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1
2
L22
GPIO3_C0/SDMMC1_CMD/RMII_TX_EN
K22
GPIO3_C1/SDMMC1_D0/RMII_TX_D1
K23
GPIO3_C2/SDMMC1_D1/RMII_TX_D0
K19
GPIO3_C3/SDMMC1_D2/RMII_RX_D0
K20
GPIO3_C4/SDMMC1_D3/RMII_RX_D1
A
K21
GPIO3_C5/SDMMC1_CLKO/RMII_CLKO
J21
GPIO3_C6/SDMMC1_DET/RMII_RX_ERR
J22
GPIO3_C7/SDMMC1_WP/RMII_CSR_VALID
G23
GPIO3_D0/SDMMC1_PWR/MII_MD
H22
GPIO3_D1/SDMMC1_BACKEND/MII_MDCLK
H23
GPIO3_D2/SDMMC1_INT
L20
GPIO1_A0/UART0_RX
L19
GPIO1_A1/UART0_TX
L21
GPIO1_A2/UART0_CTS
L23
GPIO1_A3/UART0_RTS
V17
AP0_VCC
U1H RK3188
0.1uF
B
SD1_D0
R160
WIFI_D0
33ohm
SD1_D1
R162
WIFI_D1
33ohm
SD1_D2
R163
WIFI_D2
33ohm
SD1_D3
R164
WIFI_D3
33ohm
SD1_CMD
R166
WIFI_CMD
33ohm
SD1_CLK
R167
WIFI_CLK
33ohm
WIFI_RTC
R49
VCC18_RTC
0ohm
C
UART0_RX
R168
UTXD
33ohm
UART0_TX
R169
URXD
33ohm
UART0_RTS
R170
UCTS
33ohm
UART0_CTS
R171
URTS
33ohm
VCCIO_WL
10Kohm
R173
R174
10Kohm
D
UART0_RX
UART0_TX
1
2
3
GND
SD1_CMD
SD1_D0
SD1_D1
SD1_D2
3
1
SD1_D3
GND
3
SD1_CLK
GPS_SYNC
BT_EN
WB_EN
SYSRST_B
WIFI_INT_B
GND
1
BT_ANT
UART0_RX
UART0_TX
GND
UART0_CTS
UART0_RTS
0ohm
VCCIO_WL
C194
GND
BGF_INT_B
NC/0ohm
0ohm
VBATT
C134
C163
GND
0.1uF
10uF
0.1uF
0.1uF
3
4
5
CN9
W.FL-R-SMT-1(80)
R55
WIFI_ANT
0ohm
R216
BT_ANT
VCCIO_WL
R165
Q12
R132
MMBT3904
47Kohm
4K7ohm
GND
GND
GND
0ohm
R122
BT_EN
R157
1
BT_PWR_EN
VCCIO_WL
2
RT5370_VIO2
VBATT
R159
3
VBAT
4
GND
GND
VCCIO_WL
5
VIO1
WIFI_D2
6
SD_DATA2
WIFI_D3
7
SD_DATA3
WIFI_CMD
8
SD_CMD
WIFI_CLK
9
SD_CLK
WIFI_D0
10
SD_DATA0
WIFI_D1
11
SD_DATA1
UTXD
URXD
VCCIO_WL
UCTS
URTS
C195
C173
GND
4
5
6
GND
10Kohm
R155
R153
RTC_CLKOUT
R156
200Kohm-0402- ¡ À 5 %- 1/16W
WIFI_RTC
100Kohm
GND
GND
VCCIO_WL
R125
R154
32
USB_DP
31
USB_DM
30
WB_EN
PMU_EN
29
WIFI_INT_B
WIFI_INT_B
M500
28
R206
EFUSE
GND
27
U28
GND
GND
26
WIFI_ANT_MT5931
WIFI/BT_ANT
25
GND
GND
24
BT_ANT
BT_ANT
23
GND
GND
22
R215
SYSRST_B
SYSRST_B
0ohm
6
7
8
10Kohm
4K7ohm
10Kohm
R220
WIFI_ANT
0ohm
7
8
A
B
C
D
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