CSE-M53N User Manual Ver. 2.5
Sollae Systems Co., Ltd.
- 10 -
http://www.ezTCP.com
1.5.4 Pins
JP1 / JP2 Connector
JP1 and JP2 have headers of 2mm pitch. There are two triangle marks by the first pin
(pin number 1) of JP1 and JP2.
JP1
Name
Description
Direction
1
GND
Ground
-
2
TP_RXN
LAN IN -
Input
3
TP_RXP
LAN IN +
Input
4
GND
Ground
5
TP_TXN
LAN OUT -
Output
6
TP_TXP
LAN OUT +
Output
7
GND
Ground
-
8
RXD_LED LAN RECEIVE LED (Data Received – Low)
Output
9
TXD_LED
LAN SEND LED (Data Transmitted – Low)
Output
10
LINK_LED LINK LED (Connected with a LAN network – Low)
Output
Table 1-3 JP1
JP2
Name
Description
Direction
1
VDD_3.3V DC 3.3V volt power (V
DD
)
-
2
RST-
System Reset (Low Active)
Valid time for giving Low signal
: duration over 200us is recommended
* Normally, it is input. When reset, it outputs low
signal.
Input/
Output*
3
ISP-
Changing modes
Input
4
GND
Ground
-
5
RXD
UART IN
Input
6
TXD
UART OUT
Output
7
CTS
UART CTS
Input
8
RTS
UART RTS (Request To Send, – Low),
TXDE in RS485 (Sending data – High)
Output
9
TCP
TCP Status LED
( Connected – Low, Not connected – High )
Output
10
STS_LED
Status LED ( It operates depending on the state -
refer to the Table 1-5)
Output
Table 1-4 JP2