SENA HD1300 - Manual (Page 10)

Starter Kit and User Manual for the HelloDevice 1300
10
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
serial communications interface for connection to the user device.
Layer The HelloDevice Support
7 Application HTTP
Serial Communication.
Interface System
Management
BOOTP
6 Presentation
5 Session
4 Transport
3 Network TCP UDP
2 Data link IP / ICMP ARP
1 Physical layer Ethernet (IEEE802.3)
Table 3.1. OSI 7 Layers and the HelloDevice 1300 Firmware