Lenovo A288T schematic

6

12345

REVISION RECORD

LTR

APPROVED: DATE:ECO NO:

RF TRANSCEIVER

D

1

4

GND

OUT2

2

GND

EGSM/GSM_RX

C133

L0402_NC

L0402_NC

L119

L101

C155

[1]

DCS/PCS_RX

[1]

TD_RX

C0402_47PF

L0402_NC

L0402_NC

L102

C0402_47PF

C111

L0402_NC

L0402_NC

L117

L103

[1]

RF ANT

ANT102

ANT103

ANT101

PAD_ANT_2X3

PAD_ANT_2X3

PAD_ANT_2X3

1

1

1

R150

R0402_OR

PA MODULE

C

[2]

RFCTRL10_PA_TXEN

RFCTRL15_CTRL2

[2]

RFCTRL14_CTRL1

[2]
[2]

RFCTRL12_CTRL0

VBAT

[4,6,7,8,9]

NC

+

C110

[1]

[1]

EGSM/GSM_RX

[1]

DCS/PCS_RX

[1]

Impedance be 50ohm Impedance be 50ohm

C149

C0402_47PF

R125

R0402_OR

L124

L0402_NC

C148

C0402_NC

RX1 NC
RX2 UGSM/EGSM
RX3 DCS/PCS
RX4 TD_RX
TX LB GSM
TX HB GSM
TX LB EDGE
TX HB EDGE
TD_TX

C0201_100PF

C0201_100PF

C0201_100PF

C137

C151 C0201_100PF

C145

C138

C146

C143

C134

C0201_47PF

C0805_22UF

C0201_100NF

PCAP3216_A_100U

ANT_CON

TD_RX

9

11

15

ANTENNA

VBATT

GPCTRL010GPCTRL1

19

RX1

U112

18

RX2

RF9810

17

RX3

16

RX4

GND

GND

GND6GND

GND14GND

1

3

5

13

RAMP
RAMP

12

GPCTRL2

GND21GND22GND23GND
20

R0402_DJ

R100

DJ

J101

MM8430-2610

12

345

0

0

0

0

0

0

0

0
1
1

1

1

1

1

0

1

C135

7

8

TX_EN

VRAMP

4

RFIN_LB

2

RFIN_HB

1

6

SIGNAL

J102

GND

2

RF_TEST_PAD

GND

1

0

0

1

0

1

0

0

0

1

0

1

0

0

0

0

0

0

ramp network

R0201_1.5K

R123

C144

R0402_10M

C0201_470PF

C0201_22PF

HK10052N7S-T

C140

C0402_3.3PF

C0201_56PF

C136

C142

C0402_3.3PF

L0402_NC

R122

L113

L123

HK10056N8J-T

R118

R0402_OR

L126

L0402_NC

L114

SWITCHCtrl_0Ctrl_1Ctrl_2TXENVRAMP

0

0

0

0

1

0

1

0

0

0

1

1

0

0

1

1

1

0

10M

C139

C0402_3.3PF

6.2N

C141

C0402_3.3PF

RF_RAMP

DCS/PCS/TD_IN

UGSM/EGSM_IN

[1]ANT_CON

[3]

[1]

[1]

C0402_47PF

3

5

OUT1

GND

6

IN

SAFEL942MFL0F00

U111

2

10

GND3GND4GND5GND

GND

OUT_DCS2

1

GND

OUT2

2

GND

5

OUT1

GND

6

IN

SAFEL1G84FA0F00

U102

OUT_DCS1

IN

1

OUT_PCS2

L118

U110 SAWEN1G84CV0F00

INPUT

1

GND

2

GND

3

GND

4

10

5

OUT_PCS1

GND

SAWFD1G90CA0F0A/B9821

GND

(1900M)_OUT2

(1900M)_OUT1

U113

(2017.5M)_OUT2

(2017.5M)_OUT1

C152

C0201_2.2PF

C117

C0201_2.2PF

9

4

3

8

C154

7

6

9

8

7

6

L121

L0201_15NH

VDDRF0

VDD_RX VDD_DIG

VDD_SYN

VDD_TX

R0402_OR

R121

[1]

[1]

VDD_RX

UGSM/EGSM_IN

C0402_1UF

C147

C0201_2.2PF

C157

L120

L0201_5.6NH

C0201_2.2PF

C156

C0201_2.2PF

C0201_2.2PF

C153

L125

L0201_5.6NH

C0201_1.5PF

C115

L116

L0201_5.6NH

C0201_1.5PF

C114

C0201_1.5PF

C113

L115

L0201_5.6NH

C0201_1.5PF

C112

VDD_SYN

C123

A3

LB1_RX+

A2

LB1_RX-

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-

H3

L0402_10NH

L122

C0402_1UF

C120

C118

C0402_NC

C119

C0201_100PF

DCS/PCS/TD_IN

C0201_NC

A4

VDD_RX

VDD_SYNTH

VDD_BBJ4TRX1_I-J5TRX1_Q-

J3

C131

A5

B4

VDD_RXLO

LB1HB1_TXA6LB1HB2_TX

TRX1_I+H5TRX1_Q+

TRX2_I-J7TRX2_Q-

J6

H4

C0201_NC

A7

A8

HB3_TX

HB4UHB1_TX

U114

RF-TRANCEIVER-SR3500

GND

TRX2_I+H7TRX2_Q+

B8

H6

VDD_TX

C0402_1UF

C0201_NC

R119

C128

R0402_OR

C130

C0201_NC

A9

UHB2_TX

GND

GND

H2

G2

C132 C0201_NC

C129

D8

B9

C8

C9

PDET

VDD_TX

VDD_TXLO

PDET_GND

E8

SPI1_LE

E9

SPI1_CLK

D9

SPI1_DATA

F5

SPI2_LE

E4

SPI2_CLK

E5

SPI2_DATA

F9

VDD_DCXO

F8

VDD_DIG

G9

REF1_OUT

H9

REF1_EN

G8

REF2_OUT

R124

H8

REF2_EN

E6

REF3_OUT

D5

REF3_EN

J9

REF_IN+

J8

GNDD4GND

GND

C2

D2

D6

REF_IN-

GND

GNDF4GND

GND

GNDB3GND

GNDB6GNDB7GND

GND

F2

F6

B2

B5

E2

RF_SPI_LE
RF_SPI_CLK

C150

C0201_1NF

BT/WIFI_26M

R0402_OR

C121

C0201_100PF

VDDRF0

R0402_NC

BT/WIFI_CLKREQ_OUT

[1]

TCXO_26M

R112

R0402_OR

R120

R0402_OR

R117

R0402_OR

R116

[2]

[2]

[2]RF_SPI_DATA

VDD_DIG

C124

C122

C0402_1UF

C0201_NC

[9]

[2,9]

D

C

B

26MHz TCXO Module

AFCOUT

[3]

VDDRF0

[1,4]

C127

C0201_100NF

R113

R0201_0R

1

VCONT2GND

3

OUT4VCC

X110

C126 C0201_100PF

C125

C0201_1NF

[1]

TCXO_26M

[3]

MCLK_26M

TEMP SENSOR

[3] SR3500TEMP_ADC

TD_I-

TD_Q+

TD_I+

TD_Q-

[3]

[3]

[3]

[3]

GSM_IQ_QN

GSM_IQ_IN

GSM_IQ_IP

[3]

[3] GSM_IQ_QP

[3]

[3]

[1,4]

VDDRF0

12

R114

R0402_100K_NTC

R115

R0402_10K

C116

C0201_10NF

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>

<Scale> 1 9

<Title>

DRAWING NO:

SHEET: OFSCALE:

B

A

REV:SIZE:CODE:

6

12345

REVISION RECORD

LTR

APPROVED: DATE:ECO NO:

BB_DIGITAL

D

EMD[00:31]

C

[5]

EMDQM0

EMDQM1

[5]

EMDQM2

[5]

EMDQM3

[5]

EMDQS0

[5]

EMDQS1

[5]

[5] EMDQS2

EMDQS3

[5]

[5] EMBA0
[5]

EMBA1

[5]

EMCSN0

[5]

EMCSN1

[5] EMRASN

EMCASN

[5]

[5] EMWEN

EMCKE0

[5]

EMCKE1

[5]

[5]

EMCLKDP

[5]

EMCLKDM

NFD[00:15]

NFD00

NFD01

NFD02

NFD03

B

NFD04

NFD05

NFD06

NFD07

NFD08

NFD09

NFD10

NFD11

NFD12

NFD13

NFD14

NFD15

[5] NFRB

[5] NFCLE

[5]

NFALE

[5]

NFCEN

NFWEN

[5]

NFREN

[5]
[5]

NFWPN

A

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

EMA05

EMA06

EMA07

EMA08

EMA09

EMA10

EMA11

V24

W23

W24

W25

NAND

(VNF)

LCD_D[00:23]

AA23

EMA0

MEMORY

Y24

AB23

EMA2

EMA1

(VMEM)

LCD_D1

LCD_D0

AC9

AD8

LCD_D00

Y25

AA24

AA25

AB24

AB25

EMA9

EMA8

EMA4

EMA5

EMA3

EMA6

EMA7

EMA11

EMA10

LCD_D3

LCD_D6

LCD_D5

LCD_D8/UTMIFS_SUSPEND

LCD_D10/UTMIFS_TX_DAT

LCD_D2

LCD_D4

LCD_D7/UTMIFS_SPEED

LCD_D9/UTMIFS_TX_ENABLE

AE8

AE9

Y11

AD9

AE10

AC10

AC11

AC12

AD10

LCD_D01

LCD_D02

LCD_D03

LCD_D04

LCD_D05

LCD_D06

LCD_D07

LCD_D08

LCD_D09

[7]PROX_INT

[8]KEYOUT0

[7]G_INT1

[8]

[8]

KEYIN1

KEYIN0

EMA12

EMA13

V12

V25

Y23

EMA13

EMA12

KEYIN0

LCD

(VLCD)

LCD_D11/UTMIFS_TX_SE0

LCD_D12//UTMIFS_INT

LCD_D13/UTMIFS_RX_DP

Y12

AE12

AA12

AD12

LCD_D10

LCD_D11

LCD_D12

LCD_D13

KEYOUT1

[8]

V11

T9

Y8

Y6

AC6

AC7

Y7

AA6

KEYIN4

KEYIN3

KEYIN1U9KEYIN2

KEYOUT0

KEYOUT1

KEYIN6/GPI0

KEYIN7/GPI1

KEYIN5/GPIO28

KEYPAD

(VIO_1)

LCD_D15/UTMIFS_RX_RCV

LCD_D22/GPIO79

LCD_D16/GPIO63

LCD_D17/GPIO64

LCD_D14/UTMIFS_RX_DM

LCD_D18/GPIO75

LCD_D20/GPIO77

LCD_D19/GPIO76

LCD_D21/GPIO78

Y13

Y14

AE13

AA13

AA14

AC13

AC14

AD13

AD14

LCD_D14

LCD_D15

LCD_D16

LCD_D17

[9]BT_RSTN

A13

E14

U11

W6

V8

KEYOUT2V9KEYOUT3

KEYOUT4

KEYOUT5/GPIO25

LCD_CSN1/CLK_RTC/GPIO62

LCD_D23/GPIO80

LCD_CSN0

AD7

AE11

LCM_CSN0

[7]

H14

V10

AA7

B14

C14

RFCTL2/GPIO92

RFCTL1/GPIO91

RFCTL0/GPIO90

KEYOUT6/GPIO26

RFCTL3/PWMA/GPIO93

KEYOUT7/CLK_AUX1/GPIO27

U210-A

SC8810

LCD_WRN

LCD_CD

LCD_RSTN

LCD_FMARK/GPIO81

LCD_RDN

CCIRMCLK/CLK_DSP

AE7

AC8

C25

AE14

AA11

AD11

LCM_CD

LCM_RDN

LCM_RSTN

LCM_WRN

CCIR_MCLK

[7]

[7]

[7]

[7]

[7]

[7] LCM_FMARK

[1]

[1]RFCTRL10_PA_TXEN

[1]

[1]

[1]

[1]RF_SPI_CLK

[1]

RFCTRL12_CTRL0

RF_SPI_LE

RF_SPI_DATA

RFCTRL14_CTRL1

RFCTRL15_CTRL2

D

A14

A16

A17

A18

C17

E12

E13

F13

H13

B12

B13

C12

C13

RFCTL7/GPIO97

RFCTL8/GPIO98

RFCTL5/GPIO95

RFCTL11/GPIO101

RFCTL4/PWMB/GPIO94

RFCTL6/PWMC/GPIO96

RFCTL9/PWMD/GPIO99

RFCTL10/TTOUT1P/GPIO100

RF_CTL

(VIO_2)

CCIR

(VCAM)

CCIRD0/IISLRCK_VBAD

CCIRHS/RFT_GPO9

CCIRPD1/RFT_GPO7/GPIO73

CCIRVS/RFT_GPO10

CCIRRST/RFT_GPO6

CCIRCK/RFT_GPO8

CCIRPD0/GPIO74

J20

F20

L18

E20

E21

K18

D25

G21

CCIR_D00

CCIR_D[00:07]

CCIR_VS

CCIR_HS

CCIR_PCLK

CCIR_RST

CCIR_PWDN0

[7]

[7]

[7]

[7]

[7]

E15

F12

H12

B11

B15

B18

C9

RFSEN0/GPIO89

RFSCK0/GPIO88

RFSDA0/GPIO87

XTL_EN/GPIO106

RFCTL14/GPIO104

RFCTL12/GPIO102

RFCTL13/GPIO103

RFCTL15/GPIO105

TRACEDAT0/SPI1_DO/GPIO43

TRACEDAT1/SPI1_CSNO/GPIO44

TRACEDAT

(VIO_2)

I2C0

I2C1

(VCAM)

CCIRD2/RFT_GPO0/IISCLK_VBAD

CCIRD3/RFT_GPO1

CCIRD1/IISDO_VBAD

F21

H20

D24

CCIR_D01

CCIR_D02

CCIR_D03

SCL0

SDA1

SCL1

CCIRD5/RFT_GPO3

CCIRD6/RFT_GPO4

CCIRD4/RFT_GPO2

CCIRD7/RFT_GPO5

A22

A23

B23

B24

C24

D23

G20

CCIR_D04

CCIR_D05

CCIR_D06

CCIR_D07

I2C0_SCL

I2C1_SDA

I2C1_SCL

[7]

[7]

[7]

C18

E17

E18

B16

B17

TRACEDAT3/IIS1DI/GPIO66

TRACECLK/SPI1_DI/GPIO41

TRACEDAT4/IIS1DO/GPIO67

TRACEDAT5/IIS1CLK/GPIO68

TRACEDAT7/IIS1MCK/GPIO70

TRACECTRL/SPI1_CLK/GPIO42

TRACEDAT6/IIS1LRCK/GPIO69

TRACEDAT2/SPI1_CSN1/GPIO65

JTAG

(VIO_2)

IIS

(VIO_2)

SDIO_0

(VDDSD0)

SDIO_2

(VDDSD1)

SPI

(VIO_1)

UART

(VIO_2)

SIM0

(VSIM0)

SIM1

(VSIM1)

SIM2

(VSIM2)

SIM3

(VSIM3)

TP

OPTION

GPIO

(VIO_1)

GPIO

(VIO_2)

SYSTEM

I2C2

(VIO_2)

(VIO_2)

SCL3

SDA0

SCL2

SDA2

A21

B22

C22

[7] I2C0_SDA

MTRST_N/DRTCK/GPIO38

IISCLK/DTCK/TTOUT0P/GPIO85

IISLRCK/DTMS/GPIO86

IISMCK/DRTCK/BTXLEN/GPI2

SD2_D0/SPI1_D0/GPIO21

SD2_D1/SPI1_CSN0/GPIO22

SD2_D2/SPI1_CSN1/GPIO23

SD2_CMD/SPI1_DI/GPIO20

SD2_CLK/SPI1_CLK/GPIO19

SPI_D0/IISLRCK_VBDA/GPIO31

SPI_DI/IISDI_VBDA/GPIO29

SPI_CLK/IISCLK_VBDA/GPIO30

U0CTS/U2CTS/SPI_CSNO

U0RTS/U2RTS/SPI_CLK

SIMCLK2/SCL2/GPIO18

SIMCLK3/U1RXD/GPIO59

SIMRST3/U1TXD/GPIO60

I2C3

(VIO_2)

SDA3

B21

MTDI/DTDI/GPIO35

MIDO/DTDO/GPIO34

MTCK/DTCK/GPIO36

MTMS/DTMS/GPIO37

IISDO/DTDI/GPIO84

IISDI/DTDO/GPIO83

SD0_CLK1/GPIO39

SD2_D3/GPIO24

SPI_CSN0/GPIO32

SPI_CSN1/GPIO33

U0RXD/SPI_DI

U0TXD/SPI_DO

SIMCLK1/GPIO16

SIMRST1/GPIO17

SIMDA2/SDA2

SIMRST2/CLK_RTC

GPIO136/PWMC

GPIO137/PWMD

GPIO143/PWMA

GPIO144/PWMB

EDCDCARM_EN

CHIP_RSTN

CLK_AUX0/GPIO82

(VIO_2)

J18

F19

F18

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

cmmb

Y9

AA10

A15

F16

C16

E16

H16

U1RXD

C15

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

J9

PRODT

M6

PBINT

J15

CLK

T201

U1RXD

U1TXD/NBOOT

U1TXD/NBOOT

外露在电池座傍边，方便整机抓LOG

[3]

VDDRTC

R212

R0201_10K

I2C1 For Camera
I2C0 For G/M/L-Sensor

I2C3 For FM

SD0_D0

SD0_D1

SD0_D2

SD0_D3

SD0_CMD

SD0_CLK0

WIFI_SDIO_D0

WIFI_SDIO_D1

WIFI_SDIO_D2

WIFI_SDIO_CMD

WIFI_SDIO_CLK

TP_0.8

SIM0_DAT

SIM0_CLK

SIM0_RST

SIM1_DAT

SIM1_CLK

SIM1_RST

WIFI_1.8V_ON

WIFI_RESET

HP_DET

WIFI_WAKEUP

GPIO144_SPK_EN

[8]

[8]

[8]

[8]

[8]

[8]

dsp log

[8]

[8]

[8]

[8]

[8]

[8]

[8]

I2C2_SCL

FM_32K

CTP_RST

CTP_INT

[7]LCM_BL_EN

[8]PBINT

MTDO

MTCK

MTMS

MTRSTN

BT_PCM_OUT

BT_PCM_IN

BT_PCM_CLK

BT_PCM_SYNC

BT/WIFI_CLKREQ_OUT

[9]

[9]

[9]

[9]WIFI_SDIO_D3
[9]

[9]

[9]BT_RXD

[9]

[9]

[6]

[9]

[6]

[8]MTDI

[8]
[8]

[8]

[8]

[9]

[9]

[9]

[9]

[1,9]

[9]BT_TXD

[7,8]

I2C2 For CAP TP & FM

[7,8]I2C2_SDA

[8]

[7]

[7]

OPTION0 Internal Core DC-DC

OPTION1

OPTION2

LDO Concurrent Startup

HL

External Core DC-DC

LDO Sequence Startup

External ARM DC-DCInternal ARM DC-DC

Vincent.Pan

EQA:

Qingsong.Xia

APPROVED: DATED:

Gang.Xu

2011-11-10

DATED:

2011-11-10

2011-11-10

TITLE & REV:

DOCUMENT NO.:

DEPARTMENT:DESIGNER: DATED:

COMPANY:

SP8810-1_SCH_V1.1.0

Hardware DEPT.

Spreadtrum communications, Inc.

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REVISION RECORD

ECO NO: DATE:APPROVED:

D

D

BB_ANALOG

[1]AFCOUT

[1]RF_RAMP

[1]

[1]

[1]

[1]

[1]

[1]

[1]

TD_I-

TD_Q+

TD_Q-

TD_I+

C321 C0201_100NF

B6

TDRXREF

E7

TDIP

MCLKI

A5

[1]MCLK_26M

E8

C7

C8

TDIN

TDQP

TDQN

U210-B

SC8810

USBCLK ADC

VDDUSB

AA17

VDDUSB

C314

C0402_1UF

C0402_470PF

C320

F8

B8

AFCREF

AFCOUT

PADP

PADM

VRES

AE16

AE17

AD16

R305

R0402_43.2R

USB_DP

USB_DM

[8]

[8]

B3

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

C0402_470PF

C322

B7

TDTXREF

TDAPCOUT

TD RF ANA IO GSM RF ANA IO

REF26M

G6

C

HEADMIC_IN

[6]
[6]

MICN

[6]

MICP

[6]

AUXMICP

[6]

AUXMICN

EARP

[6]

EARN

[6]

OUTPPA

[6]

[6]

OUTNPA

[8]

AIR

[8] AIL

[6] HEADPHL

HEADPHR

[6]

[6]

MICBIAS

C318

C0201_100NF

C317

C0402_1UF

R314

R0201_1K

C315

C316

C0201_100NF

C0603_10UF

B

[1]GSM_IQ_QN

GSM_IQ_IP

GSM_IQ_IN

GSM_IQ_QP

C0402_470PF

C319

E5

E6

A6

B4

C5

C6

TRXIP

TRXIN

TXREF

TRXQP

TRXQN

APCOUT

G3

WHTLED_IB0

F3

WHTLED_IB1

E2

WHTLED_IB2

E3

WHTLED_IB3

F2

WHTLED_IB4

WHTLED

F5

WHTLED_IB5

G2

WHTLED_RSE

M1

RTC32KI

M2

RTC32KO

RTC

N2

VBATBK

N1

VDDRTC

ADCI3

ADCI2

ADCI0

ADCI1

F9

B9

F10

E10

C0201_10NF

C313

[3]

OSC32KI

[3]

OSC32KO

VBATBK

[8]

[2]

VDDRTC

C

B

RTC

[3]

CCIR_ID

[7]LCD_ID

[7]

ADCIN1_BAT_TEMP

[4]

[1] SR3500TEMP_ADC

OSC32KO

R302

R303

R0402_10M

X310

C0201_22PF

R0201_220K

SSP-T7-F

C0201_22PF

C312

C311

[3]

OSC32KI

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:

COMPANY:

2011-11-10Qingsong.Xia

DATED:APPROVED:

Hardware DEPT.

Spreadtrum communications, Inc.

CONFIDENTIAL AND PROPRIETARY

SHEET: 3 OF 22

A