3.10. H/W Sub System
3.10.1. RF Interface
A. RTR6250D(WCDMA_Tx, GSM_Tx/Rx)
MSM6250A controls RF part(RTR6250) using these signals.
• SBST,SBDT,SBCK : SBI I/F signals for control Sub-chipset
• PAON : Power AMP on RF part
• RX_I/Q,TX_I/Q : I/Q for T/Rx of RF
• TX_AGC_ADJ : control the gain of the Tx signal prior to the power amplifier
3. TECHNICAL BRIEF
- 42 -
Figure. Schematic of RF Interface of MSM6250A
JTAG
RF
BLUETOOTH
C246
33nF
R216
2K
VREG_MSMP_2.7V
0.01u
C245
1K
R215
VREG_MSMP_2.7V
C247
0.1u
TP_TCXO_EN
Y25
Q_IP_CH0
Y26
W26
Q_IM_CH0
I_IP_CH0
W21
I_IP_CH1(Reserved)
V21
I_IM_CH1(Reserved)
V25
Q_IM_CH1(Reserved)
U21
Q_IP_CH1(Reserved)
U23
I_IM_CH0
ANT_SEL1_N_GPIO[10]
T23
ANT_SEL0_N_GPIO[9]
R19
GSM_PA_PWR_CTL
P26
GRFC[13]_GPIO[82]
K23
TX_AGC_ADJ
L14
GRFC[14]_GPIO[83]
J25
GRFC[12]_GPIO[81]
J26
GRFC[11]_GPIO[80]
K19
H15
RTCK
H16
PA_RANGE[0]_GP_PDM[1]
H17
TX_VCO_1_EN_N_GPIO[7]
H10
GRFC[10]_TX_ON
H12
TRK_LO_ADJ
H14
TRST_N
BT_TX_RN_N_GPIO[21]
G21
BT_CLK_GPIO[25]
G23
TMS
F15
F16
TDO
TCXO_EN_GPIO[94]
F18
BT_SBST_GPIO[24]
F23
BT_SBDT_GPIO[22]
E25
BT_SBCK_GPIO[23]
E26
UHF_BAND_SEL_GPIO[6]
F10
BT_DATA_GPIO[20]
D26
GSM_PA_BAND_GPIO[5]
D9
TX_VCO_0_EN_N_GPIO[8]
D11
TDI
D15
TCK
D16
ANT_SEL2_N_GPIO[11]
B4
UHF_VCO_0_EN_GPIO[3]
B8
B13
Q_OUT
I_OUT
B14
PA_ON[0]
B19
GSM_PA_PWR_CTL_REF
AD26
GSM_PA_EN_GPIO[4]
A8
Q_OUT_N
A13
I_OUT_N
A14
PA_RANGE[1]_GP_PDM[2]
A20
51K
R218
51K
R217
51K
R220
R221
51K
R222
TX_IM
TX_QM
51K
GSM_PA_EN
BT_SBCK
BT_SBDT
GSM_PA_BAND
BT_DATA
JTAG_TCK
JTAG_TDI
GSM_TX_VCO_0_EN_N
ANT_SEL2
PA_ON
TX_IP
TX_QP
PA_R0
JTAG_RTCK
JTAG_TRST_N
RF_ON_TX_ON
GSM_TX_VCO_1_EN_N
BT_CLK
BT_TX_RX_N
BT_SBST
TCXO_EN
JTAG_TDO
JTAG_TMS
FOLDER_DETECT
HOOK_SENSE_H
RX_IP
RX_QM
RX_QP
ANT_SEL0
ANT_SEL1
RX_IM
TX_AGC_ADJ
TRK_LO_ADJ
Summary of Contents for U310
Page 3: ... 4 ...
Page 20: ...3 TECHNICAL BRIEF 21 ...
Page 33: ...3 TECHNICAL BRIEF 34 Figure 3 5 10 1 Bluetooth system architecture ...
Page 47: ...3 TECHNICAL BRIEF 48 Figure PM6650 2M Functional Block Diagram ...
Page 72: ...4 TROUBLE SHOOTING 73 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH ...
Page 76: ...4 TROUBLE SHOOTING 77 ...
Page 90: ...4 TROUBLE SHOOTING 91 ...
Page 110: ...4 TROUBLE SHOOTING 111 CN501 C537 C538 MSM6250A ...
Page 116: ...4 TROUBLE SHOOTING 117 C216 C217 for MIC serial capacitor MSM6250A ...
Page 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND ...
Page 149: ... 150 8 pcb layout ...
Page 150: ... 151 8 pcb layout ...
Page 151: ... 152 8 pcb layout ...
Page 152: ... 153 8 pcb layout ...
Page 153: ... 154 ...
Page 160: ...9 Calibration RF Auto Test Program 161 9 3 1 Example for Calibration Click START U310 ...
Page 163: ... 164 ...
Page 187: ...Note ...
Page 188: ...Note ...