25
71 GND
72
+Vcc(3.3v)
73 GND
74
+Vcc(3.3v)
75 GND
Table 20:
M.2 B key slot For storage signals
The MiAPI port header must be 2x13, 2.54mm pitch, colored pink and keyed at pin 26, as defined in Table 24:
13.
Pin Signal Name
Pin Signal Name
1
NC
2
VCC
3
MAPI_GPIO1
4
Power Button
5
MAPI_GPIO2
6 UART_TX
7
MAPI_GPIO3
8 UART_RX
9
MAPI_GPIO4
10 5VSB
11
MAPI_GPIO5
12
Watchdog Timer
13
MAPI_GPIO6
14 GND
15
MAPI_GPIO7
16 GND
17
MAPI_GPIO8
18 GND
19
MAPI_GPIO9
20 GND
