- 61 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. RF Circuit Technical Brief
Features
Bluetooth 2.1 compliant with enhanced data rate support
Class 1 capable with built-in PA
Programmable output power control meets class1, class2 and class3 requirements
Use supply voltages up to 5.5V
Internal OR gate TCXO control
Fractional-N synthesizer supports frequency references from 12MHz to 40MHz
Automatic frequency detection for standard crystal and TCXO values
Lower power consumption
Standard PCB and module package types available
ART7TDMI-S- based microprocessor with integrated ROM and RAM
Supports mobile and PC applications without external memory.
BLUETOOTH
2V85_VBT
2.2u
C317
C313
10p
UART _BT_RX
C312
2.2u
E5
VSS7
E6
VSS8
VSS9
F1
J4
XTAL_N
XTAL_P
J5
XTAL_PD_GPIO5_TX_PU_TDO_TX_PU_
G9
H4
VDDXO
VREG1
A3
VREG2_VBAT
A2
B3
VREG_CTL
C2
VSS1
F2
VSS10
VSS11
F4
F5
VSS12
VSS13
F6
H2
VSS14
VSS15
H3
D2
VSS2
VSS3
D5
D6
VSS4
VSS5
E2
VSS6
E4
UART_RXD
B9
UART_TXD
B8
VCTRIFP
J2
A7
VDDC1
VDDC2
B7
A1
VDDIF
J1
VDDIFP
VDDLO
G1
VDDO1
H9
J9
VDDO2
G8
VDDO_USB
VDDPLL
G2
VDDR3V
A4
B2
VDDRF
VDDTF
B1
H1
VDDVCO
PCM_SYNC_TX_PU_TDO
D8
J3
RES
RFION
E1
C1
RFIOP
D1
RFTUNE
F9
RF_ACTIVE_GPIO4
RST_N
B4
SCL_TX_PU_TDO_N
A9
A8
SDA_TX_PU_TDO
TM0
J6
H6
TM1
TM2
H5
D4
TST1
A6
TX_CONFX_WLAN_ACTIVITY_GPIO2
UART_CTS_N
C8
C9
UART_RTS_N
U302
BCM2046SB1
BT_PRIORITY_STATUS_GPIO3
E9
B5
BT_WAKE_GPIO_0
H7
GPIO7_TX_PU_TDDN_TX_PU_TDO_USB
HOST_WAKE_USB_DETACH_GPIO_1
B6
HUSB_DN
J8
J7
HUSB_DP
A5
LPO_IN
PA_CTL_GPIO6_TX_PU_TDD_TX_PU_T
H8
F8
PCM_CLK_SCK
PCM_IN_SPDIF_IF_SD_IN
E8
D9
PCM_OUT_SPDIF_OUT_SD_OUT
C320
470p
FL302 LFB212G45SG8A166
GND1 GND2
IN OUT
UART_BT_TX
UART _BT_RTS
UART _BT_CTS
2V62_VIO
2V62_VIO
150K
R324
L300
100p
C321
DNI
C319
2.2u
C316
BT_REG_ON
0.1u
C309
TP302
ANT402
1
2
L427
1nH
C310
2.2u
CLK32K
BT_VCXO_EN
26M_BT
UART_BT_TX
UART_BT_RX
BT_WAKEUP
BT_HOST_WAKEUP
BT_PCM_IN
BT_PCM_SYNC
BT_PCM_CLK
BT_PCM_OUT
BT_RESET_N
UART_BT_RTS
UART_BT_CTS
BT_REG_ON
To Next Page
Loading...
