Lenovo A278t schematic
6
12345
REVISION RECORD
LTR
APPROVED: DATE:ECO NO:
D
C
B
RF ANT
ANT102
ANT101
PA MODULE
[2]
RFCTRL10_PA_TXEN
RFCTRL15_CTRL2
[2]
RFCTRL14_CTRL1
[2]
[2]
RFCTRL12_CTRL0
VBAT
[4,7,8,9]
+
[1]ANT_CON
[1]
EGSM/GSM_RX
DCS_RX
[1]
PCS_RX
[1]
[1]
RF TRANSCEIVER
C152
U104
1
INPUT
1
2
3
4
Q3716LH01000900
C0402_2.2PF
L121
C117 C0402_2.2PF
10
GSMOUT2
9
GND
GSMOUT1
8
U103
DCSOUT2
7
DCSOUT1
FAR-G6KG-1G8425-Y4PA
6
GND
5
2
4
OUTPUT2
3
GND2
OUTPUT1
GND1
5
10
(1900M)_OUT2
INPUT
GND
(1900M)_OUT1
GND
U113
(2017.5M)_OUT2
GND
(2017.5M)_OUT1
GND
SAWFD1G90CA0F0A/B9821
GND
5
VDDRF0
[1,4]
C127
1
VCONT2GND
3
OUT4VCC
X110
C0402_100NF
L0402_15NH
[1]
[1]
VDDRF0
C147C0402_1UF
C0402_2.2PF
C157
L120
C0402_2.2PF
C156
L0402_5.6NH
C0402_2.2PF
C154
L125
C0402_2.2PF
C153
L0402_5.6NH
C0402_1.5PF
C115
9
L116
8
C0402_1.5PF
C114
C125
C126 C0402_100PF
L0402_5.6NH
C0402_1.5PF
C113
L115
C0402_1.5PF
C112
L0402_5.6NH
[1]
TCXO_26M
C0402_1NF
[1,3]
MCLK_26M
VDD_SYN
7
6
C123C0402_NC
A4
B4
A3
VDD_RX
LB1_RX+
A2
LB1_RX-
VDD_RXLO
A1
LB2_RX+
B1
LB2_RX-
C1
HB1_RX+
D1
HB1_RX-
E1
HB2_RX+
F1
HB2_RX-
G1
UHB1_RX+
H1
UHB1_RX-
J1
UHB2_RX+
J2
UHB2_RX-
VDD_SYNTHH4TRX1_I+H5TRX1_Q+H6TRX2_I+H7TRX2_Q+
VDD_BBJ4TRX1_I-J5TRX1_Q-J6TRX2_I-J7TRX2_Q-
J3
H3
L122
L0402_10NH
C120
C118
C119
C0402_1UF
C0402_100PF
C0402_NC
GSM_IQ_QN
GSM_IQ_IN
[3]
[3] GSM_IQ_QP
[3]
VDD_TX
UGSM/EGSM_IN
C128
C129C0402_NC
DCS/PCS/TD_IN
C0402_1UF
A5
A7
A8
A9
D8
B9
C8
C9
HB3_TX
LB1HB1_TXA6LB1HB2_TX
RF-TRANCEIVER-SR3500
TD_Q+
TD_I+
GSM_IQ_IP
[3] TD_I-
[3]
[3]
[3]
TD_Q-
[3]
PDET
UHB2_TX
HB4UHB1_TX
U114
GNDD4GND
GND
GND
GND
GND
B8
C2
D2
G2
H2
E8
VDD_TX
SPI1_LE
E9
SPI1_CLK
VDD_TXLO
PDET_GND
D9
SPI1_DATA
F5
SPI2_LE
E4
SPI2_CLK
E5
SPI2_DATA
F9
VDD_DCXO
F8
VDD_DIG
C101
C0402_NC
G9
REF1_OUT
H9
REF1_EN
R101
R0402_NC
C150
G8
REF2_OUT
R124 R0402_NC
H8
REF2_EN
R0201_NC
E6
REF3_OUT
R112
D5
REF3_EN
J9
REF_IN+
J8
REF_IN-
GND
GND
E2
D6
2
GNDB3GND
GNDB6GNDB7GND
GNDF4GND
GND
7M26000018
HOT
X101
HOT4GND
B2
B5
F2
F6
GND
3
VDDRF0
[2]RF_SPI_LE
RF_SPI_CLK
[2]
RF_SPI_DATA
[2]
[1,3]
MCLK_26M
[1,4]
VDDRF0
C0402_NC
[9]BT/WIFI_26M
VDDRF0
[2,9]BT/WIFI_CLKREQ_OUT
[1]
TCXO_26M
1
VDD_SYN
VDD_DIG
VDD_TX
R0402_OR
R120
R0402_OR
R117
R0402_OR
R116
VDD_DIG
C122
C124C0402_1UF
C0402_NC
C0402_47PF
C133
[1]
EGSM/GSM_RX
L0402_NC
ANT103
R0402_OR
R125
R0402_OR
L124
C148
L0402_NC
C0402_NC
C0402_100PF
C0402_100PF
C0402_100PF
C151 C0402_100PF
C145
C137
C138
C110
C146C0805_22UF
C143
C134
C0402_100NF
11
PCAP3216_A_100U
15
C0402_47PF
ANTENNA
19
EGSM/GSM_RX
RX1
18
RX2
17
PCS_RX
RX3
16
RX4
TD_RX
GND
GND
1
3
R118
R0402_DJ
J101
MM8430-2610
C149
12
345
6
R0402_1.5K
C144
C0402_470PF
C0402_22PF
C135
C0402_56PF
C136
C0402_47PF
1
L0402_NC
L126
GND
J102
SIGNAL
2
RF_TEST_PAD
R123
10M
R0402_10M
R122
L113
HK10052N7S-T
C139
C140
C0402_3.3PF
C0402_3.3PF
L123
HK10056N8J-T
C142
C141
C0402_3.3PF
C0402_3.3PF
UGSM/EGSM_IN
[1]ANT_CON
L0402_NC
L114
[3]
RF_RAMP
DCS/PCS/TD_IN
[1]
[1]
[1]
DCS_RX
R100
7
9
12
VBATT
4
RFIN_LB
VRAMP8TX_EN
U112
GPCTRL010GPCTRL1
GPCTRL2
RF9810
2
RFIN_HB
GND6GND
GND14GND
GND21GND22GND23GND
5
13
20
L119
GSM_IN
1
GND
2
GND
3
C155
C0402_47PF
DCS_IN
4
L0402_NC
L118
SAFEA1G96FA0F00R14
NC
C158
C0402_47PF
PCS_RX
[1]
L0402_NC
L110
[1]
C0402_33PF
C111
TD_RX
L0402_NC
L0402_NC
L117
L103
26MHz TCXO Module
R0402_OR
R113
AFCOUT
[3]
D
C
B
A
COMPANY:
<Company Name>
DRAWN: DATED:
<Drawn By>
<Checked By>
QUALITY CONTROL: DATED:
<QC By>
<Released By>
TITLE:
<Drawn Date>
DATED:CHECKED:
<Checked Date>
<QC Date>
<Code> A0<Drawing Number><Revision>
DATED:RELEASED:
<Release Date>
RF
<Scale> 1 9
A
DRAWING NO:
REV:SIZE:CODE:
SHEET: OFSCALE:
2011-11-10
DATED:
2011-11-10
2011-11-10
12345
LTR
TITLE & REV:
SP8810-1_SCH_V1.1.0
DOCUMENT NO.:
DEPARTMENT:DESIGNER: DATED:
Hardware DEPT.
COMPANY:
Spreadtrum communications, Inc.
REVISION RECORD
APPROVED: DATE:ECO NO:
D
C
B
A
SHEET: 2 OF 22CONFIDENTIAL AND PROPRIETARY
6
[1]
[1]RFCTRL10_PA_TXEN
[1]
BB_DIGITAL
D
EMD[00:31]
C
[5]
EMDQM0
EMDQM1
[5]
[5]EMDQM2
EMDQM3
[5]
EMDQS0
[5]
EMDQS1
[5]
[5]EMDQS2
EMDQS3
[5]
[5]
EMBA0
[5]
EMBA1
[5]
EMCSN0
[5]EMCSN1
26M_SEL
EMRASN
[5]
EMCASN
[5]
[5]EMWEN
R202
EMCKE0
[5]
R0402_10K
[5]EMCKE1
[5]
EMCLKDP
[5]EMCLKDM
NFD[00:15]
B
[5]
NFRB
NFCLE
[5]
[5]
NFALE
[5]
NFCEN
[5]NFWEN
[5]NFREN
[5]
NFWPN
A
NFD00
NFD01
NFD02
NFD03
NFD04
NFD05
NFD06
NFD07
NFD08
NFD09
NFD10
NFD11
NFD12
NFD13
NFD14
NFD15
EMD00
EMD01
EMD02
EMD03
EMD04
EMD05
EMD06
EMD07
EMD08
EMD09
EMD10
EMD11
EMD12
EMD13
EMD14
EMD15
EMD16
EMD17
EMD18
EMD19
EMD20
EMD21
EMD22
EMD23
EMD24
EMD25
EMD26
EMD27
EMD28
EMD29
EMD30
EMD31
U23
EMD0
U24
EMD1
U25
EMD2
V21
EMD3
U21
EMD4
T24
EMD5
R25
EMD6
T23
EMD7
R23
EMD8
R21
EMD9
P25
EMD10
P21
EMD11
M25
EMD12
N25
EMD13
P24
EMD14
N24
EMD15
M24
EMD16
M23
EMD17
M21
EMD18
L24
EMD19
L25
EMD20
L21
EMD21
K25
EMD22
K24
EMD23
G24
EMD24
J21
EMD25
J25
EMD26
J24
EMD27
H25
EMD28
G25
EMD29
H24
EMD30
H21
EMD31
R24
EMDQM0
N23
EMDQM1
K23
EMDQM2
H23
EMDQM3
T25
EMDQS0/GPIO54
P23
EMDQS1/GPIO55
L23
EMDQS2/GPIO56
J23
EMDQS3/GPIO57
E23
EMBA0
E24
EMBA1
K20
EMCS_N0
L20
EMCS_N1/CLK_DCAM
W21
EMRST_N/GPIO40
F23
EMRAS_N
F24
EMCAS_N
M20
EMWE_N
P20
EMCKE0/GPIO61
N20
EMCKE1/GPIO53
F25
CLKDPMEM/CLK_DSP
E25
CLKDMMEM/CLK_RTC/CLK_AHB/GPIO58
AA20
NFD0
Y19
NFD1
W20
NFD2
AC21
NFD3
AA21
NFD4
AE22
NFD5
AD21
NFD6
Y20
NFD7
AD22
NFD8/CLK_AUX1/GPIO45
AE23
NFD9/GPIO46
AD23
NFD10/GPIO47
AC22
NFD11/GPIO48
AD24
NFD12/GPIO49
AC25
NFD13/GPIO50
AC24
NFD14/GPIO51
Y21
NFD15/GPIO52
AE19
NFRB
AA19
NFCLE
Y18
NFALE
AD19
NFCEN0
AE20
NFCEN1/GPIO71
AC20
NFWEN
AD20
NFREN
AC19
NFWPN
EMA[00:13]
EMA00
EMA01
EMA02
EMA03
EMA04
W24
Y24
AA23
AA24
AB23
EMA4
EMA2
EMA0
EMA3
EMA1
MEMORY
(VMEM)
NAND
(VNF)
LCD_D1
LCD_D3
LCD_D0
LCD_D2
AC9
AE8
AD8
AD9
LCD_D00
LCD_D01
LCD_D02
LCD_D[00:23]
[8]
[8]
KEYIN1
KEYIN0
EMA05
EMA06
EMA07
EMA08
EMA09
EMA10
EMA11
EMA12
EMA13
V12
V24
V25
W23
W25
Y23
Y25
Y6
AA25
AB24
AB25
EMA9
EMA8
EMA5
EMA6
EMA7
EMA13
EMA12
EMA11
EMA10
KEYIN0
KEYIN1U9KEYIN2
LCD
(VLCD)
LCD_D6
LCD_D11/UTMIFS_TX_SE0
LCD_D15/UTMIFS_RX_RCV
LCD_D5
LCD_D8/UTMIFS_SUSPEND
LCD_D10/UTMIFS_TX_DAT
LCD_D4
LCD_D7/UTMIFS_SPEED
LCD_D12//UTMIFS_INT
LCD_D13/UTMIFS_RX_DP
LCD_D9/UTMIFS_TX_ENABLE
LCD_D14/UTMIFS_RX_DM
AE9
Y11
Y12
AC10
AC11
AC12
AC13
AE10
AE12
AA12
AD10
AD12
AD13
LCD_D03
LCD_D04
LCD_D05
LCD_D06
LCD_D07
LCD_D08
LCD_D09
LCD_D10
LCD_D11
LCD_D12
LCD_D13
LCD_D14
LCD_D15
[9]BT_HOSTWAKE
[9]BT_WAKE
[7]PROX_INT
[7]G_INT1
V11
T9
AC6
AC7
KEYIN4
KEYIN3
KEYPAD
KEYIN5/GPIO28
(VIO_1)
LCD_D16/GPIO63
LCD_D17/GPIO64
LCD_D19/GPIO76
LCD_D18/GPIO75
Y13
AE13
AA13
LCD_D16
LCD_D17
[9]
[8]KEYOUT0
[9]
BT_RST_N
BT_REG_ON
A13
E14
U11
V10
W6
Y8
AA7
Y7
AA6
V8
B14
C14
KEYOUT2V9KEYOUT3
KEYOUT0
KEYOUT1
KEYOUT4
KEYIN6/GPI0
KEYIN7/GPI1
LCD_D21/GPIO78
LCD_D20/GPIO77
Y14
AA14
RFCTL2/GPIO92
RFCTL1/GPIO91
RFCTL0/GPIO90
KEYOUT5/GPIO25
KEYOUT6/GPIO26
RFCTL3/PWMA/GPIO93
KEYOUT7/CLK_AUX1/GPIO27
U210-A
SC8810
LCD_CSN1/CLK_RTC/GPIO62
LCD_WRN
LCD_D22/GPIO79
LCD_CD
LCD_D23/GPIO80
LCD_RSTN
LCD_CSN0
LCD_FMARK/GPIO81
LCD_RDN
AC8
AE7
C25
AD7
AC14
AE11
AE14
AA11
AD11
AD14
LCM_CD
LCM_RDN
LCM_WRN
LCM_RSTN
[7]
[7]
[7]
[7]
[7] LCM_CSN0
[7] LCM_FMARK
[1]
[1]
[1]RF_SPI_CLK
[1]RF_SPI_LE
RF_SPI_DATA
RFCTRL12_CTRL0
RFCTRL14_CTRL1
RFCTRL15_CTRL2
A14
A16
A17
A18
C17
(VCAM)
SDA1
B23
I2C1_SDA
[7]
B18
TRACEDAT0/SPI1_DO/GPIO43
TRACEDAT
(VIO_2)
TRACEDAT1/SPI1_CSNO/GPIO44
I2C0
SCL0
A22
A23
I2C0_SCL
[7]
E18
B17
MIDO/DTDO/GPIO34
TRACEDAT3/IIS1DI/GPIO66
TRACEDAT4/IIS1DO/GPIO67
JTAG
(VIO_2)
TRACEDAT2/SPI1_CSN1/GPIO6 5
MTRST_N/DRTCK/GPIO38
IISDO/DTDI/GPIO84
IISDI/DTDO/GPIO83
(VIO_2)
IISCLK/DTCK/TTOUT0P/GPIO85
IISLRCK/DTMS/GPIO86
IISMCK/DRTCK/BTXLEN/GPI2
SDIO_0
SD2_D0/SPI1_D0/GPIO21
SD2_D1/SPI1_CSN0/GPIO22
SD2_D2/SPI1_CSN1/GPIO23
SDIO_2
SD2_CMD/SPI1_DI/GPIO20
SD2_CLK/SPI1_CLK/GPIO19
SPI_D0/IISLRCK_VBDA/GPIO31
(VIO_1)
SPI_DI/IISDI_VBDA/GPIO29
SPI_CLK/IISCLK_VBDA/GPIO30
SIMCLK3/U1RXD/GPIO59
SIMRST3/U1TXD/GPIO60
I2C2
(VIO_2)
(VIO_2)
SDA0
SCL2
SDA2
B22
C22
[7] I2C0_SDA
E17
B16
MTDI/DTDI/GPIO35
MTCK/DTCK/GPIO36
TRACEDAT5/IIS1CLK/GPIO68
TRACEDAT7/IIS1MCK/GPIO70
TRACEDAT6/IIS1LRCK/GPIO6 9
MTMS/DTMS/GPIO37
IIS
(VDDSD0)
SD0_CLK1/GPIO39
SD2_D3/GPIO24
(VDDSD1)
SPI
SPI_CSN0/GPIO32
SPI_CSN1/GPIO33
U0CTS/U2CTS/SPI_CSNO
UART
U0RTS/U2RTS/SPI_CLK
(VIO_2)
SIM0
(VSIM0)
SIM1
SIMCLK1/GPIO16
(VSIM1)
SIMRST1/GPIO17
SIM2
SIMCLK2/SCL2/GPIO18
(VSIM2)
SIM3
(VSIM3)
TP
OPTION
GPIO
GPIO137/PWMD
(VIO_1)
GPIO
(VIO_2)
SYSTEM
CLK_AUX0/GPIO82
I2C3
SCL3
A21
B21
SIMRST2/CLK_RTC
GPIO136/PWMC
GPIO143/PWMA
GPIO144/PWMB
(VIO_2)
SDA3
U0TXD/SPI_DO
EDCDCARM_EN
U0RXD/SPI_DI
SIMDA2/SDA2
C18
J18
F19
TRACECLK/SPI1_DI/GPIO41
F18
TRACECTRL/SPI1_CLK/GPIO42
E19
H18
B20
C21
C19
A20
C20
Y15
SD_D0
AC16
SD_D1
AA15
SD_D2
AA16
SD_D3
AD15
SD_CMD
AC15
SD0_CLK
AC17
AC18
Y17
AD17
AA18
AD18
Y16
Y10
AA9
AA8
Y9
AA10
A15
F16
C16
E16
H16
U1RXD
U1RXD
C15
U1TXD/NBOOT
U1TXD
F15
U2RXD
H15
U2TXD
AD3
SIMDA0
AD4
SIMCLK0
AC4
SIMRST0
AD6
SIMDA1
AD5
AC5
W3
AA3
Y3
AA5
SIMDA3
W5
Y5
L8
TP_XR
M8
TP_XL
N8
TP_YD
K8
TP_YU
R6
OPTION0A
P6
OPTION1A
R8
OPTION2A
U13
GPIO135
V14
U14
U12
GPIO138
V13
GPIO139
U8
GPIO140
A19
GPIO141
B19
GPIO142
F11
E11
H11
EXTRSTN
U15
ANATEST
P2
P3
EDCDCEN
P8
CHIP_RSTN
J9
PRODT
M6
PBINT
J15
CLK
(VIO_2)
T201
WIFI_WAKEUP
WAKE_ON_WIFI
SD0_D0
SD0_D1
SD0_D2
SD0_D3
SD0_CMD
MSM_UART1_RXD
MSM_UART1_TXD
MSM_UART1_CTS_N
TP_0.8
U1TXD/NBOOT
SIM0_DAT
SIM0_CLK
SIM1_DAT
WL_REG_ON
WL_IRQ
HP_DET
SLEEP_CLK_BT_WLAN
MTDI
[8]
[8]
MTDO
[8]
MTCK
[8]
MTMS
[8]
MTRSTN
[9]
BT_PCM_OUT
[9]
BT_PCM_IN
BT_PCM_CLK
[9]
[9]
BT_PCM_SYNC
[1,9]
BT/WIFI_CLKREQ_OUT
[8]
[8]
[8]
[8]
[8]
[8]SD0_CLK0
[9]WIFI_SDIO_D0
[9]WIFI_SDIO_D1
[9]WIFI_SDIO_D2
[9]WIFI_SDIO_D3
[9]WIFI_SDIO_CMD
[9]WIFI_SDIO_CLK
[9]
[9]
[9]
[9]MSM_UART1_RFR_N
[8]
[8]
[8]
[8]SIM0_RST
[8]
[8]SIM1_CLK
[8]SIM1_RST
I2C2_SDA
[7]
I2C2_SCL
[7]
[7]
CTP_RST
[7]CTP_INT
[9]
[9]
[6]
[9]
[9]
[8]PBINT
[9]
Vincent.Pan
EQA:
Qingsong.Xia
APPROVED: DATED:
Gang.Xu
E12
E13
F13
H14
B12
C13
RFCTL7/GPIO97
RFCTL5/GPIO95
RF_CTL
(VIO_2)
RFCTL4/PWMB/GPIO94
RFCTL6/PWMC/GPIO96
CCIRMCLK/CLK_DSP
CCIRCK/RFT_GPO8
CCIRVS/RFT_GPO10
CCIRRST/RFT_GPO6
CCIRHS/RFT_GPO9
E20
E21
F20
D25
CCIR_VS
CCIR_HS
CCIR_PCLK
CCIR_MCLK
[7]
[7]
[7] CCIR_RST
[7]
[7]
E15
F12
H12
H13
B11
B13
B15
C9
C12
RFSCK0/GPIO88
RFCTL8/GPIO98
K18
[7]
CCIR_PWDN0
RFSDA0/GPIO87
RFSEN0/GPIO89
RFCTL14/GPIO104
RFCTL12/GPIO102
RFCTL13/GPIO103
RFCTL15/GPIO105
XTL_EN/GPIO106
RFCTL11/GPIO101
RFCTL9/PWMD/GPIO99
RFCTL10/TTOUT1P/GPIO100
CCIR
(VCAM)
I2C1
CCIRD7/RFT_GPO5
CCIRD1/IISDO_VBAD
CCIRD3/RFT_GPO1
SCL1
CCIRD5/RFT_GPO3
CCIRD6/RFT_GPO4
CCIRD4/RFT_GPO2
CCIRD2/RFT_GPO0/IISCLK_VBAD
CCIRD0/IISLRCK_VBAD
CCIRPD0/GPIO74
CCIRPD1/RFT_GPO7/GPIO73
B24
C24
F21
J20
L18
G20
G21
H20
D23
D24
CCIR_D01
CCIR_D02
CCIR_D03
CCIR_D04
CCIR_D05
CCIR_D06
CCIR_D07
CCIR_D00
CCIR_D[00:07]
I2C1_SCL
[7]
6
5 4 3 2 1
LTR
REVISION RECORD
ECO NO: DATE:APPROVED:
D
D
BB_ANALOG
[1]AFCOUT
[1]RF_RAMP
[1]
[1]
[1]
C0402_470PF
C0402_470PF
C320
C319
F8
A6
B4
B8
AFCREF
AFCOUT
APCOUT
PADP
PADM
VRESB9ADCI1
AE16
AD16
R0402_43.2R
USB_DP
[8]USB_DM
[8]
[1]GSM_IQ_QN
GSM_IQ_IP
GSM_IQ_IN
GSM_IQ_QP
E5
E6
C5
C6
TXREF
TRXIP
TRXIN
TRXQP
TRXQN
G3
WHTLED_IB0
WHTLED_IB1
WHTLED_IB2
WHTLED_IB3
WHTLED_IB4
WHTLED
WHTLED_IB5
WHTLED_RSE
RTC32KI
RTC32KO
RTC
VBATBK
VDDRTC
ADCI3
ADCI2
ADCI0
F9
E10
F10
[7]LCD_ID
CCIR_ID
[7]
[4]
ADCIN1_BAT_TEMP
[7]
WHTLED_IB0
F3
WHTLED_IB1
[7]
E2
[7]
WHTLED_IB2
E3
WHTLED_IB3
[7]
F2
WHTLED_IB4
[7]
F5
[7]
WHTLED_IB5
R0402_6.2K
G2
R301
M1
M2
N2
N1
[3]
OSC32KI
[3]
OSC32KO
[3]VBATBK
VDDRTC
C0402_10NF
C313
R0402_4.7K
XH311HG-IV07E
VBATBK
[3]
U301
-+
R307
12
GND
C309
+
C301
NC
PCAP3216_A_100U
GND
RTC
[3]
OSC32KO
R302
R303
X310
R0402_10M
R0402_220K
[3]
OSC32KI
SSP-T7-F
C312
C311
C0402_22PF
C0402_22PF
C
B
[1]
[1]
[1]
[1]
TD_Q+
TD_Q-
TD_I-
TD_I+
C322C 0402_470PF
C321
C
[6]HEADMIC_IN
[6]
MICN
[6]
MICP
[6]
AUXMICP
[6]
AUXMICN
EARP
[6]
EARN
[6]
OUTPPA
[6]
[6]
OUTNPA
[9]
AIR
AIL
[9]
[6]HEADPHL
HEADPHR
[6]
B
[6]
MICBIAS
C0402_100NF
C318
C317
R0402_1K
C0402_1UF
R314
C316C0603_10UF
C315
C0402_100NF
H1
MICBIAS
G1
HEADMIC_IN
K5
MICN
K6
MICP
J5
AUXMICP
J6
AUXMICN
K1
EARP
K2
EARN
K3
AUXSPN
J3
AUXSPP
AUDIO
Y1
OUTPPA
Y2
OUTPPA
AA1
OUTNPA
AA2
OUTNPA
H3
AIR1
H2
AIL1
L6
HEAD_P_L
L2
AOM
L5
HEAD_P_R
L1
VCOM
E7
E8
B3
B6
C7
C0402_100NF
TDIP
TDINC8TDQP
TDQN
TDRXREFB7TDTXREF
TD RF ANA IO GSM RF ANA IO
TDAPCOUT
U210-B
SC8810
USBCLK ADC
REF26M
MCLKI
VDDUSB
A5
G6
AE17
AA17
VDDUSB
R305
C314
C0402_1UF
[1] MCLK_26M
A
TITLE & REV:
SP8810-1_SCH_V1.1.0
DOCUMENT NO.:
DATED:DESIGNER: DEPARTMENT:
Vincent.Pan 2011-11-10
EQA:
Gang.Xu 2011-11-10
DATED:
2011-11-10Qingsong.Xia
DATED:APPROVED:
Hardware DEPT.
COMPANY:
Spreadtrum communications, Inc.
CONFIDENTIAL AND PROPRIETARY
A
SHEET: 3 OF 22
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