User Guide

Display connector and interface connections

Figure 115 Display connector

Table 15 Display interface connections

Pin Signal I/O Engine connection Notes

1 GND

WRX

-> Helen3 Lcdwrx

Write Enable

(active low)

3 GND

4 D0 <-> Helen3 Lcdda0 Data

5 D1 <-> Helen3 Lcdda1 Data

6 D2 <-> Helen3 Lcdda2 Data

7 D3 <-> Helen3 Lcdda3 Data

8 GND

VDDI

<- Retu VIO

Interface

voltage

10 VDD <- Retu VAUX Core voltage

11 GND

LEDin

<- N2301 VLEDOUT1

N2301 is

controlled by

Tahvo

13 LEDout -> R2304 SETCURR1 Sink resistor

14 GND

CSX

<- Helen3 Lcdcsx

Chip Select

(active low)

RM-1

Nokia Customer Care System Module

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