User Guide

CCS Technical Documentation 7 - System Module & UI
Company Confidential NMM-3
Issue 1 (11/2003) Copyright  2003 Nokia Corporation Page 7-29
Company Confidential
RF-BB Interface
Table 2: Binary signals
Signal name From To Function
RFBusEn1X TIKU RF (REX, TEX, HELGO) Data enable for RF-IC
RFBusDa TIKU RF (REX, TEX, HELGO) Data for PLL and RX AGC
RFBusClk TIKU RF (REX, TEX, HELGO) Clock
RXA1/GenIO 9 TIKU REX WCDMA RX AGC one step tuning
RXA2/GenIO 10 TIKU REX WCDMA RX AGC one step tuning
TXP/GenIO 2 TIKU HELGO GSM transmitter power amplifier enable
REXRstX/GenIO 7 TIKU REX REX reset
TEXRstX/GenIO 1 TIKU TEX TEX reset
HelgoRstX/GenIO 5 TIKU HELGO HELGO reset
TXVCOpwr/GenIO 0 TIKU ExtReg1 WCDMA TX VCO enable
HEXPD/GenIO 8 TIKU HEX HEX power down
TXpwr/GenIO 13 TIKU ExtReg2 WCDMA TX pwr enable
PApwr/GenIO 15 TIKU WCDMA RF PA SMPS WCDMA PA SMPS enable
Table 3: Analog signals
Signal name From To Function
RFCLK HELGO TIKU Reference clock to Baseband
AFC UEME VCTCXO Frequency control signal to VCTCXO
WRXIP/M REX TIKU Differential RX base band signals for main receiver I branch.
WRXQP/M REX TIKU Differential RX base band signals for main receiver Q branch.
TXIP/M TIKU TEX TX I/Q signals to the modulator
TXQP/M TIKU TEX TX I/Q signals to the modulator
GRXI/GRXQ HELGO UEME RX base band signal
TxPwrDet WCDMA_RF UEME TX power envelope detector
TXA1 TIKU TEX TEX AGC control
TXA2 TIKU HEX PA driver AGC control
IPA1 UEM WCDMA_PA PA bias control
Iref1 TEX TIKU Reference current for AD converters
Iref2 TEX TIKU "
CALOUT REX TIKU WCDMA BB filter calibration
VREFCAL TEX TIKU WCDMA BB filter calibration (ref. Voltage)
WTxTemp TEX UEME TEX temp.
VREFL REX TIKU Reference voltage for AD converters
VREFM REX TIKU "
VREFH REX TIKU "
GRFTemp HELGO UEM GSM temp.