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PCF5083H/F2 データシート(PDF) 96 Page - NXP Semiconductors

部品番号 PCF5083H/F2
部品情報  GSM signal processing IC
PDF  136 Pages
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF5083H/F2 データシート(HTML) 96 Page - NXP Semiconductors

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1996 Oct 29
96
Philips Semiconductors
Objective specification
GSM signal processing IC
PCF5083
9.4.4.4
Handover mode
Table 74 shows the procedures to be executed within the DSP for processing of a TCH/FS multiframe in Handover mode.
Table 74 Procedures to be executed for processing a TCH/FS multiframe in handover mode
Notes
1. Dummy encryption to increment TDMA frame counters (skip Idle + SACCH frame).
2. CM_DECODER_CCH is only called, if the current multiframe contains the 4th SACCH sub-block.
3. Dummy encryption to increment TDMA frame counters (skip Idle frame).
FN MOD 26
PROCEDURES
NW
RX
TX
MX
0, 4, 13, 17
CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain)
CP_power_measure (agc_gain1)
12
149
156
80
8, 21
CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain)
CI_encrypt (SCRATCH_BUFF,1); note 1
CP_power_measure (agc_gain1)
12
149
156
80
1, 5, 9, 14, 18,
22
CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (TCH_CMI_BUFF3, tsc, agc_gain)
CI_encrypt (SCRATCH_BUFF, 4)
MP_read_audio_in_fifo (SCRATCH_BUFF, 160)
CP_power_measure (agc_gain1)
33
149
156
80
2, 6, 10, 15,
19, 23
CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain)
DB_fill_buffer (SCRATCH_BUFF,0,0,160)
MP_write_audio_out_fifo (SCRATCH_BUFF, 160)
CM_decoder_TCH (dtx_flag, taf, test_mode)
CP_power_measure (agc_gain1)
18
149
156
80
3, 7, 12, 16, 20 CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (TCH_CMI_BUFF1, tsc, agc_gain)
CP_power_measure (agc_gain1)
12
149
156
80
11
CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (CCH_CMI_BUFFi, tsc, agc_gain)
[CM_decoder_CCH( )]; note 2
CP_power_measure (agc_gain1)
14
149
156
80
24
CP_tx_RACH (bsic, rach_msg)
CI_decrypt (SCRATCH_BUFF,1); note 3
15
149
156
80
25
CP_tx_RACH (bsic, rach_msg)
CP_rx_normal_burst (TCH_CMI_BUFF1, tsc, agc_gain)
CP_power_measure (agc_gain1)
12
156



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