7.21
STDC14 debugging connector CN24
Figure 18.
STDC14 debugging connector CN24 (top view)
13
11
1
14
9
12
10
8
6
4
2
3
5
7
Table 34.
STDC14 debugging connector CN24
Pin number
Description
Pin number
Description
1
NC
2
NC
3
+3.3V
4
SWDIO-TMS /PA13
5
GND
6
SWCLK-TCK /PA14
7
GND
8
SWO-TDO/PB3
9
KEY
10
TDI/PA15
11
GNDDetect
12
RESET#
13
VCP_USART_RX /PB14
14
VCP_USART_TX /PB15
7.22
MEMS microphone coupon connectors CN25 and CN26
Figure 19.
MEMS microphone coupon connectors CN25 and CN26 (top view)
Table 35.
MEMS microphone coupon connectors CN25 and CN26
Pin number
Description
Pin number
Description
1
DATA
4
V
DD
2
GND
5
L/R
UM2525
STDC14 debugging connector CN24
UM2525
-
Rev 3
page 35/69