TYLC4v1.0.0
User manual
2.2 Pin definition
Version1.0.0
4
2. Module Interfaces
2.1 Size Package
TYLC4 has two rows of pins and the spacing between each two pins is 2mm.
TYLC4 size: 16.69mm (W)×16.66mm (L) ×3.5mm (H). TYLC4 size is shown in figure2
：
Figure 2.1, TYLC4 dimensional drawing
The interface pin definition is shown in Chart 1:
Chart 1 TYLC4 Interface Pin Configuration Instruction
Table 2.1
，
WR1 pins description
Pin
Symbol
IOType
Function
1
RST
I/O
Hardware reset pin (effective at low electrical
level, with pull-up resistor inside)
2
EN
I
Module enabling pin needs to receive 3.3V power
supply
3
GND
P
Power reference ground
4
GPIO14
I/O
GPIO_14
5
GPIO12
I/O
GPIO_12
6
GPIO13
I/O
GPIO_13
7
GPIO4
I/O
GPIO_04
8
GPIO5
I/O
GPIO_05
9
RXD0
I/O
UART0_RXD 1
10
TXD0
O
UART0_TXD 1
11
VCC
P
Module’s power pin (3.3V)
Notes: P stands for power pin, I/O stands for input/output pin.
RST is only the module hardware reset pin, which cannot erase WiFi distribution network
information.
