Wiznet W7500S2E Series, User Manual, Page: 8 / 52

W7500S2E serial to Ethernet module
W7500S2E user manual
5
2 Hardware description
2.1 Pin definition
2.1.1 W7500S2E-Z1 pinout and pin definition
Table 2-1 W7500S2E-Z1 pin definition
Pin
no.
Pin Name I/O Description
1 TXOP O Ethernet TXOP signal
2 TXON O Ethernet TXON signal
3 RXIP I Ethernet RXIP signal
4 RXIN I Ethernet RXIN signal
5 DATA_LED O
Ethernet & serial status indicator
Change status while data channel changes
6 TXD O UART TXD signal
7 RXD I UART RXD signal
8
RTS O UART flow control RTS signal
485EN O
Configurable as 485 enable pin
(This function is supported by firmware
version is 2.2 or above)
9 DEFAULT I Factory reset pin (pull down over 3s)
10 RESET I Reset pin (pull down over 200ms)
11 GND - Ground
12 GND - Ground
13 VCC - DC 5.0V
14 VCC - DC 5.0V
15 LINK_LED O Ethernet link indicator
16 × - -
17 × - -
18 × - -
19 × - -
20 × - -
21 CTS I UART flow control CTS signal pin
22 TCP_STATUS O
TCP connection status indicator
High: TCP connection Close
Low: TCP connection Establish
(This function is supported by firmware
version is 2.2 or above)
23 × - -
Figure 2-1 W7500S2E-Z1 pinout