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UM1540
Schematics
Figure 29. JTAG interface
3V3
3V3
3V3
R16
10k
PB3_TDO
RESET#
R19
10k
R20
10k
JTAG_20PIN
R37
4k7
R38
4k7
R39
4k7
PA14_TCK
R36
4k7
PA15_TDI
PB4_NTRST
PA15_TDI
PA13_TMS
PA14_TCK
R18
10k
PA13_TMS
1
3
5
7
9
11
13
15
17
19
PB4_NTRST
J1
2
4
6
8
10
12
14
16
18
20
AM10182V1
Figure 30. Mode selection switch
SW2
R15
100
2
PC5
1
3
C25
100nF
MODE SELECTION SWITCH
3V3
R17
10k
TP1
1
GND_T
TP2
3V3
1
TEST POINT
TEST POINT
TP3
TP4
1
VDD_T
TEST POINT
1
TEST POINT
AM10183v1
Doc ID 023152 Rev 1
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