Datasheet

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RN-ISP-UM-1.1
Figure 3. RN-ISP Pin Description
16-Pin Debug Connector (J3)
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Pin
Description
1
GND
2
VDD_TARGET
3
ISP_DMA_RX
4
ISP_USER_TX
5
ISP_WAKE!
6
ISP_RESET
7
ISP_DMA_TX
8
ISP_USER_RX
9
VDD_TARGET
10
GND
11
ISP_SCK
12
ISP_MOSI
13
ISP_MISO
14
ISP_IRQ
15
ISP_SS
16
ISP_PWR_DOWN
Jumper Block (P2)
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Row
Description
1
PWR_DOWN
2
USER_RTS
3
USER_CTS
4
USER_RX
5
USER_TX
6
DMA_RX
7
DMA_TX
8
SS
9
IRQ
10
MISO
11
MOSI
12
SCK
13
VDD_3V3_SW
10-Pin Debug Connector (J4)
!
Pin
Description
1
GND
2
VDD_TARGET
3
ISP_DMA_RX
4
ISP_USER_TX
5
ISP_WAKE
6
ISP_RESET
7
ISP_DMA_TX
8
ISP_USER_RX
9
ISP_USER_CTS
10
ISP_USER_RTS
SWD (J2)
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Pins
Description
1
3.3-V VDD
2
SWD_DATA
3
GND
4
GND
5
SWD_CLK
6
No connect
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15
13
11
9
7
5
3
1
16
14
12
10
8
6
4
2
1
2
3
4
5
6
7
8
9
10
11
12
13
9
7
5
3
1
10
8
6
4
2
4
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