Nokia 5140 Manuales De Servicio

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Nokia Customer Care
System Module and User Interface
NPL-4/5
Issue 1 05/04
Copyright © 2004 Nokia Corporation. All rights reserved.
Page 41
Figure 11: FCI Interface
Figure 12: FCI Connector Pin Order on PWB
Memory
For the MCU UPP includes ROM, 2 Kbytes, that is used mainly for boot code of MCU. To 
speed up the
MCU operation small 64-byte cache is also integrated as a part of the MCU memory 
interface. For program memory 8Mbit (512 x 16bit) PDRAM is integrated. RAM block can 
 
UPP 
EN 
VBAT 
VIO 
FC_SDA
FC_SCL 
FC_INT
FC_Vout 
FCI ASIP 
ferrite 
ferrite 
ferrite 
ferrite 
Cout 
ferrite 
ferrite 
ferrite 
ferrite 
Terminal
Functional Cover
Cin 
Reg. 
Switch  
Short Circuit 
protection 
MCU
GenIO_18 
GenIO_22 
GenIO_2 
GenIO_25 
 
1
5
Keypad-side FC conn.
Pad layout
1. Vout 
2. GND 
3. SDA 
4. SCL 
5. 
FCIInt
 
Bottom View