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Lenovo K920 Schematic Diagrams page 2

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5
BH12
[25,29]
NFC_eSE_SPI_MOSI
BF14
[25,29]
NFC_eSE_SPI_MISO
BF12
[25,29]
NFC_eSE_SPI_nCS0
D
BG13
[25,29]
NFC_eSE_SPI_CLK
C29
[26,27]
MSM_DEBUG_TX
D30
[26,27]
MSM_DEBUG_RX
C31
[2,18,24]
TS_I2C_SDA
E31
[2,18,24]
TS_I2C_SCL
BG11
BE13
BH10
[2,24]
SENSORS2_I2C_SDA
BE11
[2,24]
SENSORS2_I2C_SCL
AL3
[18]
DISP_TE
AJ3
[18]
DISP_HSYNC
AG3
[18]
LGD_DCDC_ENN
C7
[20]
CAM0_MCLK0
A7
[18]
LGD_DCDC_ENP
B8
[19]
CAM1_MCLK2
C11
[19]
CAM1_RST_N
F12
[2,20]
CAM0_I2C_SDA0
E11
[2,20]
CAM0_I2C_SCL0
G15
[2,19]
CAM1_I2C_SDA1
D10
[2,19]
CAM1_I2C_SCL1
E13
[21]
smart_pa_rst
B10
[11]
FLASH_LED_NOW
D12
[2,21]
Smart_pa_SDA
D14
[2,21]
Smart_pa_SCL
A11
[21]
smart_pa_int
E15
[25,29]
NFC_eSE_IRQ
F16
[2,25,29]
NFC_I2C_SDA
G17
[2,25,29]
NFC_I2C_SCL
AN3
C
AM4
AM2
[25,29]
NFC_SMX_nRST
AP4
[25,29]
NFC_PWR_REQ
D20
[25,28]
WCSS_BT_SSBI
G19
[25,28]
WCSS_WLAN_DATA_2
I2C Pull-up Resistors
VREG_LVS1_1P8
R201
R202
2.2K
2.2K
B
18,24]
TS_I2C_SDA
[2,20]
CAM0_I2C_SDA0
18,24]
TS_I2C_SCL
[2,20]
CAM0_I2C_SCL0
VREG_S3A_1P8
[2,25,29]
NFC_I2C_SDA
[2,25,29]
NFC_I2C_SCL
VREG_S3A_1P8
A
[2,26,27]
GASGAUGE_I2C_SDA
[2,26,27]
GASGAUGE_I2C_SCL
5
4
U100-4
MSM8974
GPIO1
A19
WCSS_WLAN_DATA_1
GPIO_0
GPIO_37
F18
WCSS_WLAN_DATA_0
GPIO_1
GPIO_38
F20
WCSS_WLAN_SET
GPIO_2
GPIO_39
E17
WCSS_WLAN_CLK
GPIO_3
GPIO_40
D18
WCSS_FM_SSBI
GPIO_4
GPIO_41
C19
FM_DATA
GPIO_5
GPIO_42
B18
BT_CTL
GPIO_6
GPIO_43
C21
BT_DATA
GPIO_7
GPIO_44
D16
GPIO_8
GPIO_45
B14
GPIO_9
GPIO_46
A15
GPIO_10
GPIO_47
C17
GPIO_11
GPIO_48
AA49
GPIO_12
GPIO_49
UIM2_DATA
AC49
UIM2_CLK
GPIO_13
GPIO_50
AE47
GPIO_14
GPIO_51
UIM2_RST
AH50
UIM_DETECT
GPIO_15
GPIO_52
B22
Redriver_en
GPIO_16
GPIO_53
D22
RCAM_PON
GPIO_17
GPIO_54
C23
GPIO_18
GPIO_55
A23
VER_GPIO0
GPIO_19
GPIO_56
C33
GPIO_20
GPIO_57
C35
GPIO_21
GPIO_58
MI2S_4_BCLK
D34
MI2S_4_WS
GPIO_22
GPIO_59
E35
MI2S_4_DIN
GPIO_23
GPIO_60
D36
MI2S_4_DOUT
GPIO_24
GPIO_61
D38
GPIO_25
GPIO_62
D40
CODEC_RESET_N
GPIO_26
GPIO_63
D48
AP_OUTDOOR_EN
GPIO_27
GPIO_64
G47
N.M.
TP222
GPIO_28
GPIO_65
F48
GYRO_INT1
GPIO_29
GPIO_66
H46
GPIO_30
GPIO_67
COMPASS_INT
H48
PROXI_INT_N
GPIO_31
GPIO_68
G49
CHG_STAT
GPIO_32
GPIO_69
J45
SLIMBUS_CLK
GPIO_33
GPIO_70
K46
GPIO_34
GPIO_71
SLIMBUS_DATA
L45
CODEC_INT1
GPIO_35
GPIO_72
K48
ACCEL_INT1
GPIO_36
GPIO_73
VREG_LVS2_1P8
VREG_LVS2_1P8
R203
R204
2.2K
2.2K
[2,19]
CAM1_I2C_SDA1
[2,19]
CAM1_I2C_SCL1
VREG_LVS1_1P8
R218
R217
2.2K
2.2K
[2,24]
SENSORS2_I2C_SDA
[2,24]
SENSORS2_I2C_SCL
VREG_LVS1_1P8
R207
R208
2.2K
2.2K
[2,24]
SENSORS1_I2C_SDA
[2,24]
SENSORS1_I2C_SCL
4
3
[25,28]
TP221
N.M.
[25,28]
[25,28]
[25,28]
[24]
HALL_INT2_N
[25,28]
[27]
AP_USB_SW
[25,28]
[24]
COMPASS_DRDY
[25,28]
[24]
HALL_INT1_N
[25,28]
[25,29]
NFC_DL_REQ
[18]
TS_INT_N
[2,26,27]
GASGAUGE_I2C_SDA
[2,26,27]
GASGAUGE_I2C_SCL
[18]
LCD_ID
[17,26]
[27]
FUEL_INT_N
[17,26]
[2,24]
SENSORS1_I2C_SDA
[17,26]
[2,24]
SENSORS1_I2C_SCL
[2,17]
[23]
[20]
CAM0_RST_N
[20]
SDC4_CMD
[19]
CAM_1_PWDN
[25,30]
VER_GPIO1
[25,30]
SDC4_CLK
[21]
CODEC_INT2
[18]
TS_RESET_N
[21]
[25,29]
NFC_IRQ
[21]
[21]
[17,26]
UIM1_DATA
[21]
[17,26]
UIM1_CLK
[17,26]
UIM1_RST
[21]
[2,17]
UIM_DETECT
[18]
TP209
[11]
BATT_REM_ALARM
[25,29]
NFC_VEN
[24]
[26]
FORCE_USB_BOOT
[24]
(PA_ON0/RF_SW_SEL1)
[25,35]
GRFC_0
[24]
(PA_ON1/ET_CAL_SEL2)
[25,35]
GRFC_1
[27]
[25,31]
GRFC_2
[21]
[25,35]
GRFC_3
[21]
TP202
[21]
N.M.
TP203
[24]
N.M.
Plug USB calbe in , and then press VOL_UP_N
to enter force USB boot mode
R205
R206
2.2K
2.2K
Note: Using GPIO_54/55/56/91 at frequencies greater than 100KHz or
GPIO_53/92 greater than 10MHz may degrade WLAN Tx EVM and
spectral emission mask performance ONLY when used concurrently with WCN.
R211
R212
2.2K
2.2K
VREG_S3A_1P8
R215
2.2K
[2,21]
Smart_pa_SDA
[2,21]
Smart_pa_SCL
R213
R214
2.2K
2.2K
3
2
VREG_S3A_1P8
U100-5
MSM8974
GPIO2
L47
BK18
GPIO_74
GPIO_110
L49
BH18
GPIO_75
GPIO_111
GRFC_8
M48
BF20
GPIO_76
GPIO_112
M46
BG19
BOOT_CONFIG[1]
GPIO_77
GPIO_113
M50
AW47
BOOT_CONFIG[2]
GPIO_78
GPIO_114
N45
AV48
BOOT_CONFIG[3]
GPIO_79
GPIO_115
R49
AY46
BOOT_CONFIG[4]
GPIO_80
GPIO_116
A31
AY48
Note1
GPIO_81
GPIO_117
D32
BE17
GPIO_82
GPIO_118
F32
BF18
GPIO_83
GPIO_119
E33
BA47
GPIO_84
GPIO_120
C41
BA45
GPIO_85
GPIO_121
D42
BB48
GPIO_86
GPIO_122
E47
BH46
GPIO_87
GPIO_123
H44
BF16
GPIO_88
GPIO_124
F26
BG15
GPIO_89
GPIO_125
C27
BD18
CH1_GSM_TX_PHASE_D1 (GPIO126)
GPIO_90
GPIO_126
D24
BH14
CH1_GSM_TX_PHASE_D0 (GPIO127)
GPIO_91
GPIO_127
D26
BK10
GPIO_92
GPIO_128
E27
BJ11
GPIO_93
GPIO_129
A27
BB46
GPIO_94
GPIO_130
C25
BD46
GPIO_95
GPIO_131
D28
BC47
GPIO_96
GPIO_132
AB46
BH16
GPIO_97
GPIO_133
AC45
BG17
GPIO_98
GPIO_134
Y50
BJ15
GPIO_99
GPIO_135
Y48
BK14
GPIO_100
GPIO_136
N.M.
AA47
BD20
GPIO_101
GPIO_137
AF2
BJ19
CH0_GSM_TX_PHASE_D1 (GPIO138)
GPIO_102
GPIO_138
AR47
BE19
CH0_GSM_TX_PHASE_D0 (GPIO139)
GPIO_103
GPIO_139
AR45
BC45
GPIO_104
GPIO_140
AT48
BE47
GPIO_105
GPIO_141
AT46
BG47
GPIO_106
GPIO_142
AU47
BF46
GPIO_107
GPIO_143
AU45
F10
GPIO_108
GPIO_144
AV46
C9
GPIO_109
GPIO_145
Handling Unused MSM pins ----From 80_NA437_5B
R219
2.2K
<Variant Name>
<Variant Name>
<Variant Name>
Lenovo
Lenovo
Lenovo
Title
Title
Title
Size
Size
Size
A3
A3
A3
Date:
Date:
Date:
2
1
NOTE 1
DEFAULT BOOT DEVICE = eMMC
BOOT_CONFIG[4:1] = 0b'0000
Note: Install R216 to disable
R216
the watchdog.
10K
N.M.
GRFC_9
[23,25,48]
GRFC_10
[23]
GRFC_11
[25,48]
TX_GTR_THRES
[11,21]
GRFC_13
[23]
GRFC_15
[25,31]
(1X_MRD_SEL/BCX_SW_SEL0)
GRFC_16
[25,52]
(PRX_SW_SEL0/RF_SW_SEL4)
GRFC_17
[25,52]
(PRX_SW_SEL1/RF_SW_SEL3)
GRFC_18
[25,52]
(DRX_SW_SEL2)
GRFC_19
[25,52]
GRFC_20
[23]
GRFC_21
[23]
GRFC_22
[25,34]
GRFC_23
[25,34]
EXT_GPS_LNA_EN
[25,57]
WTR0_SSBI1_TX_GPS
[25,40]
WTR0_SSBI2_PRX_DRX
[25,40]
WTR1_SSBI1_TX_GPS
[25,34]
WTR1_SSBI2_PRX_DRX
[25,34]
WTR0_GSM_TX_PHASE_D[1]
[25,40]
WTR0_GSM_TX_PHASE_D[0]
[25,40]
RFFE1_CLK
[25,42,43,44,48,49]
RFFE1_DATA
[25,42,43,44,48,49]
RFFE2_CLK
[23,25,32]
RFFE2_DATA
[23,25,32]
CHG_INT_N
[27]
K920
K920
K920
Document Number
Document Number
Document Number
Rev
Rev
Rev
P02. MSM8974 GPIO
P02. MSM8974 GPIO
P02. MSM8974 GPIO
0.11
0.11
0.11
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Sheet
Sheet
Sheet
2
2
2
of
of
of
58
58
58
1
D
C
B
A

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