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PCF5083H/5V2/F3 Fiches technique(PDF) 93 Page - NXP Semiconductors

No de pièce PCF5083H/5V2/F3
Description  GSM signal processing IC
PDF  136 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF5083H/5V2/F3 Fiches technique(HTML) 93 Page - NXP Semiconductors

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1996 Oct 29
93
Philips Semiconductors
Objective specification
GSM signal processing IC
PCF5083
Notes
1. CM_encoder_CCH is only called, if the current multiframe contains the 1st SACCH sub-block.
2. Dummy encryption to increment TDMA frame counters (skip Idle frame).
3. CM_decoder_CCH is only called, if the current multiframe contains the 4th SACCH sub-block.
4. If the BCCh identification of the neighbouring cells is not required in a certain idle frame, then up to 3 level
measurements can be performed in that frame.
5. Dummy encryption to increment TDMA frame counter (skip idle frame).
6. Monitoring of a frequency correction burst from a neighbouring cell.
7. Decoding of a synchronization burst from a neighbouring cell.
23
start of
FB monitoring
CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain)
FB_search_FCB_INT (n_int, threshold)
FB_search_FCB( )
CP_rx_speech (dtx_flag, taf, test_mode)
22
149
156
80
23
continue
FB monitoring
CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain)
FB_search_FCB( )
CP_rx_speech (dtx_flag, taf, test_mode)
17
149
156
80
23
decode SCh
CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain)
CP_rx_speech (dtx_flag, taf, test_mode)
CP_rx_SCH( )
17
149
156
80
23
level
measurement
CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain)
CP_rxlev3 (agc_gain1, agc_gain2, agc_gain3); note 4
CP_rx_speech (dtx_flag, taf, test_mode)
20
149
156
80
24
CI_decrypt (SCRATCH_BUFF,1); note 5
0
149
156
1404(6)
or 167(7)
25
CP_rx_normal_burst (TCH_CMI_BUFF1, tsc, agc_gain)
CP_power_measure (agc_gain1)
17
80 or 0
80 or 0
80 or 0
FN MOD 26
PROCEDURES
NW
RX
TX
MX



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