WIZ105SR-EVB WIZnet, WIZ105SR-EVB Datasheet - Page 11

• Manufacturer Part Number: WIZ105SR-EVB
• Description: Interface Development Tools EVALUATION BOARD FOR WIZ105SR
• Manufacturer: WIZnet
• Type: Serial to Ethernetr

Specifications of WIZ105SR-EVB

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: WIZ105SR
• Interface Type: Ethernet, RS-232
• Operating Supply Voltage: 3.3 V
• Dimensions: 40 mm x 62 mm x 17 mm
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Operating Supply Current: 250 mA

3.3V
/RESET
RXD
CTS
TXD
RTS
/FACTORY_RESET
/HW_TRIGGER
1.3.2.
WIZ105SR provides an external connector to connect it with your application board. The pin
assignment and definition of the connector are introduced in Figure.1 and the specification of
each pin is described in Table 3.
☞ All signals are in 3.3V
Hardwired Internet Connectivity Wizard (WIZnet, Inc.)
Name
Connector Pin Assignment
Figure 1. WIZ105SR Connector Pin Assignment and Definition
Power
Low active reset
Minimum 1.2 usec is required.
Do NOT leave the input pin(nRESET) as floating.
If it is not in use, it must be pulled-up, otherwise the
module may not work properly.
RS-232 Data Input
RS-232 Clear To Send
RS-232 Data Output
RS-232 Request To Send
Pull Factory Reset to low and if /RESET is activated,
the configuration is changed to factory default.
When pulled low, enter the serial command mode
while WIZ105SR is powered on or reset. (In S/W
trigger method, this signal ignored.)
When WIZ105SR is booted over, this pin will indicate
the status of TCP/IP socket connection.
LVTTL.
1
3
5
7
9
11
Table 3. Pin Assignment
/RESET
RXD
CTS
TXD
RTS
GND
Functions
2
4
6
8
10
12
3.3V
3.3V
/FACTORY_RESET
/HW_TRIGGER
NC
GND
Input
Input
Input
Output
Output
Input
Input
/Output
I/O
Optional
Optional
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