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Baseband description
System module block diagram
The device consists of two different main modules: transceiver (1lf) and UI (1hv). The transceiver board consists
of baseband and RF components
The UI board consists of key domes and keypad backlights. Connection between the UI and the transceiver board
is established via a board-to-board spring connector.
Note:
In this description, user interface HW covers display, camera, keyboard, keyboard backlight and
ALS.
Figure 92 System level block diagram
Baseband functional description
Digital baseband consists of ISA based modem and SYMBIAN based application sections. Modem functionality
is in RAP3G and OMAP acts as a platform for SYMBIAN applications.
RM-57/58
System Module
Nokia Customer Care
Issue 1
Company Confidential
Page 9–7
Copyright ©2005 Nokia. All Rights Reserved.
Summary of Contents for RM-57
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