SENA HD1200 - Manual (Page 8)

Starter Kit and User Manual for the HelloDevice 1200
5
3.2 Power Supply
!" Voltage Supply = 5V DC
±
10%
!" Current Supply = 200mA or lower
3.3 Microprocessor Specifications
!" Scenix SX52BD 8 Bit Microprocessor
!" 4 Kbytes Program Memory
!" 52-pin PQFP (See Figure 3.1, part [2])
3.4 Ethernet Interface
The HelloDevice is connected to an Ethernet hub or switch by the RJ45 connector on the HelloDevice Demo
Board. Distances of up to 100m are supported.
3.4.1 Ethernet Controller
The Ethernet Controller provides the functions of framing and addressing data, and detecting and avoiding errors
and collisions (See Figure 3.1, Part [3]).
Specifications:
!" RealTek Full-duplex Ethernet Controller: RTL8019AS
!" Supports 10 base-5, 10 base-2 and 10 base-T compliant with IEEE802.3
!" 16 Kbytes SRAM
!" NE2000 Compatible
3.4.2 RJ45 Connector
!" Shielded Connector compliant with AT&T258 specifications (In Demo board)