5
4
3
2
1
U22
ANT
D
LORA_VCC
IO26
HPDIO1
HPDIO2
16
15
14
13
12
11
10
9
ANT
GND
GND
SDN/IO5
IO3/RX IRQ/RESET
IO4/TX
NSS/SEL
VCC3V3
SCK
IO0
MOSI/SDI
IO1
MISO/SDO
IO2
GND
1
2
3
4
5
6
7
8
IO23
IO18
IO5
IO27
IO19
D
TTGO LORA
C
HPDIO1
HPDIO2
HPDIO1
HPDIO2
IO26
IO23
IO18
IO5
IO27
IO19
IO26
IO23
IO18
IO5
IO27
IO19
IO23=IRQ/RESET
IO18=NSS/SEL
IO5=SCK
IO27=MOSI/SDI
IO19=MISO/SDO
IO26=DI0/IO0
C
50 Ohm RF trace
C6101
56pF
C0402
ANT
C6102
NC
C0402
U54
1
2
3
4
5
C6103
NC
C0402
ANT
GND
GND
GND
GND
LORA_ANT
B
B
ANT3 ANT
2
3
GND
ANT
1
GND
A
A
Title
T22_V1.1
Size
A
Date:
5
4
3
Document Number
TTGO LORA
Wednesday, April 22, 2020
2
Rev
V1.1
Sheet
1
of
1
5
5
4
3
2
1
D
D
UART
U10
VBUS0
ULC0511C
5
C19
C31
10uF
100nF
6
J1
1
2
3
4
5
DD+
VBUS
DD+
ID
GND
C
2
SH1
SH2
SH3
SH4
SH5
SH6
6
7
8
9
10
11
7
VBUS0
D15
8
1N4148
DM
4
DP
3
MICRO_USB_SMT
10
16
D1-
D1-
R30
NC
D-
D1+
D1+
R26
NC
D+
D+
R25
2
8L4 1
R24
GND
RST
SW4
2
1 2
1
4
DM
10R
R65
REGIN
VBUS
DD+
NC
VPP
ED7
1
24
23
22
21
20
19
18
RI
DCD
DTR
DSR
TXD
RXD
RTS
CTS
DTR
R32 470R R0402
U0RXD
U0TXD
R31 470R R0402
RTS
U0RXD
U0TXD
RST/EN
IO0
reset
3
3 4
4
22R
9
17
15
RST
SUSPEND_HIGH
SUSPEND_LOW
DP
3
B
C
RST/EN
U0RXD
U0TXD
RST/EN
IO0
U3 UMH3N
RTS
1
DTR
2
IO0
3
C66
1
6
2
5
3
4
6
RST/EN
5
RTS
4
DTR
B
R64
ULC0511C
1uF
ULC0511C
ULC0511C
VDD
CP2104
ED4
ED3
D-
10R
14
13
12
11
GPIO0
GPIO1
GPIO2
GPIO3
VIO
GND
VIO33
25
ED5
USB
12K
+3V3
A
A
Title
T22_V1.1
Size
A
Date:
5
4
3
Document Number
POWER
Wednesday, April 22, 2020
2
Rev
V1.1
Sheet
2
of
1
5
5
4
3
2
1
D
D
GPS_VDD
U20
1
2
3
4
A0
A1
A2
VSS
8
7
6
5
VCC
WP
SCL
SDA
GSCL
GSDA
IO37
D1D1+
RXD1
TXD1
RXD1
TXD1
VCC_RTC
IO37
24AA32A
D1D1+
D7
1N4148
R41
LED_G2
Red
R34
2K
1
2
3
4
5
6
7
R33
GPS_VDD
NC0
SS_N
TIME PULSE
EXTINT0
USB_DM
USB_DP
VDDUSB
GND
VCC
V_BCKP
RXD1
TXD1
SCL2
SDA2
24
23
22
21
20
19
18
RXD1
TXD1
GSCL
GSDA
2
GND
ANT
1
GND
8
9
10
11
12
NC1
VCC_RF
GND
RF_IN
GND
NC2
SCK
MISO
MOSI
GND
17
16
15
14
13
2
3
R38 100R
J13
MS412FE
2
R37 22UH
ANT4 ANT
C
2.2K
1
D1D1+
U21
1
470R
C
B
B
NEO-6M/M8N
A
A
Title
T22_V1.1
Size
A
Date:
5
4
3
Document Number
GPS
Wednesday, April 22, 2020
2
Rev
V1.1
Sheet
3
of
1
5
5
4
3
2
GND
22pF/6.3V(10%)
1
C2
+3V3
VDD_SDIO
R46 NC R0402
IO12
IO4 RED
+3V3
C6
0.1uF/6.3V(10%)
+3V3
GND
R36 0(1%)
3
C18
NC
L4
C28
NC
NC
IO36
IO37
IO38
IO39
RST/EN
IO34
IO35
C29
GND
NC
GND
1
2
3
4
5
6
7
8
9
10
11
12
VDDA
LNA_IN
VDD3P3
VDD3P3
SENSOR_VP
SENSOR_CAPP
SENSOR_CAPN
SENSOR_VN
CHIP_PU
VDET_1
VDET_2
32K_XP
IO33
R16
0(1%)
FLASH_CLK
IO37
ESP32-DOWDQ6
R15
GPIO23
GPIO18
GPIO5
SD_DATA_1
SD_DATA_0
SD_CLK
SD_CMD
SD_DATA_3
SD_DATA_2
GPIO17
VDD_SDIO
GPIO16
36
35
34
33
32
31
30
29
28
27
26
25
IO23
IO18
IO5
SDI/SD1
SDO/SD0
SCK/CLK
SCS/CMD
SWP/SD3
SHD/SD2
GPIO17
U6
SRAM_CLK
C20
C24
1uF/16V(10%)
0.1uF/6.3V(10%)
IO32
IO33
RXD1
TXD1
RXD1
TXD1
C33
0.1uF/6.3V(10%)
A
U0TXD
U0RXD
IO23
IO4
IO0
1
2
3
4
5
6
7
8
9
10
11
12
13
Headers
VCC_2.5V
IO22
IO21
VCC_2.5V
HPDIO2
HPDIO1
VSYS
SW5
4
3 4
3
reset
1
1 2
2
+3V3
+3V3
NC R67
4.7K R63
13
12
11
10
9
8
7
6
5
4
3
Headers2
1
IO36
IO39
RST/EN
IO15
IO35
IO32
IO33
IO25
IO14
IO13
IO2
key
22R
SDO/SD0
3
SWP/SD3
R17
R20
R58
R59
HPDIO2
HPDIO1
IO12
IO34
22R
22R
22R
22R
U0RXD
U0TXD
U0RXD
U0TXD
RST/EN
IO0
IO35
IO22
IO21
IO37
RST/EN
IO0
IO35
IO22
IO21
IO37
IO26
IO23
IO18
IO5
IO27
IO19
HPDIO1
HPDIO2
IO26
IO23
IO18
IO5
IO27
IO19
HPDIO1
HPDIO2
B
IO38
IO37
Title
T22_V1.1
Date:
4
SDI/SD1
2
A
R62
Size
B
5
/WP
5
GND
ULC0511C
U14
/HOLD
DI
DO
GND
ED6
U12
CLK
+3V3
U7
GND
Connector
7
SHD/SD2
/CS
W25Q32
IO13
IO15
IO2
IO0
IO4
0(1%)
IO25
IO26
IO27
IO14
IO12
GPIO17
1
FLASH_CLK 6
GPIO16 VDD_SDIO
C
VDD_SDIO
SCS/CMD
B
0(1%)(NC)
R18
SHD/SD2
SRAM_CLK
SDI/SD1
IPS6404
GND
32K_XN
GPIO25
GPIO26
GPIO27
MTMS
MTDI
VDD3P3_RTC
MTCK
MTDO
GPIO2
GPIO0
GPIO4
IO32
SCK/CLK
48
47
46
45
44
43
42
41
40
39
38
37
GND
5.6pF
C17
3D_ANT
GND
8
7
6
5
CS#
VDD
SO/SIO1
SIO3
SIO2
SCLK
VSS
SI/SIO0
8
GND
U4
1
2
3
4
VCC
R40
NC
GND
CAP1
CAP2
VDDA
XTAL_P
XTAL_N
VDDA
GPIO21
U0TXD
U0RXD
GPIO22
GPIO19
VDD3P3_CPU
3
10uF/16V(10%) 10uF/16V(10%) 1uF/16V(10%) 0.1uF/6.3V(10%)
10K(1%)
GPIO16
SDO/SD0
SWP/SD3
GND
ANT
C22
4
2
1
C12
13
14
15
16
17
18
19
20
21
22
23
24
2
2
U15
C32
49
C15
1
GND
VDD_SDIO
R35
GND
GND
GND
2.0nH
J39
IPEX
4
VDD_SDIO
0.1uF/6.3V(10%)
L218
4
3.3nF/6.3V(10%)
10nF/6.3V(10%)
C16
D
1K
FLASH/PSRAM
IO21
U0TXD
U0RXD
IO22
IO19
C8
C21
R23
+3V3
R39 20K(1%)
GND
LED_G5
22pF/6.3V(10%)
GND
GND
40MHz+/-10ppm
GND
R19 10K(1%)/NC
C4
C3
100pF/6.3V(10%)
+3V3
GND
GND XOUT
XIN
D
U1
GND
GND
2
ESP32 Module:with 1.8V Flash & SRAM
The operating voltage for signals marked in blue is 1.8V.
LED
3
4
Core
C
1
3
2
Document Number
ESP32
Wednesday, April 22, 2020
Rev
V1.1
Sheet
1
4
of
5
5
4
3
2
1
VBUS0
VCC_RTC
C8209 1uF
R8215 10K
D
D
C8211 10uF/6.3V
R8214
10K
VBATT
LED_G4
BLUE R22
1K
VSYS
CHGLED
C8214
10uF/6.3V
VINT C8212
0.1uF
VREF C8213
1uF
AGND
LORA_VCC
36
35
34
33
32
31
30
29
28
27
26
25
CHGLED
R8219
0R/NC
CHGLED
BAT2
BAT1
ACIN2
ACIN1
VBUS
BACKUP
SYSEN
LDO1
PWREN
VINT
VREF
R8220
100R
C8221
EXTEN
AXP_IO3
C8225
AXP_IO4
1uF
C8226
10uF/6.3V
C
VSYS
VCC_2.5V
L5003 2.2uH/1.5A
22uF/6.3V
49
C8229
TS
IPSOUT1
IPSOUT2
EXTEN
GPIO3
GPIO4
NC
VIN1 1200mA
LX1
PGND1
DCDC1
IRQ
PMU_IRQ
+3V3
24
23
22
21
20
19
18
17
16
15
14
13
C8216
2.2uF
C0603
BIAS
PMIC_PWRON
APS
THERMAL
10K
VCC_RTC
U7002
AXP192
QFN48
BIAS
PWRON
AGND
APS
GPIO2
LDOio0/GPIO0
GPIO1
DCDC3
PGND3
LX3
700mA
VIN3
LDOIN
C8222 0.22uF
AXP_IO2
AXP_IO0
AXP_IO1
GPS_VDD
R8223
0R
AGND
VSYS
L5002
2.2uH/1.5A
C8227
VSYS
C8217
2.2uF
C0603
C8228
VDD3V3
AXP_IO0
1
TEST3
TP57
AXP_IO1
1
TEST3
TP58
AXP_IO2
1
TEST3
TP59
AXP_IO3
1
TEST3
TP60
C
10uF/6.3V 0.1uF
10uF/6.3V
C8232
AXP_IO4
1
TEST3
TP61
C8230
10uF/6.3V R8224
1R
EXTEN
1
TEST3
TP62
1
2
3
4
5
6
7
8
9
10
11
12
R8226
+3V3
37
38
39
40
41
42
43
44
45
46
47
48
SDA
SCK
N_RSTO
N_OE
PWROK
N_VBUSEN
VIN2 1600mA
LX2
PGND2
DCDC2
LDO3
LDO2
0.1uF
VSYS
EXTEN
R8218
200K
R0402
IO21
IO22
R8227
R45
0R
R43
0R
10K N_RSTO
R8228
10K RSTN
R8230
1K
VSYS
LORA_VCC
GPS_VDD
R8233
0R/NC
C8237 10uF/6.3V
VCC_2.5V
R54 NC
VDD3V3
R55 0R
+3V3
VSYS
B
B
R8232
R60
VCC_RTC
10K/NC
10K VSYS
N_VBUSEN
R173
47K
PMIC_PWRON
+3V3
VBATT
1
2
SW6
reset
G
GND
ED2200
2
ESD9B5V
S
Q10
3
D
NCE3401AY
2
NC
3
VCC
18650
IO21
IO22
IO21
IO22
IO35
IO35
A
10K
4
3
10K
4
3
R8231 R8229
1
1
2
P2
1
AXP_IO0
AXP_IO1
AXP_IO2
AXP_IO3
EXTEN
R53 0R
PMU_IRQ
AXP_IO0
AXP_IO1
AXP_IO2
AXP_IO3
EXTEN
A
Title
T22_V1.1
Size
B
Date:
5
4
3
2
Document Number
AXP192
Thursday, May 21, 2020
Rev
V1.1
Sheet
1
5
of
5