Connectors
9.1.9
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Table 27. RS232 & RS485 connector CN11 (continued)
Pin number
Description
4
RS485_A
5
GND
Standard SWD connector CN12
Figure 15. Standard SWD debugging connector CN12 (top view)
Table 28. Standard SWD debugging connector CN12
Pin number
1
VDD
3
NC
5
NC
7
SWDAT(PA13)
9
SWCLK(PA14)
11
10K pull-down
13
NC
15
RESET#
17
10K pull-down
19
10K pull-down
Pin
number
9
-
Description
number
2
4
6
8
10
12
14
16
18
20
UM2403 Rev 1
Description
RS485_B
-
Pin
Description
VDD
GND
GND
GND
GND
GND
GND
GND
GND
GND
UM2403
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