Pin Assignment And Dimension; Wiz120Sr Pin; Wiz120Sr Pin Assignment - Wiznet WIZ120SR User Manual

5. PIN Assignment and Dimension

Pin name
/RESET
USART1_RX
USART1_TX
USART1_RTS
USART1_CTS
USART2_RX
USART2_TX
USART2_RTS
USART2_CTS
SW_INPUT
BOOT0
STATUS_1
STATUS_2
TPRX-
TPRX+
TPTX-
TPTX+
/LINK_LED
/ACT_LED
PWFBOUT
VCC
WIZ120SR User‟s Manual (WIZnet, Inc.)
Figure 10. WIZ120SR Pin Assignment
Description
Reset (Active Low)
RS-232 Data Input for USART1
RS-232 Data Output for USART1
RS-232 Request To Send for USART1
RS-232 Clear To Send for USART1
RS-232 Data Input for USART2
RS-232 Data Output for USART2
RS-232 Request To Send for USART2
RS-232 Clear To Send for USART2
Reserved I/O
Boot select signal
High : boot as MCU boot loader
Low : boot as WIZ120SR application
High: Not connected
Low: Connected
High: Not connected
Low: Connected
Ethernet Differential Input-
Ethernet Differential Input+
Ethernet Differential Output-
Ethernet Differential Output+
Link LED
Active LED
Power Feedback Out
3.3V Power
Table 10. WIZ120SR PIN Assignment
I/O
Input
Input
Output
Output
Input
Input
Output
Output
Input
Input
Input
Output
Output
Input
Input
Output
Output
Output
Output
Power
Power
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