User Guide

Nokia Customer Care Schematics and Layouts/RM-14, v.1.0 RM-14
ISSUE 1 11/04 Copyright ©Nokia 2004. All rights reserved. Page A-22
IR module
schematic for all projects!
C 350 - 353
are ground, when 1.8V
IR is used!
350
Used referenses
350
SD
TXD
RXD
UEM IR level shifters
N
For IR transceiver
R
IRED_A
IRGND
1
G_IR is connected to G_MAP preferred
IRGND
VFLASH1
VBAT
IRGND
R350
/2 100n1
C352
8
GND
4R7
Anode
IRED2
Cath
TxD
3
RxD
4
5
SDVcc1
6
Vlogic
7
N350
TFDU5307
IRED 1
VFLASH1
C351
22p
4u7
C350
IRGND
IRGND
VIO
/2 100n2
C352
XE432
XE423
GND
GND
0
2
0
GND
XE431
GENIO(31:0)
IACCDIF(5:0)
GPIO(31:0)
IRIF(2:0)
IRIF_I(1:0)
G_IR(3:0)
IRGND
0