ESP8266核心板原理图

GND
SW-PB GND
PIQ101
PIQ201
COR10 R10
PIR1001 PIR1002 PIQ202
12K COR7 R7
PIR701
PIR702
NLGPIO2 GPIO2
12K
NLGPIO0 GPIO0
PIR902
COR8 R8
PIR802
COS2 S2
PIR801 PIS201 P IS201 PIS202
3*6*3.5MM侧按贴片 ESP-S1 SOT23-5 SO-16 Y USB_T 3215
PIU204
PIC102
COC2 C2
RT91933.3
PIC302
22NF
PIU20
NLRST RST
PIS101
COC3 C3
PIC10UF 101
GND
COC1 C1
PIC301
COR1 R1
PIR101 PID10A PID10K
GND RXD0 TXD0 GND GND VCC5V R4 GND LED
Footprint Cap Cap Cap Cap Cap LED
LibRef
C4, C5, C7, C8, C9 C6 D1
Schottky Diode Header 9 NPN 470R 12K SW-PB 小e WIFI RT91933.3 CH340 microusb 12M Crystal Oscillator Header, 9-Pin NPN Transistor
COU3 U3 CH340 1 GND VCC 2 PIU302 TXD RS232 3 PIU303 RXD RTS 4 PIU304 V3 DTR 5 PIU305 UD+ DCD 6 PIU306 UDRI 7 PIU307 XI DSR 8 PIU308 XO CTS
PIU301
12K
PIR601
D
Comment Cap 104 22NF Cap 10UF LED
Description Capacitor Capacitor Capacitor Capacitor Capacitor C1 C2 C3
Designator 0805B 0603C 0603C 0603C 0805B 0603D 0805D HDR1X9 SOT-23 0603B 0603B
C
COR9 R9
COQ2 Q2 NPN
PIR901
NLGPIO15 GPIO15
470R
SW-PB
12K GND GND
12K
PIQ203
GND
RST
VCC5V
D
Title Size A4 Date: File: 1 2 3 2017/2/7 Sheet of F:\项目文档\果云科技\小EWIFI核心板 Drawn \小EWIFI By: 核心板.SchDoc 4 Number Revision
NLGPIO14 GPIO14 PIP202 NLGPIO12 GPIO12 PIP203 NLGPIO16 GPIO16 PIP204 EN PIP205 NLADC PIP206 ADC RST PIP207
VCC3.3V V5_IN
PIP208 PIP209
PIP201
GPIO13 7 GPIO5 8 RXD0 9 10 TXD0 11 RST 12
1
2
3
4
A VCC3.3V 1 PIU101 GPIO4 PIU102 2 GPIO0 PIU103 3 GPIO2 PIU104 4 GPIO15PIU105 5 6 PIU106 GND VCC GPIO4 GPIO0 GPIO2 GPIO15 GND
小e WIFI
GND GPIO14 GPIO12 GPIO16 EN ADC
PIU107 PIU108 PIU109 PIU10 PIU10 1 PIU1012
Header 9
Header 9
VCC5V
VCC3.3V
COU2 U2
GND B
PIU201
1 3
IN EN GND
OUT BYP
PIU205
5 4
B
2
PIC202 104 PIC201
COD1 D1
VCC3.3V
PIU203
D2 P1, P2 Q1, Q2 R1, R3, R4, R8 R2, R5, R6, R7, R9, R10 S1, S2 U1 U2 U3 U4 Y1
DIODE SCHOTTKY Header 9 NPN RES2 RES2 SW-PB Component_1 spx3819m5-3.3 CH340 microusb XTAL
A
COU1 U1
NLGPIO4 GPIO4 GPIO0 GPIO2 PIP106 GPIO15 PIP105 NLGPIO13 GPIO13 PIP104 NLGPIO5 GPIO5 PIP103 NLRXD0 RXD0 PIP102 NLTXD0 TXD0 PIP101
PIP108 PIP107
GPIO13 GPIO5 URXD GND UTXD RST
PIU3016
GPIO0
VCC3.3V
COR2 R2
12K COR6 R6
COCBaidu Nhomakorabea C5
PIR202
COQ1 Q1 NPN
PIR201
NLEN EN
GPIO0
PIC502
PIC501
COS1 S1
PIS102
104
PIR602
GND
470R
COU4 U4
C 5 4 PIU404 3 D+ PIU403 2 D- PIU402 1 VCC5V PIU401 GND
PIU1018
GND 18 17 GPIO14 PIU1017 16 GPIO12 PIU1016 15 GPIO16 PIU1015 14 EN PIU1014 13 ADC PIU1013
COP1 P1
9 8 7 6 5 4 3 2 1
GND
PIP109
GND
COP2 P2
1 2 3 4 5 6 7 8 9
PIU405
PIR301 PIR401
COC7 C7
PIC701 PIC702
GND
microusb
PID201 PID20
V5_IN COD2 D2
PIC802 PIC801 30PF
0.1UF COY1 Y1 1 2 PIY101 PIY102
COC8 C812M
PIC902 COC9 C9 PIC930PF 01
PIR102
470R
COR3
R3
PIR302 PIR4C02OR4
470R
COC4 0.1UF C4 PIC401 PIC402 COC6 10UF C6 PIC601 PIC602 COR5 R5
PIR501 PIR502 PIQ102
PIQ103
16 15 PIU3015 14 PIU3014 13 PIU3013 12 PIU3012 11 PIU3011 10 PIU3010 9 PIU309