User Guide
ISSUE 1 09/2004 COMPANY CONFIDENTIAL 19
Copyright © 2004 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










