Only For Training And Service Purposes - LG CU575 Service Manual

3.12.2.3. USB
The MSM6260 device contains a Universal Serial Bus (USB) interface to provide an efficient interconnect
between the mobile phone and a personal computer (PC). The USB interface of the MSM6260 was
designed to comply with the definition of a peripheral as specified in USB Specification, Revision 1.1.
Therefore, by definition, the USB interface is also compliant as a peripheral with the USB Specification,
Revision 2.0. The USB Specification Revision 1.1 defines two speeds of operation, namely low-speed (1.5
Mbps) and full-speed (12 Mbps), both of which are supported by the MSM6260.
Name
USB_DAT
USB_SE0
USB_OE_N
USB_VBUS
USB_D+
USB_D-
Figure. Schematic of USB block(MSM6260Side & PM6650 Side)
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Note
Data to/from MSM
Data to/from MSM
Out-Put Enable of Transceiver
USB_Power From Host(PC)
USB Data+ to Host
USB Data- to Host
Table. USB Signal Interface
USB_OE_N
USB_CNT_N
USB_VBUS
USB_DAT
USB_D+
USB_SE0
USB_D-
R711
C722
1608
- 39 -
3. TECHNICAL BRIEF
14
15
16
17
18
19
20
21
47K
4.7u
USB_OE_N
VSW_5V
USB_CTL_N
USB_VBUS
USB_DAT
USB_D_P
USB_SE0
USB_D_M
GP1_DRV_N(MPP7)
LGE Internal Use Only