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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
USB
The MSM6280 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
MSM6280 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
MSM6280.
GPIO_Map
Name
Note
GPIO_96
UART_RXD
Data_Rx
GPIO_95
UART_TXD
Data_Tx
[Table 3.6] UART Interface
[Table 3.7] USB Signal Interface
Name
Note
USB_DAT
Data to/from ESM
USB_SE0
Data to/from ESM
USB_OE_N
Out-Put Enable of Transceiver
USB_VBUS
USB_Power From Host(PC)
USB_D+
USB Data+ to Host
USB_D-
USB Data- to Host
UART3_DP_TX_DATA_GPIO84
M19
USB_DAT_VP
N26
N25
USB_OE_TP_N
USB_SE0_VM
N23
M16
MMC_CMD_GPIO30
H14
L14
MMC_DATA_SDCC_DAT0_GPIO32
GPIO40
D6
D7
GPIO42
MICROSD_DATA(0)
MICROSD_CMD
USB_OE_N
USB_SE0
USB_DAT
PS_HOLD
PM_INT_N
TOUCH_I2C_SDA
4.7u
C426
USB_VBUS
USB_D_M
20
GP1_DRV_N(MPP7)
21
12
USB_OE_N
13
VSW_5V
14
USB_CTL_N
15
USB_VBUS
16
USB_DAT
17
USB_D_P
18
19
USB_SE0
11
USB_ID
VREG_5V
47K
R412
USB_OE_N
USB_CNT_N
USB_DAT
USB_D+
USB_SE0
USB_D-
[Fig. 3.15] Schematic of USB block(MSM6280 Side & PM6650 Side)
Summary of Contents for KF700
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