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EVALSTPM32 Datasheet(PDF) 2 Page - STMicroelectronics

No. de pieza EVALSTPM32
Descripción Electrónicos  2 programmable LEDs on board
PDF  5 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

EVALSTPM32 Datasheet(HTML) 2 Page - STMicroelectronics

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Schematic diagrams
EVALSTPM32
2/5
DocID026138 Rev 1
1
Schematic diagrams
Figure 1. RS232/UART circuit schematic
C4
100n
U2
Si8621
VDD1
1
GND1
4
GND2
5
VDD2
8
A1-in
2
A2-out
3
B2-in
6
B1-out
7
C3
100n
J2
UART I/O
R1
10K
C2
100n
C7
100n
SW1
SW DIP-3
J1
RS-232 DB9
C5
100n
U1
MAX3232/SO
GND
15
VCC
16
R1IN
13
R2IN
8
T2IN
10
T1IN
11
C1+
1
C1-
3
C2+
4
C2-
5
R1OUT
12
R2OUT
9
T1OUT
14
T2OUT
7
V+
2
V-
6
C1
100n
J3
RS-232 enable
C6
100n
Vcc
Vcc
SCS
RXD
TXD
1 RXD
2 TXD
3 +3.3VDC
4 GND
NOTE: always provide supply
for both RS232 and UART
GALVANIC ISOLATION
ALL SWs OFF SELECT SPI AT POWER UP
ALL SWs ON SELECT UART AT POWER UP
GIPG25032014DI1545



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