NSW-5
System Module UT5U
PAMS Technical Documentation
Page 46
Issue 1 10/00
Nokia Mobile Phones Ltd.
FunctionUnitMaxTypMinParameterToFrom/
Control
Signal
name
SCLK MAD
EROTUS,
Logic high ”1” 2 V
Synthesizer
(SCU,
UHF
Logic low ”0” 0.8 V
and control clock
tdma1900
Load resistance 50 k
Load capacitance 20 pF
Data rate freq. 1.62 MHz
SDATA MAD
EROTUS,
Logic high ”1” 2.0 V
Synthesizer
(SCU,
UHF
Logic low ”0” 0.8 V
and control data
tdma1900
Load resistance 50 k
Load capacitance 20 pF
Timing accuracy 20 us
SENA1 MAD
EROTUS
Logic high ”1” 2.0 V
Synthesizer
(SCU,
Logic low ”0” 0.8 V
and Erotus control
Load resistance 50 k
Load capacitance 20 pF
SENA2 MAD
UHF
Logic high ”1” 2.0 V
TDMA1900 UHF
(SCU,
PLL
Logic low ”0” 0.8 V
synthesizer enable
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
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
Load resistance 10 k
sets transmitter pow-
Load capacitance 10 pF
level
Number of bits 10
TXF ERO-
MAD
Logic high ”1” 2.0 3.0 V
False transmission
TU
Logic low ”0” 0 0.5 V
indicator,
unction
n
r
ll
vi
Er
Load capacitance 10 pF
register