA
10
UIM_CLK
12
UIM_RST_N
14
VREG_RUIM
level
translators
USB_D_N
36
USB_D_P
38