Wifi/Bt Circuit - Boardcon Embedded Design MINI3288 User Manual

2.10 WiFi/BT Circuit

C94 27pF R138 100R
C0603 R0603
Y 2
1 4
XIN GND
2 3
GND XOUT
26MHz
C95 27pF CRY -D3225
C0603
OPTION 2
Frequency Offset less than 20PPM!
SDIO0_D0
R145 22R R0603
SDIO0_D1
R148 22R R0603
SDIO0_D2
R149 22R R0603
SDIO0_D3
R150 22R R0603
SDIO0_CMD
R153 22R R0603
SDIO0_CLK
R154 22R R0603
VCC_IO VBAT_WL
L20
BLM18PG181SN1
L0603 C118 C119
3.0V-4.8V
10uF 0.1uF
供 电 电 流 至 少 400mA
C0805 C0603
VCC_IO
WIFI/BT
C111
12pF
WIFI_D0
C109 33pF/NC C0603
WIFI_D1
C112 33pF/NC C0603
WIFI_D2
C113 33pF/NC C0603
WIFI_D3
C114 33pF/NC C0603
WIFI_CMD
C115 33pF/NC C0603
WIFI_CLK
C116 33pF/NC C0603
VCCIO_WL
VCC_18 VCCIO_WL
L21
BLM18PG181SN1
L0603 C120 C121
10uF 0.1uF
L22 C0805 C0603
NC/BLM18PG181SN1
L0603
Customize the embedded system based on
VCC_IO
C117
VCC_IO
X4
32.768KHz 0.1uF R208
10K R144
U31
10K
1 8
R0603
OSCI VDD
2 7 32.768KHz 32.768KHz
OSCO CLKOUT
3 6
~INT SCL
4 5
VSS SDA
HY M8563
VBAT_WL
U11
AP6212
WIFI_REG_ON 12
WL_REG_ON
13
WIFI_HOST_WAKE
WL_HOST_WAKE
14
WIFI_D2
SDIO_DATA_2
15
WIFI_D3
SDIO_DATA_3
WIFI_CMD 16
SDIO_DATA_CMD
WIFI_CLK 17
SDIO_DATA_CLK
18
WIFI_D0
SDIO_DATA_0
19
WIFI_D1
SDIO_DATA_1
20
GND
21
VIN_LDO_OUT
22
VDDIO
C103 C104
4.7uF 0.1uF
C0603 C0603
C105 R143
0R
4.7uF
C0603
VCCIO_WL
C110
1uF
19
Your Idea
UART0_RX
UART0_RX
UART0_TX
UART0_TX
UART0_CTS
UART0_CTS
UART0_RTS
UART0_RTS
SDIO0_D0
SDIO0_D0
SDIO0_D1
SDIO0_D1
SDIO0_D2
SDIO0_D2
SDIO0_D3
SDIO0_D3
SDIO0_CMD
SDIO0_CMD
SDIO0_CLK
SDIO0_CLK
BT_WAKE
R162
BT_WAKE
WIFI_REG_ON
10K
WIFI_REG_ON 18
R0603 BT_RST
BT_RST
WIFI_HOST_WAKE
WIFI_HOST_WAKE 18
BT_HOST_WAKE
I2C1_SCL BT_HOST_WAKE 18
I2C1_SDA
I2C1_SDA
I2C1_SCL
50 ohm
C91
1
R137 0R
R0603
33pF
C92 C93
NC NC
47
N_VDDSWP_IN
46
N_VDDSWP_OUT
45
N_VDDSWPIO
44 UART0_RTS
UART_CTS_N
43
UART0_TX
UART_RXD
42
UART0_RX
UART_TXD
41
UART0_CTS
UART_RTS_N
40
TX1
39
TX2
38
N_REG_PU
37
N_I2C_SCL
36
GND
35
N_I2C_SDA
34
BT_RST
BT_RST_N
18
18
18
18
18
18
18
18
18
18
18
18
11,21,22,24
11,21,22,24
2
3
4
P7
IPEX
GSC/SMD