6
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1.3 Schematics
Module pinout for AW-CU300A V3
Pin No
Definition
Basic Description
Type
Level
E7
B_3V3
3.3V Power input
PWR
3.3V
D7
M_3V3
3.3V Power input
PWR
3.3V
K1
GPIO_4
EN pin
I/O
3.3V
K2
GPIO_5
INT pin
I/O
3.3V
J7
GPIO_10
MSG pin
I/O
3.3V
G8
GPIO_26
32KHzCLK_OUT
I/O
3.3V
G1
GPIO_48
UART TXD
I/O
3.3V
G2
GPIO_49
UART RXD
I/O
3.3V
G7
GPIO_25
32KHz_CLK_IN
I/O
3.3V
K7
RESETN
RESETN
I/O
3.3V(internal pull
high 51k ohm)