Rh-47 Bb Features & Hw Interfaces; Rh-47 Bb User Interface; Ui Module Interface; Bluetooth - Nokia RH-47 Series Description

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RH-47

7 - Baseband Description & Troubleshooting

RH-47 BB Features & HW Interfaces

The UI module consists of the LCD and keymat. Colour display resolution is 176 x 208

and backlighting is via 6 orange LED's with a lightguide. The display is connected to the

1CK module via an24-pin plug and socket. The keymat is connected to 1CK by 24-pin

board-to-board connector. Interface also includes power rails for keypad backlight. The

keymat interface uses GPIO pins of UPP_WD2.

Bluetooth provides a fully digital link for communication between a master unit and one

or more slave units. The system provides a radio link that offers a high degree of flexibil-

ity to support various applications and product scenarios. Data and control interface for

a low power RF module is provided. Data rate is regulated between the master and the

slave.

The SIM interface is located in two chips (UPP_WD2 and UEM). In UEM, there is only

support for one SIM card. The interfaces support both 1.8 V and 3 V SIM cards. Adjust-

able SIM regulator (1.8V/3.0V) is located in the UEM.

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Figure 3: UI module block diagram

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