User Guide

NSW-5
System Module UT5U
PAMS Technical Documentation
Page 46
Issue 1 10/00
 Nokia Mobile Phones Ltd.
FunctionUnitMaxTypMinParameterToFrom/
Control
Signal
name
SCLK MAD
(SCU
EROTUS,
UHF
Logic high ”1” 2 V
Synthesizer
dllk
(SCU,
SCLK )
UHF
PLL
Logic low ”0” 0.8 V
and control clock
SCLK )
PLL
tdma1900
Load resistance 50 k
Load capacitance 20 pF
Data rate freq. 1.62 MHz
SDATA MAD
(SCU
EROTUS,
UHF
Logic high ”1” 2.0 V
Synthesizer
dld
(SCU,
SDATA )
UHF
PLL
Logic low ”0” 0.8 V
and control data
SDATA )
PLL
tdma1900
Load resistance 50 k
Load capacitance 20 pF
Timing accuracy 20 us
SENA1 MAD
(SCU
EROTUS
Logic high ”1” 2.0 V
Synthesizer
dE l
(SCU,
SENA1 )
Logic low ”0” 0.8 V
and Erotus control
enable
SENA1 )
Load resistance 50 k
enable
Load capacitance 20 pF
SENA2 MAD
(SCU
UHF
PLL
Logic high ”1” 2.0 V
TDMA1900 UHF
hi bl
(SCU,
SENA2 )
PLL
tdma1900
Logic low ”0” 0.8 V
synthesizer enable
SENA2 )
tdma1900
Load resistance 50 k
Load capacitance 20 pF
SPWR3 Cob-
ba_D
RF
2v8
Logic high ”1” 2.0 V Supply voltage VR10
ON
regul.
Logic low ”0” 0.5 V Supply voltage VR10
OFF
Current 100 uA
DSP
timing inaccuracy 200 us
DSP
TXA MAD EROTUS
Logic high ”1” 2.0 V Power control loop
mode during tx burst
(MFI,
TXA )
Logic low ”0” 0.5 V Power control loop
mode during ramp
up/down
Load resistance 10 k
Load capacitance 20 pF
Timing inaccuracy 10 us
DSP
TXC Cob-
ba_D
EROTUS
Voltage Min value
Max value
0.12
2.27
0.15
2.30
0.18
2.33
V
Makes transmitter
power ramps and
t t itt
Load resistance 10 k
sets transmitter pow-
er
Load capacitance 10 pF
er
level
Number of bits 10
TXF ERO-
TUS
MAD
Logic high ”1” 2.0 3.0 V
False transmission
idi t f ti
TU
S
Logic low ”0” 0 0.5 V
indicator,
f
unction
co
n
t
r
o
ll
ed
vi
a
Er
otus
Load capacitance 10 pF
controlled
via
Erotus
register