NuMaker-M2354
Dec. 25, 2020
Page
50
of 54
Rev 1.00
N
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-M2
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Ma
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NUC
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2
Us
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Wi-Fi Module (ESP-12)
Figure 5-8 shows the Wi-Fi Module (ESP-12) for wireless application on the NuMaker-M2354 board.
Figure 5-8 Wi-Fi Module Circuit
U2
ESP-12
RST
1
ADC
2
EN
3
IO16
4
IO14
5
IO12
6
IO13
7
VCC
8
TXD
22
RXD
21
IO5
20
IO4
19
IO0
18
IO2
17
IO15
16
GND
15
C
S0
9
M
ISO
10
IO9
11
IO10
12
M
OSI
13
SC
LK
14
URXD_ESP12
UTXD_ESP12
C6
0.1u
C0603
R3
10KR
R0603
VCC
RST_ESP12
R5
10KR
R0603
VCC
VCC
R6
10KR
R0603
R7
10KR
R0603
URTS_ESP12
VCC
IO0_ESP12
UCTS_ESP12
IO0_ESP12
J5
HEADER 2.54 6X1 f emale (NC)
GPIO
1
GND
2
URXD_ESP12
GND
URTS_ESP12
UCTS_ESP12
UTXD_ESP12
VCC
GND
VCC
P18
PD.12
IO0_ESP12
UART4_nRTS
P46
PE.13
P17
PC.13
RST_ESP12
UART4_TXD
P48
PC.7
UART4_nCTS
P47
PC.8
WIFI Off-page
UART4_RXD
P49
PC.6
Title
Size
Document Number
Rev
Date:
Sheet
of
NuMaker-M2354
V0.9
WIFI Module(ESP-12)
A4
9
10
Wednesday , January 22, 2020