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J3
No.
Name
1
GND
2
TX
3
RX
4
GND
5
IO9
6
IO8
7
GND
8
IO7
9
IO6
10
IO5
11
IO4
12
GND
13
IO18
14
IO19
15
GND
P: Power supply; I: Input; O: Output; T: High impedance.
Type
G
Ground
I/O/T
GPIO21, U0TXD
I/O/T
GPIO20, U0RXD
G
Ground
I/O/T
GPIO9
I/O/T
GPIO8
G
Ground
I/O/T
GPIO7, FSPID, MTDO
I/O/T
GPIO6, FSPICLK, MTCK
I/O/T
GPIO5, ADC2_CH0, FSPIWP, MTDI
I/O/T
GPIO4, ADC1_CH4, FSPIHD, MTMS
G
Ground
I/O/T
GPIO18
I/O/T
GPIO19
G
Ground
Function
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