SENA HD1100 - Manual (Page 6)

Starter Kit and User Manual for the HelloDevice 1100
3
3. Main Board Specifications
The hardware configuration and the system block diagram of the HelloDevice 1100 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.)
16 points digital Input
(5V TTL) 10 Base-T
Ethernet Controller
RJ45 Ethernet
Connector
Pow er Supply
( 5V DC )
512 Kb
Flash Memory
Microprocessor
16 points digital output
(5V TTL)
Tx Rx
Status Display LED
2
3-2
3-1 4
5
3-3
1
Collision Pow er
86 mm
53 mm
J1
J2
Figure 3.1. HelloDevice 1100 Configuration and Components
Figure 3.2. HelloDevice 1100 System Block Diagram
RJ45 connector
to Ethernet
10 Base-T
filter
Ethernet controller
(10 Base-T)
Sx52BD
microprocessor
512 KB
Flash Memory
16 point TTL input
16 point TTL output
Power
supply