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首页RK3228平台 RTL8723BS模块应用参考原理图
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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
最大峰值
500mA
OPTIONAL: Reserve Pi Pads
for 50ohm Antenna Matching
C10 close
to Pin.35
璝╰参 矗ㄑ
WIFI 3.3V
筿方
,
3.3V
筿方 钡
WL_VDD33
籔
WL_VDDIO
キ籓╰参
24MHz XTAL
2
聋筿
,
瓜
爹
1: CO-CLK
爹
2: WIFI INTERFACE
C11, C12, C13 follows
Layout Design Guidelines
C9 close
to Pin.28
C8 close
to Pin.27
C7 close
to Pin.23
C5 close
to Pin.17
C1 close to
Pin.3, Pin.4
XTAL SPEC
Xtal Size: 3225, 2520
Nominal Frequency: 24MHZ
Frequency Tolerance:
∮
10ppm at 25
∮
3
Frequency Stability(TC):
∮
10ppm at-25
°+85
Load capacitance: 10~12pF
Equivalent Series Resistance(ESR): < 50
Shunt Capacitance(C0): < 5pF
>50mil
Maximal peak current:600mA
Option1
Option3
50 Ohm RF trace
Note:
Adjusted the load capacitance
according to the crystal specification.
Option2
VCC_IO VD33
VD33
VDDIO_WIFI
VCC_IO VBAT_WL
VBAT_WL
VCC_IO
WIFI_REG_ON
WIFI_HOST_WAKE
BT_RST
BT_HOST_WAKE
BT_WAKE
32K_OUT
SDIO_CMD
SDIO_CLK
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
PCM_SYNC
PCM_CLK
PCM_TX
PCM_RX
CLK_24M
LDO_EN
Project:
File:
Date:
Fuzhou Rockchip Electronics
Designed by:
Rev:
Sheet: of
Saturday, September 16, 2017
WIFI+BT
RK3228_BOX FOR NATER
V0.1
Project:
File:
Date:
Fuzhou Rockchip Electronics
Designed by:
Rev:Saturday, September 16, 2017
WIFI+BT
Lingo.wang 1 1
V0.1
Project:
File:
Date:
Fuzhou Rockchip Electronics
Designed by:
Rev:Saturday, September 16, 2017
WIFI+BT
V0.1
C2703
DNP
C0402
12
R6008 10K
C3246
NC
D3005
NC/ESD5471X
esd0402
12
R2708 22R
R0402
5%
1 2
C3251
NC/10pF
ANT2700
ANT
J-MS-156
ANT
1
GND
2
GND
3
C35
10uF
C0805
C2709 33pF C0402
C0G
50VDNP
12
R6009 4.7K
C2706
22pF
C0402
C0G 50V
DNP
12
U3203
RTL8723BS
RL-SM02BD-8723BS
WL_BT_ANT
2
N_I2C_SCL
37
N_I2C_SDA
35
TX2
39
TCXO_IN
30
N_REG_PU
38
GND6
36
TX1
40
WL_HOST_WAKE
13
GND2
3
GND1
1
GND5
33
GND4
31
BT_VIO/N_HOST_WAKE
8
PCM_OUT
25
PCM_CLK
26
PCM_IN
27
PCM_SYNC
28
VDDIO
22
LPO
24
SDIO_DATA_2
14
SDIO_DATA_0
18
SDIO_DATA_CLK
17
SDIO_DATA_CMD
16
SDIO_DATA_1
19
SDIO_DATA_3
15
VBAT
9
WL_REG_ON
12
BT_RST_N
34
FM_RX
4
N_WAKE
5
XTAL_IN
10
XTAL_OUT
11
GND3
20
UART_TXD
42
UART_RXD
43
UART_RTS_N
41
UART_CTS_N
44
GPS_RF
32
BT_WAKE
6
BT_HOST_WAKE
7
VIN_LDO_OUT
21
VDD_TCXO
29
VIN_LDO
23
N_VDDSWPIO
45
N_VDDSWP_OUT
46
N_VDDSWP_IN
47
C36
10uF
C0805
C3234 NC/5.6pF
L2706
NC
C37
1uF
C0402
C3252
NC
R6011 10K
R2715
0R
R0402
5%
DNP
12
C2713
1uF
C0402
X5R
10V
12
C33 NC/5.6pF
L2705
1nH
U1
SSV6051P
NC
2
VDD16_ABB
3
VDD16_SYN
4
WIFI_TX_SW
5
WIFI_RX_SW
6
BT_SW
7
VDD_ANT
8
XTALP
9
XTALN
10
EFUSE_VDD
11
GPIO_8
14
DVDDIO_SOC1
15
GPIO_1
16
DVDD12
17
GPIO_2
18
GPIO_3
19
VDD16_DLDO
20
VDD33_DCDC
21
VDDLX_DCDC
22
VDD16_DCDC_OUT
23
LDO_EN
26
DVDD12_RTC_OUT
27
DVDDIO_SOC2
28
GPIO_9
29
GPIO_10
30
GPIO_11
31
GPIO_12
32
GPIO_13
33
GPIO_14
34
GPIO_5
35
GPIO_6
37
GPIO_15
38
GPIO_18
39
GPIO_19
40
GPIO_20
41
VDD33_RF
42
VDD_PA
43
NC
44
RF_IO
45
NC
46
NC
47
E-PAD
49
NC
48
DVDD12
36
NC
25
NC
24
NC
13
NC
12
NC
1
C2707 33pF C0402
C0G
50VDNP
12
R2709 1K
R0402
5%DNP
1 2
C31 NC/5.6pF
C2701
22pF
C0402
C0G 50V
DNP
12
L2707
22nH
L2701
3.3uH
SWPA4020S
DNP
R6010 10K
C3242
NC
X1
NC/XTAL/24MHz/2520
1
1
GND
2
GND
4
3
3
R2704 22R
R0402
5%
1 2
C2708 33pF C0402
C0G
50VDNP
12
C3268 NC/5.6pF
C3240
4.7uF
C3243
20pF
R2710
1.2K
R0402
5%
DNP
12
Y2700
26MHz
CRY4_3R20X2R50X0R80
DNP
XIN
1
GND1
2
XOUT
3
GND2
4
C3253
560pF
C2700
10pF
C0402
C0G50V
1 2
R2705 22R
R0402
5%
1 2
L2704
15pF
R3 200R
C3247
1uF
C2705
100nF
C0402
X5R
6.3V
12
C3244
20pF
C3236 NC/5.6pF
C2710 33pF C0402
C0G
50VDNP
12
C3238
NC
C3241
1uF
R2706 22R
R0402
5%
1 2
C3248
1.8pF
C2702
DNP
C0402
12
C2704
22uF
C0805
X5R
10V
12
C2714
100nF
C0402
X5R
6.3V
12
ANT2
ANT
WIFI2
ANT
1
GND
2
GND
3
C3239
NC
C2711 33pF C0402
C0G
50VDNP
12
C3249
1uF
R2703 22R
R0402
5%
1 2
C3254
1uF
T1705
TP
1
R2700 22R
R0402
5%DNP
1 2
C2717
4.7uF
C0603
X5R
6.3V
DNP
12
C3245
NC
C3250
1uF
R2707 22R
R0402
5%
1 2
R6004 NC/4.7K
R0402
L10
FB120R
L0603
12
L2700
FB120R
L0603
1 2
C2712 33pF C0402
C0G
50VDNP
12
L2708
2.7nH
WIFI_ANT TX_OUTP
SDIO_CLK
VDD_16OUT
VCC_IO
SDIO_D3
SDIO_D2
SDIO_D1
SDIO_D0
VD33
VD33
SDIO_CMD
VDD_16OUT
CLK_24M
VDD_16OUT
LDO_EN
VCC_IO
TX_OUTP
SDIO_D3
SDIO_D2
SDIO_D1
SDIO_D0
SDIO_CMD
SDIO_D2
SDIO_D0
SDIO_D1
SDIO_D3
SDIO_CMD
SDIO_D2
SDIO_D3
SDIO_CMD
SDIO_CLK
SDIO_D0
32K_OUT WIFIBT_32KIN
WIFI_D2
WIFI_D3
WIFI_CMD
WIFI_CLK
WIFI_D1
WIFI_D0
SDIO_CLK
SDIO_CMD
SDIO_D3
SDIO_D0
SDIO_D2
SDIO_D1
XTAL_IN
XTAL_OUT
BT_WAKE
BT_HOST_WAKE
WIFIBT_32KIN
BT_RST
UART1_RX
UART1_TX
UART1_RTS
UART1_CTS
PCM_RX
PCM_TX
PCM_CLK
PCM_SYNC
WIFI_CMD
WIFI_CLK
WIFI_D2
WIFI_REG_ON
WIFI_D0
WIFI_D1
WIFI_D3
WIFI_HOST_WAKE
12*12mm/LGA-44
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