wifi核心板原理图V1.0

0.01uF/25V
0.01uF/25V
0.01uF/25V
0.01uF/25V
0.01uF/25V
0.01uF/25V
0.01uF/25V
0
0
near the pinB26
0
near the pinB31
0
near the pinB40
0
near the pinB47
0
near the pinA58
0
near the pin69
C
0
VDD1V2 C23 0402 near the pinA61 0.01uF/25V C24 0402 0.01uF/25V C25 0402 0.01uF/25V C26 0402 0.01uF/25V C27 0402 0.01uF/25V
0
0
near the pinA71
VDD3V3
C
0
0
SPI_CS0 SPI_MOSI SPI_MISO SPI_CLK
0.01uF/25V GPIO11
C22 0402
GPIO11 10K R3 SPI_CS0 SPI_MOSI SPI_MISO SPI_CLK
AR9331(SOC)
FLASH_inferface
0
B
0.01uF/25V 0402
0
near the pinA70
0
near the pinB56
0
near the pinB45
0.01uF/25V 0402
0
VDD_DDR C30 0402 0.01uF/25V C31 0402 0.01uF/25V C32 0402 0.01uF/25V C33 0402 0.01uF/25V C34 0.01uF/25V
A65 A68
B19 A20 B18 A19 B17 A18 B16 A17 B15 A16 B14 A15 B13 A14 B12 A13 B11 A12 B10 A11 B9 A10 B8 A9 B7 A8 B6 A7 B5 A6 B4 A5 B3 A4 B2 A3 B1 GND
B19 A20 B18 A19 B17 A18 B16 A17 B15 A16 B14 A15 B13 A14 B12 A13 B11 A12 B10 A11 B9 A10 B8 A9 B7 A8 B6 A7 B5 A6 B4 A5 B3 A4 B2 A3 B1 146
L5 4.7nH/150mA 0402
1.2pF/50V 0402
0
0
VDD3V3
0
L6 RFIN_N 0402
3.9nH/0.1nH
L7 0402 C60 1.2pF/50V 0402
1.8nH/0.1nH
L8
A
3.9nH/0.1nH
L9 0402
1.8nH/0.1nH
A
RFIN_P
0402
Title AR9331_Power_Circuit Size B Date:
0402
LDM L_WE L_CAS L_RAS L_CS
C
BA0 BA1 A10_AP A0 A1 A2 A3
R43 R45 R48 R50 R51
22R/5% 22R/5% 22R/5% 22R/5% 22R/5%
0402 0402 0402 0402 0402
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
U1 B39 A47 B40 A48 B41 A49 B42 A50 B43 A51 B44 A52 B45 A53 B46 A54 B47 A55 B48 A56 B49 A57 B50 A58 B51 A59 B52 A60 B53 A61 B54 A62 B55 A63 B56 A64 A65 B39 A47 B40 A48 B41 A49 B42 A50 B43 A51 B44 A52 B45 A53 B46 A54 B47 A55 B48 A56 B49 A57 B50 A58 B51 A59 B52 A60 B53 A61 B54 A62 B55 A63 B56 A64
B38 A42 B37 A41 B36 A40 B35 A39 B34 A38 B33 A37 B32 A36 B31 A35 B30 A34 B29 A33 B28 A32 B27 A31 B26 A30 B25 A29 B24 A28 B23 A27 B22 A26 B21 A25 B20
C11 VDD2V0
1
0 0
5 4 3 2
Rev V1.0 1 of 3
5
4
3
2
1
2.5V_DDR供电电路
VDD3V3 C40
D
3.3V_LDO输出系统供电
VDD3V3 C41 0402 C42 0805 R9 1K 0402 VDD3V3 VDD3V3
D
R8
0.01uF/25V 0402 NC
0.01uF/25V
22uF/25V
5 4 3 2
Document Number <Doc> Tuesday, July 23, 2013 Sheet
1
Rev <RevCode> 2 of 3
5
4
3
2
1
0
VDD3V3_FLASH 22R/5% 22R/5% 22R/5% 22R/5% 22R/5% 22R/5% 22R/5% 22R/5% 22R/5% DQ15 DQ14 DQ13 DQ12 DQ11 VDD_DDR 2.5V DQ10 DQ9 DQ8 UDQS
0
LDO_OUT DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 UDQS UDM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 LDQS LDM L_WE L_CAS L_RAS L_CS BA0 BA1 C28 A10_AP A0 A1 A2
0
near the pinA26 C21 0.01uF/25V 0402
C29
RFOUT_N RFOUT_P RFIN_N RFIN_P
VDD3V3_RF
A68
A69 B59 A70 B60 A71 B61 A72 B62 A73 B63 A74 B64 A75 B65 A76 B66 A77 B67 A78 B68 A79 B69 A80 B70 A81 B71 A82 B72 A83 B73 A84 B74 A85 B75 A86 B76
0
0
10uF/6.3V C10 0603 R2 2.43K/1% 0402 2.5V
CTRL2V0 VDD2V5 C20 0.01uF/25V 0402
0 0.01uF/25V USBUSB+ GPIO26 GPIO27 JTAG_TMS JTAG_TCK JTAG_TDI JTAG_TDO
C19 0402
VDD_DDR
C37 VDD3V3_SYNTH
VDD3V3_XTAL
VDD3V3_PLL
VDD3V3 VDD2V5
C36 2.5V
VDD3V3
VDD1V2
0
VDD_DDR near the pinB1
0
near the pinA12
0
near the pinA19
0
near the pinA84
0
near the pinB71
0
1 2
U7 GND S
C49 1.5pF/50V 0402
C50 NC 0402 L4 2.2nH/0.1nH
RFOUT_P
0
B
0
0402 C59 0.1uF/16V
C55 0402
10pF/50V 0402 C56 C57 1.2pF/50V 0402
1pF/50V 0402
ANT
B
0
0
0402 C58 12pF/50V
2.5V
D
0
C7 0402 C8 0603 VDD3V3 VDD3V3
VDD3V3
VDD1V2 VDD3V3
VDD1V2
VDD1V2
VDD1V2
0.1uF/16V
10uF/6.3V
0
0.01uF/25V 0402
0 0.01uF/25V
C9 0402
VDD1V2 C12 0402 C13 0402 0402 C14 C15 0402 C16 0402 C17 0402 C18 0402
GPIO0
A12 CKE CLK L_CLK A3
0402 0.01uF/25V 0402 0.01uF/25V 0402 0.01uF/25V
A
R5 0R/%5 0402
0
R7 15k/5% 0402 R6 4.7K/1% 0402
UART_RX
UART
Title AR9331_Circuit Size B Date: Document Number <Doc> Tuesday, July 23, 2013 Sheet
VDD_DDR
2.5V U2
R11 10K/5% 0402 VSS3 DQ15 VSSQ4 DQ14 DQ13 VDDQ4 DQ12 DQ11 VSSQ3 DQ10 DQ9 VDDQ DQ8 NC7 VSSQ UDQS NC6 VREF VSS2 UDM CLK CLK CKE NC5 A12 A11 A9 A8 A7 A6 A5 A4 VSS1 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
B
A69 B59 A70 B60 A71 B61 A72 B62 A73 B63 A74 B64 A75 B65 A76 B66 A77 B67 A78 B68 A79 B69 A80 B70 A81 B71 A82 B72 A83 B73 A84 B74 A85 B75 A86 B76
0
VDD1V2
0
MMBT2907A Q1 SOT23 VDD_DDR C43 10uF/6.3V 0603 MMBT2907A SOT23 Q2 LDO_OUT
D1 LED_G 0603
0
0
0
C
VDD3V3
C
0
C44 12pF/50V 0402 C45 0.1uF/25V 0402 L2 4.7nH/150mA 0402
D
DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 LDQS
R12 R14 R17 R20 R22 R25 R27 R29 R33
22R/5% 0402 22R/5% 0402 22R/5% 0402 22R/5% 0402 22R/5% 0402 22R/5% 0402 22R/5% 0402 22R/5% 0402 22R/5% 0402
5
4
3
ቤተ መጻሕፍቲ ባይዱ
2
1
0
0
0
0
1.2V电源输出端口去耦整流
1008 L1 1uH L2520_H1D2 0805 C5 22uF/25V 0402 C6 0.01uF/25V R1 0R 0603 VDD1V2 VDD1V2
D
B38 TX_N0 A42 TX_P0 B37 RX_N0 A41 RX_P0 0402 B36 A40 RX_N1 C1 0.01uF/25V B35 RX_P1 A39 TX_N1 B34 TX_P1 2.5V 0402 A38 B33 TX_N2 C2 0.01uF/25V A37 TX_P2 B32 RX_N2 A36 RX_P2 B31 A35 RX_N3 B30 RX_P3 A34 TX_N3 B29 TX_P3 2.5V 0402 A33 B28 TX_N4 C3 0.01uF/25V A32 TX_P4 B27 RX_N4 A31 RX_P4 B26 2.5V 0402 A30 B25 GPIO21 C4 0.01uF/25V A29 GPIO24 B24 GPIO22 A28 GPIO18 B23 GPIO19 A27 GPIO20 B22 GPIO23 A26 VDD1V2 B21 VDD12_PMU A25 SW_REG_OUT VDD1V2_OUT B20
0
RFOUT_N
0
C46 0402 10pF/50V C47 0402 1.2pF/50V
L3 2.2nH/0.1nH 0402 C48 0402 1.2pF/50V
ANT_OUT
J1 JUMPER 0603 J2 C51 0402 10pF/50V 0402 C52 0603 C53 0.5pF/50V 0402 C54 NC 0402 JUMPER R10 0R
0402
0 C35
0402 100nF/25V R4 6.2K/1% 0402
0.01uF/25V
C38
C39
A4 A5 A6
A7 A8 A9 A11 UART_TX
RESET_L
XTALI XTALO
GPIO17 GPIO16 GPIO15 GPIO14 GPIO13 GPIO1
0
A
0
VDD1V2