Product Manual

TYWE3SE Datasheet
8
Pin No.
Symbol
I/O Type
Function
4
IO33
I/O
Used as a GPIO, which is connected to
32K_XN (pin 13) on the internal IC
5
IO14
I/O
Used as a GPIO, which is connected to
MTMS (pin 17) on the internal IC
6
IO25
I/O
Used as a GPIO, which is connected to
GPIO25 (pin 14) on the internal IC
7
IO13
I/O
Used as a GPIO, which is connected to
MTCK (pin 20) on the internal IC
8
VDD
P
Power supply pin (3.3 V)
9
IO26
I/O
Used as a GPIO, which is connected to
GPIO_26 (pin 15) on the internal IC
10
IO27
I/O
Used as a GPIO, which is connected to
GPIO_27 (pin 16) on the internal IC
11
GND
P
Power supply reference ground pin
12
IO16
I/O
Used as a GPIO, which is connected to
GPIO_16 (pin 25) on the internal IC
13
IO17
I/O
Used as a GPIO, which is connected to
GPIO_17 (pin 27) on the internal IC
14
IO15
I/O
Used as a GPIO, which is connected to
MTDO (pin 21) on the internal IC
15
GND
P
Power supply reference ground pin
16
IO4
I/O
Used as a GPIO, which is connected to
GPIO_4 (pin 24) on the internal IC
17
IO2
Output
UART0_TXD (used to print the module
internal information, but not recommended
to be used. For details, see the following
Note 3.)
18
IO0
I/O
GPIO_0 (used during module power-on and