
User’s Manual of Board Microcontroller version ET-STM32F103 (ARM Cortex-M3)
ETT
CO.,
LTD
-
15
-
WWW.ETT.CO.TH
C1+
1
C1-
3
C2+
4
C2-
5
R1O
12
T1I
11
R2O
9
T2I
10
VCC
16
V+
2
V-
6
GND
15
R1I
13
T1O
14
R2I
8
T2O
7
U2
ICL3232
C10
100n
C11
100n
C12
100n
C13
100n
C9
100n
+3V3
+3V3
+3V3
RXD-1
TXD-1
RXD-2
TXD-2
1
2
3
4
J11
USART1(Download)
1
2
3
4
J12
USART2
PA10
PA9
PA3
PA2
R14
100
1
2
3
J13
1
2
3
J14
PA3-P
PA2-P
Cable that is used to connect signal RS232 between
Comport of computer PC and USART-1 Connector and USART-2
Connector of Board ET-STM32F103 is shown as below;
1
6
2
7
3
8
4
9
5
DB9(FEMALE)
1
2
3
4
ET-RS232
RXD
TXD
GND
RXD
RTS
DSR
TXD
CTS
DTR
GND
CD
RI
RS232-PC
Figure displays circuit of signal cable for RS232.
Содержание ET-STM32F103
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