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3. TECHNICAL BRIEF
600-1
M6275_A
LGE Internal Use Only
XMEM1_CS_N3_SDRAM1_CS_N1_GPIO77
UART3_RFR_N_GPIO87
UART2_DP_RX_DATA_GPIO89
SYNTH0_GP_PDM0_GPIO92
SBST1_GPIO93
TX_AGC_ADJ
TRK_LO_ADJ
TCXO_EN_GPIO94
PA_ON0
Q_OUT_N
Q_OUT
I_OUT_N
I_OUT
DAC_REF
Q_IM_CH1
Q_IP_CH1
I_IM_CH1
I_IP_CH1
Q_IM_CH0
Q_IP_CH0
I_IM_CH0
I_IP_CH0
GP_PDM2_PA_RANGE1
GP_PDM1_PA_RANGE0
TRST_N
TCK
TMS
TDI
TDO
RTCK
AUX_PCM_CLK_GRFC14_GPIO80
AUX_PCM_DIN_GRFC13_GPIO14
AUX_PCM_DOUT_GRFC12_GPIO103
AUX_PCM_SYNC_GRFC11_GPIO102
TX_ON_GRFC10
GRFC8_GPIO11
GRFC7_GPIO10
GRFX6_GPIO9
GRFC5_AUX_SBST_GPIO8
GRFC4_AUX_SBCK_GPIO7
GRFC3_GPIO6
GRFC2_GPIO5
GRFC1_AUX_SBDT_GPIO4
GRFC0_GPIO3
BT_CLK_GPIO25
BT_SBST_GPIO24
BT_SBCK_GPIO23
BT_SBDT_GPIO22
BT_TX_RX_N_GPIO21
BT_DATA_GPIO20
MDDIC_DATP
MDDIC_DATN
MDDIC_STBP
MDDIC_STBN
C646
Place near
0.1u
MSM pin AD26
10%
(Check CAM_DATA PINOUT !!!!)
Figure. Schematic of RF Interface of MSM6275
- 52 -
Y6
EAR_SENSE_N
L25
H6
F18
H18
H13
L13
F19
TCXO_EN
F17
PA_ON
(WCMDA 2100PAM Enable)
A12
TX_Q_M
B12
TX_Q_P
A13
TX_I_M
B13
TX_I_P
F12
DAC_REF
W23
V23
V25
W25
AA25
Y25
AB25
AC25
D17
H17
H15
MSM_TRST_N
D16
MSM_TCK
F15
MSM_TMS
D15
MSM_TDI
A17
MSM_TDO
H16
MSM_RTCK
K19
N21
G4
J8
H12
TX_ON
B4
ANT_SEL2
T23
ANT_SEL1
T19
ANT_SEL0
D11
GSM_TX_VCO_0_EN_N
H10
GSM_TX_VCO_1_EN_N
F10
D9
GSM_PA_BAND
A8
B8
G23
HPIEV_IT_STATE_ETMTRIGIN
F23
HPI_EME_APE_ETMPSTA2_XTIDAT
E26
HPI_EME_MOD_ETMPSTA1_XTIDAT
E25
H21
HPI_IT_MOD_ETMSYNCA_XTIDAT
R19
HPI_IT_APE_ETMPSTA0_XTIDAT
A22
A23
B22
B23
Copyright © 2007 LG Electronics. Inc. All right reserved.
Near to MSM
1K
R607
TX_AGC_ADJ
2K
R608
TRK_LO_ADJ
C644
C645
0.01u
33nF
VREG_MSMP_2.7V
RX0_Q_M
RX0_Q_P
RX0_I_M
RX0_I_P
(WCMDA PAM MODE)
W_VMODE_N
GSM_PA_EN
Only for training and service purposes
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