User Guide

RH-10
System Module CCS Technical Documentation
Page 14 Nokia Corporation Confidential Issue 1 09/2002
BB-RF Interface Connections
All the signal descriptions and properties in the following tables are valid only for active
signals.
Table 1: PDM Interface
Signal name From To Parameter Min Typ Max Unit Function
RX_IF_AGC UPP
GenIO 9
Batman Voltage Min
Max
----------------
Clk Rate
(1)
0.0
1.75
--------
1.8
------
9.6
0.1
1.86
-------
19.2
V
--------
MHz
Controls gain of VGA r
in receiver
TX_IF_AGC UPP
GenIO 7
Robin Voltage Min
Max
----------------
Clk Rate
(1)
0.0
1.75
-------
1.8
-------
9.6
0.1
1.86
--------
19.2
V
--------
MHz
Controls gain of VGA
in IF VGA in Robin
TX_RF_AGC UPP
GenIO 26
Robin Voltage Min
Max
----------------
Clk Rate
(3)
0.0
1.75
--------
1.8
--------
9.6
0.1
1.86
--------
19.2
V
--------
MHz
Controls gain of TX
driver in Robin
PA_GAIN UPP
GenIO 19
Robin Voltage Min
Max
----------------
Clk Rate
(3)
0.0
1.75
--------
1.8
--------
9.6
0.1
1.86
--------
19.2
V
--------
MHz
Controls gain of PA
Table 2: General I/O Interface
Signal
name
From To Parameter Input characteristics Function
TX_Gate UPP
Gen IO 8
pullup
Robin “1” Transmitter Off
“0” Transmitter On
Timing Accuracy
1.38 1.88 V
0 0.4 V
4 chips, and can be up
to a total of 255 chips
Punctures the PA’s and
the Robin ASIC
Digital Into RF
PA_Boost UPP
Gen IO 28
pullup
Snapper
Shark
“1” boost mode
“0” data mode
Timing Accuracy
1.38 1.88 V
0 0.4 V
4 chips, and can be up
to a total of 255 chips
Sets PA current for
desired linearity
Digital Into RF
Table 3: VCTCXO Interface
Signal name From To Parameter Min Typ Max Unit Function
CLK192M_UPP VCTCXO Upp
Batman
Robin
UHF PLL
Frequency
------------------------
Signal amplitude
-------
0.5
19.2
-------
1.0
-------
1.5
MHz
-------
-
Vpp
High stability clock
signal for logic cir-
cuits, AC coupled
sinewave.
Analog Out of RF