SENA HD1100 - Manual (Page 10)

Starter Kit and User Manual for the HelloDevice 1100
7
3.5 Flash Memory
Web page resources files that the user creates to control the user device are stored in the flash memory of
HelloDevice Main Board.
§ 4 MBits (512 KBytes)
§ Composed of 2,048 sectors of 256 Bytes.
3.6 Firmware
The HelloDevice Firmware resides in the program memory of microprocessor. The firmware includes a TCP/IP
stack conforming to the Open System Interconnection (OSI) requirements for an Internet connection, and the
digital I/O interface for connection to the user devices.
Layer The HelloDevice Supports:
7 Application HTTP
Digital I/O
Control System
Setting
BOOTP
6 Presentation
5 Session
4 Transport
3 Network TCP UDP
2 Data link IP / ICMP ARP
1 Physical layer Ethernet (IEEE802.3)
Table 3.2. OSI 7 Layers and the HelloDevice 1100 Firmware