SENA HD132x Series - Manual (Page 7)

HD132x Series User Manual
7
Figure 3.2 HD1320 System Block Diagram
3.1.1 Power Supply
l Voltage Supply = 7.5V ~ 9V DC
l Current Supply = 150mA min.
3.1.2 Ethernet Interface
The HelloDevice is directly connected to an Ethernet hub or switch by the RJ45 connector. Distances
of up to 100m are supported.
(1) Ethernet Controller
The Ethernet controller provides functions of framing, addressing data, detecting, avoiding errors and
collisions.
Specifications:
l RealTek Full-duplex Ethernet Controller : RTL8019AS
l IEEE802.3 10Base-T Support
l NE2000 Compatible
RJ45 connector
to Ethernet
10 Base-T
filter
Ethernet controller
(10 Base-T)
Sx52BD
microprocessor
32 KB
RAM
1 serial port RS232
Power
supply