Nokia 5140 Manuales De Servicio
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
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
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
2. GND
3. SDA
4. SCL
5.
FCIInt
Bottom View