1
2
3
4
5
6
59.GPS
60.WIFI/BT BB
61.WIFI/BT RF
62.Reserved
63.NFC
64.RESERVED
65.RESERVED
66.ANT Match
67.MAIN ANT Tuner
68.DRX ANT Tuner
69.Reserved
AP SCHEMETIC
1. Contents
2. PM8940 Control and MPP/Clock
3. PMI8952 Charge
4. PMI8952 Power and Control
5. PM8940 SMPS
6. PM8940 LDO
7. PM8940 CODEC
8. MSM8940 Control
9. MSM8940 EBI
10. MSM8940 GPIO
11. MSM8940 MIPI and RF Control
12. MSM8940 Power1
13. MSM8940 Power2
14. MSM8940 GND
15. eMMC and LPDDR3
16. Battery/USB IF.
17. Speaker
18. MIC
19. Earphone
20. LCD/CTP IF.
21. Camera IF.
22. Sensor
23. SIM/TF IF.
24. Sidekey
25. Reserved (CTP IF.)
26. Test Points
27. NFC (PN548)
28. Fingerprint Module IF.
29. Shielding
30. Sub PCB IF.
A
B
C
D
31.RF Interface
32.RESERVED
33.Main Antenna Switcher
34.RESERVED
35.RESERVED
36.RESERVED
37.QFE2320(MMPA)
38.Circuit of MMPA
39.TRX_B1
40.TRX_B8
41.TRX_B5
42.TRX_B3/GSM1900
43.RESERVED
44.RESERVED
45.DRX LNA B3/B26
46.RESERVED
47.TRX_B41
48.RESERVED
49.RESERVED
50.RESERVED
51.DRX LNA B41/B1
52.DRX_B1/B3/B26
53.RESERVED
54.DRX_B41
55.DRX_ANT_SWITCH
56.WTR4905
57.RESERVED
58.ET_APT
A
B
C
D
1
2
3
4
5
6
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2. PM8940 Control and MPP/Clock
PM_XO_THERM
4
N
I
-
H
T
1
3
/
D
N
G
T
U
O
H
T
-
2
X201
GND_XOADC
TP204
XTAL_19M_IN
XTAL_19M_OUT
KYPD_PWR_N
SYSOK_PMI8952
PM_PON_RESET_N
PS_HOLD
PM_RESIN_N
SPMI_CLK
SPMI_DATA
WTR0_XO_CLK
WCN_XO_CLK
WTR1_XO_CLK
BBCLK_MSM_EN
BB_CLK
VREG_L16_1P8
PM_XO_THERM
R201
R206
C
D
CAD NOTE£ºPlace C201 close to X201 and connect
A
O
X
cap GND through dedicated via to GND plane
_
D
N
G
1
0
2
C
I
O
S
O
X
_
D
N
G
S
S
G
1
0
2
G
S
S
S
G
6
0
2
G
S
85
3
2
102
143
182
129
128
115
75
62
42
40
43
26
6
44
119
109
1
13
NC_WLP_TST1
XTAL_19M_IN
XTAL_19M_OUT
U201
KYPD_PWR_N
PON_1
PON_RESET_N
PS_HOLD
RESIN_N
CBL_PWR_N
SPMI_CLK
SPMI_DATA
RF_CLK1
RF_CLK2
LN_BB_CLK
BB_CLK1_EN
BB_CLK1
BB_CLK2
XO_THERM
GND_XOADC
GND_XO_ISO_1
GND_XO_ISO_2
6
f
o
1
e
c
a
f
r
e
t
n
I
K
H
AVDD_BYP
GND14
VPH_PWR
VCOIN
OPT_1
PA_THERM
DNC
VREF_LPDDR
SLEEP_CLK1
GND_XO
GND_RFCLK
REF_BYP
GND_REF
127
81
63
132
87
122
76
123
74
14
15
59
58
AVDD_BYP
C205
GND_AVDDBYP
SG205
S G
S
VPH_PWR
C206
R208
VREG_L16_1P8
PA_THERM
VREF_LPDDR3
SLEEP_CLK
REF_BYP
4
0
2
C
1
F
E
R
_
D
N
G
S
O
X
_
D
N
G
S
2
0
2
G
S
S
G
3
0
2
G
S
S
G
Do not share GND_XO_ISO with other grounds
Place RT201 in a thermally quiet area.
VREG_L16_1P8
CAD NOTE: Create separate GND islands for PMIC and CODEC GND balls
and star route them to GND plane. Remaining are PMIC GND balls.
3
0
2
R
MSM_THERM
T
1
0
2
T
R
UIM_BATT_ALM
TP201
MPP_01
MPP_02
MPP_03
MPP_04
22 GPIO_01
38
GPIO_02
50
GPIO_03
36
GPIO_04
49
GPIO_05
25
GPIO_06
141
GPIO_07
152
GPIO_08
GPIO Interface 2 of 6
U201
137
151
131
89
VDD_PX_BIAS_MPP
CHG_THERM
VREF_DAC_MPP
MSM_THERM
NC_1
NC_2
NC_3
142
138
136
57 GND1
71
GND2
72
GND3
73
GND4
83
GND5
84
GND6
86
GND7
97
GND8
98
GND9
99
GND10
100
GND11
110
GND12
114
GND13
U201
6
f
o
6
e
c
a
f
r
e
t
n
I
D
N
G
A
B
C
D
A
B
C
D
1
2
3
4
5
6
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3. PMI8952 Charge
A
B
C
D
VBUS_USB_IN
USB_HS_DN_DET
USB_HS_DP_DET
USB_PHY_ID
SYSON
R308
VBUS_USB_IN
VREG_L5_1P8
CHG_VBAT
BAT_ID
PMI8952_VBIAS
BAT_THERM
PMI_CS_N
PMI_CS_P
BATT_NEG
BATT_PLUS
VREG_L5_1P8
R310
4
1
3
C
3
0
3
C
1
0
3
C
142 USB_IN1
143
USB_IN2
144
USB_IN3
U301
3
f
o
2
e
c
a
f
r
e
t
n
I
E
G
R
A
H
C
123
111
80
101
81
140
104
88
100
92
55
102
124
86
97
73
61
74
62
42
122
78
79
99
109
115
USB_DM
USB_DP
USB_ID
USB_CS
WIPWR_DIV2_EN
WIPWR_CHG_OK
DC_SNS
DC_EN
USB_EN
USB_SNS
SHDN_N
CHG_EN
CHG_VBAT_SNS
BATT_ID
BATT_THERM
CS_MINUS
CS_PLUS
BATT_MINUS
BATT_PLUS
VDD_MSM_IO
GND_REF_CHG
GNDC14
GNDC15
GNDC16
GNDC17
GNDC18
G
F
_
D
N
G
USB_MID1
USB_MID2
USB_MID3
GND_CHG1
GND_CHG2
GND_CHG3
FLASH_OUT1
FLASH_OUT2
FLASH_OUT3
BOOT_CAT
VSW_CHG1
VSW_CHG2
VSW_CHG3
VSW_CHG4
VSW_CHG5
VSW_CHG6
VSW_CHG7
VSW_CHG8
VPH_PWR1
VPH_PWR2
VPH_PWR3
VPH_PWR4
CHG_OUT1
CHG_OUT2
CHG_OUT3
CHG_OUT4
CHG_LED
WIPWR_RST_N
PGOOD_SYSOK
BUA
USB_ID_RVAL1
USB_ID_RVAL2
R_BIAS
V_ARB
VAA_CAP
GND_FG
SYSON
130
131
132
128
129
141
94
95
96
105
106
107
108
116
117
118
119
120
114
127
138
139
113
125
126
137
91
89
103
43
90
112
85
135
98
110
93
2
1
3
C
0
1
3
C
GND_CHG
SG302
S G
S
VIN_FLASH_PWR
C311
C316
8
0
3
C
L301
2
0
3
D
2
1
VPH_PWR
9
0
3
C
8
1
3
C
GND_CHG
1
0
3
D
1
2
C306
C307
GND_FG
VBAT
SYSOK_PMI8952
UIM_BATT_ALM
PMI8952_VBIAS
SG304
S G
S
SYSON
C305
C315
VREG_L16_1P8
4
1
3
R
CHG_THERM
T
1
0
3
T
R
A
B
C
D
1
2
3
4
5
6
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4. PMI8952 Power and Control
CAD NOTE£ºPlace C412 and C416 close to U301 pin6
SG401 close C412 and C416 to GND plane
VPH_PWR
VIN_FLASH_PWR
VPH_PWR
Place C408 close to PIN3
VREG_L5_1P8
C408
C409
C410
VPH_PWR
Analog output
60 VDD_TORCH
72
84
7
8
28
3
25
15
26
30
51
11
12
48
36
23
37
52
64
70
VDD_FLASH1
VDD_FLASH2
VDD_WLED
GND_WLED
VDD_DIS_P
VDD_DIS_N
VDD_1P8_DIS_N
DIS_N_CAP_REF
GND_DIS_N_REF
WLED_CABC
DIS_SCTRL
HAP_PWM_IN1
HAP_PWM_IN2
VDD_HAP
GND_HAP
GNDC19
GNDC20
GNDC21
GNDC22
GNDC23
U301
3
f
o
3
e
c
a
f
r
e
t
n
I
D
E
L
W
_
G
E
R
FLASH_LED1
FLASH_LED2
VREG_WLED
VSW_WLED
GND_WLED_I
WLED_SINK1
WLED_SINK2
WLED_SINK3
WLED_SINK4
VDIS_P_FB
VDIS_P_OUT
GND_DIS_P
VSW_DIS_P1
VSW_DIS_P2
VDIS_N_FB
VDIS_N_OUT1
VDIS_N_OUT2
VSW_DIS_N1
VSW_DIS_N2
HAP_OUT_P
HAP_OUT_N
71
83
6
9
31
21
20
32
33
29
5
4
16
17
27
1
13
2
14
35
24
I
F
E
R
_
N
S
D
_
D
N
G
S
I
N
S
D
_
D
N
G
D
E
L
W
_
D
N
G
S
GND_HAP
S
S
S
S
G
2
0
4
G
S
6
0
4
C
P
A
H
_
D
N
G
G
4
0
4
G
S
G
8
0
4
G
S
C416
C412
D401
2
1
GND_WLED
FLASH_LED_MAIN
L401
GND_WLED_I
SG401S G
S
LB401
1
2
C407
GND_WLED
C418
C417
VPH_PWR
C413
LED_A
LED_K1
LED_K2
C414
L402
C415
L403
LB402
1
2
LCD_VSP
SG405
S G
S
GND_DISP
VPH_PWR
LB403
1
2
LCD_VSN
C411
GND_DISN
SG403
S G
S
VIB_P
VIB_N
USB_THERM_NTC
No using parallel charging
NO
NO
MPP
MPP1
MPP2
MPP3
MPP4
ADC input
NO
NO
DI
PM_RESIN_N
SPMI_CLK
SPMI_DATA
KYPD_PWR_N
PM_PON_RESET_N
VREG_L16_1P8
R408
USB_THERM_NTC
FLASH_STROBE_NOW
VPH_PWR
C401
C402
C403
C404
GND_BYP
SG406
S G
S
GND_REF
SG407
S G
S
Digital output
NO
68 RESIN_N
38
39
134
SPMI_CLK
SPMI_DATA
KYPD_PWR_N
69
50
40
41
44
18
19
75
63
22
34
10
47
57
PS_HOLD
CLK_IN
NC1
NC2
NC3
NC4
NC5
GPIO_1
GPIO_2
MPP_1
MPP_2
MPP_3
MPP_4
VDD_ADC_LDO
VREG_ADC_LDO
DVDD_BYP
AVDD_BYP
REF_BYP
GND_REF
GNDC1
GNDC2
GNDC3
GNDC4
GNDC5
GNDC6
GNDC7
GNDC8
GNDC9
GNDC10
GNDC11
GNDC12
GNDC13
46
54
53
58
59
49
45
87
56
66
67
76
77
65
82
121
133
136
U301
3
f
o
1
e
c
a
f
r
e
t
n
I
L
O
R
T
N
O
C
A
B
C
D
A
B
C
D
1
2
3
4
5
6
4_PMI8952 Power and Control
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VREG_S1
VSW_S1_1
VSW_S1_2
VREG_S2
VSW_S2_1
VSW_S2_2
VSW_S3_1
VSW_S3_2
VSW_S3_3
VSW_S4_1
VSW_S4_2
VSW_S4_3
VREG_S5
VSW_S5_1
VSW_S5_2
VREG_S6
VSW_S6_1
VSW_S6_2
VSW_S6_3
VREF_NEG_S5
VREF_NEG_S6
64
51
52
88
90
91
153
165
177
10
23
37
116
157
158
101
155
168
180
130
113
U201
PM8940
6
f
o
3
e
c
a
f
r
e
t
n
I
1
G
E
R
V
39
VDD_S1
65 GND_S1_1
66
GND_S1_2
77
78
79
103
104
105
164
176
154
166
178
9
11
24
156
170
183
144
145
171
167
179
169
181
VDD_S2_1
VDD_S2_2
VDD_S2_3
GND_S2_1
GND_S2_2
GND_S2_3
VDD_S3_1
VDD_S3_2
GND_S3_1
GND_S3_2
GND_S3_3
VDD_S4
GND_S4_1
GND_S4_2
VDD_S5_1
VDD_S5_2
VDD_S5_3
GND_S5_1
GND_S5_2
GND_S5_3
VDD_S6_1
VDD_S6_2
GND_S6_1
GND_S6_2
VSW_S1
L502
3000mA
VSW_S2
L507
3000mA
VSW_S3
L503
2700mA
VSW_S4
L504
2500mA
The junction where S5/S6 traces branch off must be close to the pin.
L501
L506
3000mA
3000mA
5
1
5
C
6
1
5
C
7
1
5
C
8
1
5
C
9
1
5
C
1
3
5
C
2
3
5
C
3
3
5
C
4
3
5
C
VREG_S1_FB
VREG_S1_1P15
VREG_S2_FB
VREG_S2_1P15
VREG_S3_1P3
VREG_S4_2P05
VREG_S5_S6_FB
VREG_S5_S6_1P15
GND_S5_S6_FB
GND_S3
GND_S4
5. PM8940 SMPS
VPH_PWR
9
2
5
C
0
3
5
C
C506
C505
C501
C502
C503
C504
4
S
_
D
N
G
S
3
S
_
D
N
G
S
2
S
_
D
N
G
S
1
S
_
D
N
G
S
6
S
_
5
S
_
D
N
G
S
S
S
S
S
S
G
3
0
5
G
S
G
4
0
5
G
S
G
5
0
5
G
S
G
6
0
5
G
S
G
2
0
5
G
S
A
B
C
D
A
B
C
D
1
2
3
4
5
6
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6. PM8940 LDO
A
B
C
D
VREG_S3_1P3
VREG_S4_2P05
VPH_PWR
VPH_PWR
VREG_S4_2P05
111 VDD_L1_19_1
125
VDD_L1_19_2
139
117
34
35
19
33
46
17
28
31
16
VDD_L2_23_VREG_S3
VDD_L3
VDD_L4_5_6_7_16_VREG_S4_1
VDD_L4_5_6_7_16_VREG_S4_2
VDD_L8_11_12_17_22_1
VDD_L8_11_12_17_22_2
VDD_L8_11_12_17_22_3
VDD_L9_10_13_14_15_18_1
VDD_L9_10_13_14_15_18_2
VDD_L9_10_13_14_15_18_3
VDD_XO_RFCLK
VREG_L1
VREG_L2
VREG_L3
VREG_L4
VREG_L5
VREG_L6
VREG_L7
VREG_L8
VREG_L9
VREG_L10
VREG_L11
VREG_L12
VREG_L13
VREG_L14
VREG_L15
VREG_L16
VREG_L17
VREG_L18
VREG_L19
VREG_L22
VREG_L23
VREG_XO
VREG_RFCLK
124
140
118
20
21
61
48
47
30
32
18
60
29
27
41
8
45
12
126
7
112
4
5
U201
PM8940
6
f
o
4
e
c
a
f
r
e
t
n
I
2
G
E
R
V
1200mA
1200mA
1200mA
450mA
500mA
300mA
150mA
600mA
600mA
150mA
800mA
150mA
50mA
50mA
50mA
5mA
600mA
150mA
1200mA
300mA
300mA
VREG_XO
VREG_RF_CLK
9
2
6
C
0
3
6
C
9
0
6
C
0
2
6
C
1
2
6
C
7
2
6
C
3
1
6
C
4
1
6
C
2
2
6
C
1
3
6
C
4
2
6
C
7
1
6
C
8
1
6
C
9
1
6
C
8
0
6
C
5
2
6
C
6
2
6
C
8
2
6
C
Design Note:
PSEUDO CAPLESS LDOs:
GND_XO
L4*, L6, L8*, L9*, L10, L11*, L12, L14, L15, L17*, L18, L22, L23
L4*, L8*, L9*, L11*, L17*, still need validation as Pseudo-capless
L5, L7, L13, L16 have internal PMIC Loads and require local CAPs.
VDD_WTR_1P0
VREG_L2_1P2
VREG_L3_1P15
VDD_WTR_1P8
VREG_L5_1P8
VREG_L6_1P8
VREG_L7_1P8
VREG_L8_2P9
VREG_L9_3P3
VREG_L10_2P85
VREG_L11_SDC
VREG_L12_SDC
VREG_L13_3P075
VREG_L14_UIM1
VREG_L15_UIM2
VREG_L16_1P8
VREG_L17_2P85
VREG_L18_2P7
VREG_L19_1P35
VREG_L22_2P85
VREG_L23_1P2
A
B
C
D
1
2
3
4
5
6
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5
VREG_L5_1P8
VREG_S4_2P05
VREG_S4_2P05
6
Place C704 close to pin 148 and C709 close to pin 67.
VREG_EXT_CDC_SPKR
4
0
7
C
P
C
_
D
N
G
9
0
7
C
6
0
7
C
R711
Star-route from pin #135 and pin #162 to C710
L701
C721
C710
R713
R705
C722
GND_BOOST
GND_BOOST
5
0
7
C
3
1
7
C
GND_SPKR_PA
VPH_PWR
CDC_HPH_REF
CDC_HPH_L
CDC_HPH_R
CDC_HS_DET
7
1
7
C
8
1
7
C
120
CAD Note :GND_SPKR_PA should be routed for current 1A
GND_MIC
GND_BOOST1
GND_BOOST2
160
172
A
P
_
R
K
P
S
_
D
N
G
P
C
_
D
N
G
S
S
S
T
S
O
O
B
_
D
N
G
S
S
S
S
S
GND_BOOST
SG703
SG
S
MIC_IN1_N
G
2
0
7
G
S
G
5
GND
0
7
G
S
G
4
0
7
G
S
G
1
0
7
G
S
BOM Note:
Use PM8940 Boost
(Default)
SMT
DNI
L701/R713/R705/C722/C717
C710/C721
U702/L702/R711/R707/R701
D701/C731/C733
Use Ext Audio Boost
U702/L702/R711/R707/C731
/C733
L701/R713/R705/C722/C717
C710/C721/D701/R701
1
2
3
4
163
67
148
94
162
161
135
53
54
55
80
146
70
VDD_AUDIO_IO
VDD_HPH
VDD_CP
VDD_SPKR_PA
VREG_BOOST
VSW_BOOST
BOOST_SNS
HPH_REF
HPH_L
HPH_R
HS_DET
GND_CP
GND_CFILT
GND_SPKR_PA
106
107
121
56
69
108
95
82
96
92
93
174
175
149
150
173
159
147
133
134
68
SPKR_DRV_P
SPKR_DRV_M1
SPKR_DRV_M2
MIC1_IN_P
MIC1_IN_M
MIC2_IN
MIC3_IN
MIC_BIAS1
MIC_BIAS2
EARO_P
EARO_M
PDM_CLK
PDM_SYNC
PDM_TX
PDM_RX0
PDM_RX1
PDM_RX2
CP_C1_P
CP_C1_M
CP_VNEG
VNEG_HPH
U201
PM8940
6
f
o
5
e
c
a
f
r
e
t
n
I
C
D
C
7. PM8940 CODEC
SPKR_OUT_P
SPKR_OUT_M
MIC_IN1_P
MIC_IN1_N
MIC_IN2_P
MIC_IN3_P
MIC_BIAS1
R702
R703
CDC_EAR_P
CDC_EAR_M
CDC_PDM_CLK
CDC_PDM_SYNC
CDC_PDM_TX
CDC_PDM_RX0
CDC_PDM_RX1
CDC_PDM_RX2
C703
LB703
7
0
7
C
8
0
7
C
GND_CP
Ext Audio PA Boost
D701
2
1
R701
L702
A
B
C
D
VPH_PWR
VREG_S4_2P05
1
3
7
C
7
0
7
R
A3
B3
C1
C2
2
1
U702
TPS61256A_FAN48610
VIN
B1
B2
SW1
SW2
VREG_EXT_CDC_SPKR
EN
GND1
GND2
VOUT1
VOUT2
GND3
A1
A2
C3
3
3
7
C
3
4
5
6
A
B
C
D
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1
2
3
4
5
6
8. MSM8940 Control
A
B
C
D
BB_CLK
BBCLK_MSM_EN
SLEEP_CLK
PM_PON_RESET_N
MSM_RESOUT_N
C807
PS_HOLD
JTAG_RESOUT_N
JTAG_TCK
JTAG_TDI
JTAG_TDO
JTAG_TMS
JTAG_TRST_N
VREF_LPDDR3
TP801
TP802
3
0
8
C
BD13 WLAN_XO
AA40
W40
AR40
CXO
CXO_EN
SLEEP_CLK
AH37
BA4
RESIN_N
RESOUT_N
T37
U38
Y39
Y3
AB3
AB1
Y1
AC2
AA2
G14
MODE_0
MODE_1
PS_HOLD
SRST_N
TCK
TDI
TDO
TMS
TRST_N
EBI_VREF
AF39
R2
R40
T39
GND1
DNC1
DNC2
DNC3
U801
SDC1_RCLK
SDC1_CLK
SDC1_CMD
2
1
f
o
1
e
c
a
f
r
e
t
n
I
1
C
S
I
M
SDC1_DATA_0
SDC1_DATA_1
SDC1_DATA_2
SDC1_DATA_3
SDC1_DATA_4
SDC1_DATA_5
SDC1_DATA_6
SDC1_DATA_7
SDC2_CLK
SDC2_CMD
SDC2_DATA_0
SDC2_DATA_1
SDC2_DATA_2
SDC2_DATA_3
USB_HS_DM
USB_HS_DP
USB_HS_ID
USB_HS_REXT
USB_HS_VBUS
SPMI_CLK
SPMI_DATA
L38
G38
H39
G40
H37
E38
J40
F37
F39
J38
K37
W4
U4
W2
V1
V3
U2
AE40
AD39
AB39
AC38
AC40
AH39
AG40
CAD NOTE: Place R802 close to MSM pin
R802
SDC1_RCLK
SDC1_CLK
SDC1_CMD
SDC1_DATA_0
SDC1_DATA_1
SDC1_DATA_2
SDC1_DATA_3
SDC1_DATA_4
SDC1_DATA_5
SDC1_DATA_6
SDC1_DATA_7
CAD NOTE: Place R808 resistor close to MSM
R808
R805
SDC2_SDCARD_CLK
SDC2_SDCARD_CMD
R803
R804
R806
R807
SDC2_SDCARD_D0
SDC2_SDCARD_D1
SDC2_SDCARD_D2
SDC2_SDCARD_D3
SOC_USB_DN
SOC_USB_DP
USB_HS_REXT
R801
CAD NOTE: Place R801 resistor close to MSM
SPMI_CLK
SPMI_DATA
4
0
8
C
5
0
8
C
CAD NOTE: SPMI should be well shielding and protected from MSM to PM/PMI side
please star routing SPMI_CLK/DATA from MSM to PM/PMI respectively
1
2
3
4
5
6
A
B
C
D
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