Schematics
CONFIDENTIAL AND PROPRIETARY
COMPANY:
Spreadtrum communications, Inc.
Hardware DEPT.
DEPARTMENT:DESIGNER: DATED:
DATED:
EQA:
APPROVED: DATED:
TITLE & REV:
DOCUMENT NO.:
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12345
D
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B
A
6
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D
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LTR
REVISION RECORD
APPROVED: DATE:ECO NO:
Band info
TSX/TCXO compatible part list
NTC
LTE/WCDMA PAM
Mode R0611
TSX
TCXO
R0636,R0637 place near TRANCEIVER side ,differential placement
R0612,R0616 place near TRANCEIVER side ,differential placement
delete Backup GPS Clock
100K
X0600
TSX
Y7200
NF
R0629
NF
NFNF TCXO
Priority
1ST
2RD 1000PF
C0606
NF
Clock Mode
TSX
TCXO +32K
BoardID0
0
1
LPDDR Type
LPDDR3
LPDDR4X
BoardID1
0
1
BoardID2 Backup
0R
C7201
22PF
C7200
1UF
NFNF
TSX 26M
Placement refer to PCB Design Guide
Placement refer to PCB Design Guide
C2106
NF
1UF
C2106
100PF
NF
R7203
NF
0R
1.TSX is the default 26M selection
2.If select TCXO,place it far away RF transceiver is recommended
10K 10K
È¥µôÔ¤ÁôRF NTC
R0608 56K
¡ À1%
R0609 100K
C0625
10pF
C0627
4.7uF
C0628
1.0nF
C0629
10pF
L0600
NC
LB_TX
MB_TX
HB_TX
1
GND
2
GND
3
RFIN_H
4
NC
5
SDATA
6
SCLK
7
VIO
8
VBATT
9
NC
10
NC
11
NC
12
RFIN_M
13
RFIN_L
14
GND
15
GND
16
LB4
17
LB3
18
LB2
19
LB1
20
LB5
21
MB1
22
GND
23
MB2
24
GND
25
MB3
26
MB4
27
GND
28
VCC2_2
29
VCC1
30
VCC2
31
GND
32
B34/39
33
B38
34
GND
35
B7
36
GND
37
B40
38
GND
39
B41
40
GND
41
TRX1
42
TRX2
43
GND
44
GND
45
GND
46
GND
47
GND
48
GND
49
GND
50
GND
U0601
RF-PAM-SPM6743-12
C0630
47pF
C0631
10nH
L0602
NC
C0633
6.8nH
C0634
2.4nH
C0638
10pF
C0639
1.0nF
C0640
1.0uF
L0605
NC
L0606
1.5pF
L0607
NC
C0643
10pF
C0645
47pF
C0646
47pF
L0611
3.9pF
R0611 100K
C0608
NC
The rmist or
1
XT1
2
RT2(GND)
3
XT2
4
RT1
X0600
XTAL-CRY+THM-26M-OZ26000012
26MHz/9pF
R0636 0
R0637 0
R0612 0
R0616 0
R0620
150
R0621
150
C0689
1.0pF
C0688
22pF
C0602
10pF
C0603
100nF
C0600
10pF
C0607
10pF
C0615
10pF
C0619
10pF
C0617
10pF
C0620
10pF
C0616
1.0uF
R0619 27
R0604 10K R0605 NC
C0671 0
T
R0603
NTC-47KOHM-5%-0402
47K NTC
C0605
1.0uF
C0604
2.2uF
C0622
2.2uF
C0623
2.2uF
R0610 56K
C0618
4.7uF
C0621
100pF
MHB:1710~2700MHz
MHB:1710~ 2700MHz
LB:699~ 915MHz
MHB:1805~ 2700MHz
MHB:1805~2700MHz
LB:699~960MHz
LB:699~960MHz
MB:1805~2200MHz
MHB:1805~2700MHz
LB:699~960MHz
MHB:1805~2700MHz
MB:1805~2200MHz
LB:699~960MHz
TRANSCEIVER
RTC
SPI B
POWER
PRX
DRX
TX
PDET
BBA DL/UL
BBB DL/UL
NC
SPI A
CLK
GND
DECOUPLE
GND
U3
VDD1V8XO
E9
VDD1V8RX
N11
VDD1V8TX
M4
VDD1V8IO
D10
VDD1V2RX
P12
VDD1V2TX
M6
VDD1V1DIG
M12
CAP_TX
L17
PRX_L1
K16
PRX_L2
J17
PRX_L3
H16
PRX_L4
G17
PRX_M1
F16
PRX_M2
E17
PRX_M3
D16
PRX_M4
C17
PRX_H1
A17
PRX_H2
B16
PRX_H3
A15
PRX_H4
A13
NC
B14
NC
K2
DRX_L1
J1
DRX_L2
H2
DRX_L3
G1
DRX_M1
F2
DRX_M2
E1
DRX_M3
A1
DRX_M4
B2
DRX_H1
A3
DRX_H2
A5
DRX_H3
B4
DRX_H4
C1
NC
D2
NC
T8
TX_L1
U7
TX_L2
T12
TX_H1
U11
TX_H2
U9
NC
U13
NC
R17
NC
U17
TX_H4
T16
TX_H3
U15
NC
U5
PDET
T6
NC
H6
BBA_DL_PP
J7
BBA_DL_PN
J5
BBA_DL_DP
H4
BBA_DL_DN
K4
BBA_UL_PP
K6
BBA_UL_PN
H10
BBB_DL_PP
J11
BBB_DL_PN
K12
BBB_DL_DP
H12
BBB_DL_DN
J9
BBB_UL_PP
K8
BBB_UL_PN
N7
NC
N9
NC
L9
NC
L7
NC
M2
SPIA_LE
N1
SPIA_CLK
L1
SPIA_DATA
J13
SPIB_LE
J15
SPIB_CLK
K14
SPIB_DATA
R5
CK32K
R3
REFOUT1
P2
REFOUT2
T2
REFOUT3
T4
CLK_26M
U1
XO_P
R1
XO_N
A7
VSS
A11
VSS
B6
VSS
B10
VSS
B12
VSS
C3
VSS
C5
VSS
C7
VSS
C11
VSS
C13
VSS
C15
VSS
D4
VSS
D6
VSS
D12
VSS
D14
VSS
E3
VSS
E5
VSS
E7
VSS
E11
VSS
E13
VSS
E15
VSS
F4
VSS
F8
VSS
F10
VSS
F12
VSS
F14
VSS
G3
VSS
G9
VSS
G13
VSS
G15
VSS
J3
VSS
L11
VSS
L15
VSS
M10
VSS
N3
VSS
P4
VSS
P6
VSS
P8
VSS
P10
VSS
P16
VSS
R7
VSS
R9
VSS
R11
VSS
R13
VSS
R15
VSS
T10
VSS
T14
VSS
U0600
RF-TRANSCEIVER-SR3595D
M04002
47pF
M00702
2.0nH
M00701
10nH
M00703
NC
M04102
47pF
M04103
6.2nH
M04003
5.1nH
M00102
2.4nH
M00103
NC
M00202
2.7nH
M00203
NC
M00303
NC
M00302
5.1nH
MA2802
12pF
MA2801
6.8nH
MA2803
NC
M00502
18pF
M00501
6.8nH
M00503
NC
M00402
47pF
M00403
NC
M00802
47pF
M00801
8.2nH
M00803
NC
MB2802
3.3nH
MB2801
15nH
MB2803
NC
M01702
1.0nH
M01701
15nH
M01703
NC
M00301
1.2pF
M00101
0.5pF
M00201
0.5pF
M00401
NC
M04101
NC
M04001
NC
C0601
NC
C0606
NC
C0609
NC
C0610
NC
C0611
NC
C0612
NC
R00606 10K R0607 NC
BOARD_TEMP_ADC
[5]
VDDRF_1V8
BOARD_ID_ADC
[5]
VDDRF_1V8
VBAT
VDDWPA
VDD1V85
PCC_RFFE_SDA0
[9,11]
PCC_RFFE_SCK0
[9,11]
VDDWPA
RF_TX_HB_T/R_PAM
[8]
RF_TX_MB_T/R_PAM
[8]
RF_TX_LB_T/R_PAM
[8]
TRANS_26M_IN
[8]
GPS_TSEN_VREFP
[11]
GPS_TSEN_VREFN
[11]
XO_N
[8]
GPS_TSEN_IN
[11]
LVDS_ULP_P_RFA
[11]
LVDS_ULP_N_RFA
[11]
LVDS_DLD_P_RFA
[11]
LVDS_DLD_N_RFA
[11]
LVDS_DLP_P_RFA
[11]
LVDS_DLP_N_RFA
[11]
LVDS_ULP_P_RFB
[11]
LVDS_ULP_N_RFB
[11]
LVDS_DLD_P_RFB
[11]
LVDS_DLD_N_RFB
[11]
LVDS_DLP_P_RFB
[11]
LVDS_DLP_N_RFB
[11]
SCC_RFSEN
[11]
SCC_RFSCK
[11]
SCC_RFSDA
[11]
PCC_RFSEN
[11]
PCC_RFSCK
[11]
PCC_RFSDA
[11]
TRANS_26M_IN
[8]
XO_N [8]
AP_26M_IN
[11]
PMU_32K_IN
[5]
RF_TX_LB_GSM
[9]
RF_POWER_DET
[9]
RF_TX_LB_T/R_PAM
[8]
RF_TX_HB_T/R_PAM
[8]
RF_TX_HB_GSM/B34/B39
[9]
RF_TX_MB_T/R_PAM
[8]
VDDRF_1V8
VDDDCXO
VDDMEM
VDDRF_1V25
VDD1V85
BOARD_ID0
[11]
PAM_TX_FDD_B7
[9]
PAM_TRX_TDD_B41N_B38
[9]
PAM_TRX_TDD_B40
[9]
PAM_TX_FDD_B2
[9]
PAM_TX_FDD/W_B1
[9]
PAM_TX_FDD_B3
[9]
PAM_TX_FDD_B28A
[9]
PAM_TX_WCDMA_FDD_B5
[9]
PAM_TX_FDD_B4
[9]
PAM_TX_FDD_B28B
[9]
PAM_TX_FDD_B8
[9]
PAM_TX_FDD_B12/17/20
[9]
RF_B41_PRX_PA_1
[9]
RF_B40_PRX_PA_1
[9]
RF_RX_WCDMA_B2
[9]
RF_RX_FDD_B3
[9]
RF_RX_FDD_B7
[9]
RF_RX_FDD/W_B8
[9]
RF_RX_FDD/W_B5
[9]
RF_RX_B41/38
[9]
RF_RX_FDD/W_B1
[9]
RF_RX_FDD/W_B4[9]
RF_RX_FDD_B28A
[9]
RF_RX_FDD_B12/17/20
[9]
RF_RX_FDD_B28B[9]
RF_RX_B40
[9]
RF_DRX_FDD_B5/8
[10]
RF_DRX_FDD_B3/2
[10]
RF_DRX_B38/41/2
[10]
RF_DRX_FDD_B7
[10]
RF_DRX_FDD_B1/4[10]
RF_DRX_FDD_B28AB[10]
RF_DRX_FDD_B12/17/20/8
[10]
RF_DRX_FDD_B40
[10]
VDD1V85
BOARD_ID1
[11]