Issue 2 06/2005
COMPANY CONFIDENTIAL
19
Copyright © 2005 Nokia. All Rights Reserved.
RH-53/54
8-System Module
Nokia Customer Care
Speaker (Ringer & Earpiece)
Table 9: Connections between UPP and Boomer
Table 10: Connections between UEM/Battery and Boomer
Hinge flex connection
Connection between main engine (lower block) and upper is done by hinge flex via 30 pins
board to board connector. Hinge flex includes Earpiece/Ringer, Display, SIM, LCD led and Vi-
bra signals.
Table 11: Hinge flex signals
Signal
From
To
Parameter
Min.
Max.
Unit
Notes
Shutdown
(Only
Ringer)
UPP
GENIO[14
]
Boomer
Shut-
down (pin
5)
Vih Vil
1.2 -
- 0.4
V V
Boomer
Shutdown
treshold
levels
Signal
name
From
To
Paramete
r
Min.
Max.
Unit
Notes
XAU-
DIO[1] Fil-
tered
signal
Differential
between HF and
HFCM. No direct
connection
between UEM
and Boomer
Boome
r
Output
Swing
-
80mV
Vpp
Long-term
consump-
tion
VBAT
Battery
Boome
r (pin 6)
Supply
3.2
4.39
V
Lower limit
is SW cut-
off
Pin
Signal
Comments
1,2,3,4
GND
5
LCD_CSL
Display Serial Clock
6
LCD_CSX
Display Chip Select
7,8,9
GND
10
Vibra
PWM signal
11
Vbat
For Vibra
12,13,14,15
GND
16
SIMCARD_Det
Detection of SIM Card
17
VSIM
3.0V/1.8V for SIM
18
SIM_RST
SIM Reset
19
SIM_IO
SIM Data
20
SIM_CLK
SIM Clock
