LG GT500 - Page 28

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL DESCRIPTION
Figure 3-1-8. Schematic of DB3200 USB block
Figure 3-1-9. Schematic of USB Transceiver
J2
USB_SE0_VM
USB_DAT_VP
K2
USB_OE
L3
ACC_GPIO_4
K8
F1
ACC_GPIO_5
ACC_GPIO_6
J8
G3
ACC_GPIO_7
H3
ACC_GPIO_8
ACC_GPIO_9
G2
G4
L8
ACC_GPIO_2
G1
ACC_GPIO_3
J3
ACC_GPIO_0
ACC_GPIO_1
K3
ACC_GPIO_10
H9
E1
ACC_GPIO_11
ACC_GPIO_12
H10
D1
ACC_GPIO_13
ACC_GPIO_14
F3
D4
ACC_GPIO_15
ACC_GPIO_16_USBPRB
C3
G5
ACC_GPIO_17
ACC_GPIO_18
E4
ACC_USB_HS_STP
USB_DATA(0)
USB_DATA(1)
USB_DATA(2)
ACC_USB_HS_IN_CLK
ACC_USB_HS_NXT
ACC_USB_HS_DATA(4)
ACC_USB_HS_DATA(5)
ACC_USB_HS_DATA(6)
ACC_USB_HS_DATA(7)
ACC_USB_HS_DIR
ACC_UART3_RX
ACC_UART3_TX
ACC_UART3_CTS
ACC_UART3_RTS
ACC_GP_USB_CS
ACC_GPS_START
ACC_USB_HS_DATA(3)
ACC_UART0_RX
ACC_UART0_TX
USB Transceiver
10V
High Speed USB Interface
1%
TP501
TP502
0R655
VDDE_1V8
R509
1K
51K
R500
C515 0.1u C514 0.1u
R641
0
TP500
12KR510
4.7uC516
RREF
STP
D6
TEST
C4
F4
VBUS
VCC
F3
B5
VCC_IO1
VCC_IO2
B2
F5
XTAL1
XTAL2
F6
B6
C6
DATA7
E5
DIR
DM
C1
D1
DP
FAULT
E2
GND1
C5 D2
GND2 GND3
E4
D3
ID
NC1
F1 F2
NC2
D5
NXT PSW_N
D4
E6
REF1V8
E3
REG3V3
C2
CFG0
E1
B4
CFG1
CFG2
B3
CHIP_SEL
C3
A4
CLOCK
DATA0
B1
A1
DATA1
DATA2
A2
A3
DATA3
DATA4
A5
A6
DATA5
DATA6
ISP1508AET
U502
C513
0.1u
2.2uC517
0.1u
C500
4.7u
C501
4.7u
C512
VBAT
ACC_USB_HS_NXT
ACC_USB_HS_STP
USB_XTAL1
VBUS
USB_DP
USB_DM
ACC_GP_USB_CS
ACC_USB_HS_IN_CLK
USB_DATA(0)
USB_DATA(1)
USB_DATA(2)
ACC_USB_HS_DATA(3)
ACC_USB_HS_DATA(4)
ACC_USB_HS_DATA(5)
ACC_USB_HS_DATA(6)
ACC_USB_HS_DATA(7)
ACC_USB_HS_DIR