User Guide

RAE-6/RA-4

Nokia Customer Care 6 - Baseband Description and Troubleshooting

18 COMPANY CONFIDENTIAL Issue 1 12/04

Figure 4:Display interfaces

Keyboards

Cover keyboard and command buttons

The cover keyboard and the four command buttons are directly connected to the OMAP1510

keyboard matrix.

QWERTY

An external keyboard controller is used for the QWERTY keyboard. COP8 is connected via I

bus to OMAP1510 with an additional interrupt line to OMAP1510.

Power button

The power button is connected directly to UEMEK in the DCT4 engine. See Chapter Power up

and system states for further details on the power button operation.

Bluetooth

A single chip Bluetooth solution, BC02, is used in RAE-6/RA-4. The chip contains radio and

baseband parts as well as MCU and on-chip ROM memory. Together with some external com-

ponents (filter, balun etc.) and the antenna, it forms the Bluetooth system, which is attached to

the host (OMAP1510). Bluetooth components are mounted directly to the PWB.

IrDA

RAE-6/RA-4 design includes a small (height 2.2 mm) metal shielded module. The modules use

speeds up to 115.2kbps.

CMT Disp la y

PDA Disp la y

OMAP1510

Level

Sh ift e rs

DO UT

Cs0

RST

CLK

Cs3

RST

DIN

Da t a

Re se t

Clock

Do u t

Din

Clk

Re se t

Vid e o

data

Vid e o

data