SENA HD1300 - Manual (Page 6)

Starter Kit and User Manual for the HelloDevice 1300
6
3. Main Board Specifications
The hardware configuration and the system block diagram of the HelloDevice 1300 Main Board are shown
below in Figure 3.1 and Figure 3.2. (The board layout in Figure 3.1 may be slightly different from the layout of
the HelloDevice main board in the Starter Kit for the performance improvement.)
Serial Port
(RS-232/485)
10BaseT Ethernet
controller
RJ-45
Ethernet Connector
To Ethernet
Power Supply
( 5V DC )
512 KB
Flash Memory
microprocessor
86 mm
53 mm
Status LED's
Tx Rx
Power Collision
1
2
3-1
3-2
3-3
4-2
5
RS-232/485
Conversion switch
4-1
Figure 3.1. the HelloDevice 1300 Configuration and Components
Figure 3.2. the HelloDevice 1300 System Block Diagram
RJ45 connector
to Ethernet
10 Base-T
filter
Ethernet controller
(10 Base-T)
Sx52BD
microprocessor
512 KB
Flash Memory
1 serial port
(RS232/RS485)
Power
supply