User Guide

RM-8/RM-47/RM-48
Nokia Customer Care 7 - System Module
24 COMPANY CONFIDENTIAL Issue 2 03/2005
Copyright © 2005 Nokia. All Rights Reserved.
SIM
The UEME contains the SIM interface logic level shifting. The SIM interface can be pro-
grammed to support 3V and 1.8V SIMs.
The SIM interface is powered up when the SIMCardDet signal indicates, ”card in”. This signal
is derived from the BSI signal.
Interface to Engine
Figure 9:TIKU/UEME SIM Interface Connections
The internal clock frequency from the CTSI Block is 13 MHz in GSM.
C5 C6 C7 C8
C1 C2 C3 C4
SIM
Tiku
UEMInt
CBusDa
CBusEnX
CBusClk
SIMData
SIMClk
SIMRst
VSIM
UEME
SIMIO
SIMClk
Data
SIMIO
SIMClk
Data
UIF Block
SIMIF Block
UEME Dig.
Logic
BSI
From Battery
type contact
GND GND