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PCF5083H/F2 数据表(PDF) 92 Page - NXP Semiconductors |
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PCF5083H/F2 数据表(HTML) 92 Page - NXP Semiconductors |
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92 / 136 page  1996 Oct 29 92 Philips Semiconductors Objective specification GSM signal processing IC PCF5083 9.4.4 PROCESSING A TCH/FS MULTIFRAME 9.4.4.1 Normal mode Figure 21 depicts the timing diagram of the procedure execution timing for a TCH/FS multiframe. Table 70 shows the procedures to be executed within the DSP for processing of a TCH/FS multiframe in normal mode. It is assumed that an even numbered time slot is assigned. Table 70 Procedures to be executed for processing a TCH/FS multiframe in normal mode FN MOD 26 PROCEDURES NW RX TX MX 0 CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain) CP_power_measure (agc_gain1) MP_audio_sync(2, 2) 17 149 156 80 4, 13, 17 CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain) CP_power_measure (agc_gain1) 12 149 156 80 8 {CM_encoder_CCH (cch_msg[12])}; note 1 CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain) CP_rx_normal_burst (CCH_INFO_BUFFi, tsc) CP_power_measure (agc_gain1) 32 149 156 80 21 CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain) CI_encrypt (SCRATCH_BUFF1); note 2 CP_power_measure (agc_gain1) 17 149 156 80 1, 5, 9, 14, 18, 22 CP_rx_normal_burst (TCH_CMI_BUFF3, tsc, agc_gain) CP_tx_speech (dtx, bpf, tm, taf, tsc, ff, fm[12]) CP_power_measure (agc_gain1) 33 149 156 80 2, 6, 10, 15, 19 CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain) CP_rx_speech (dtx_flag, taf, test_mode) CP_power_measure (agc_gain1) 18 149 156 80 3, 7, 12, 16, 20 CP_rx_normal_burst (TCH_CMI_BUFF1, tsc, agc_gain) CP_power_measure (agc_gain1) 12 149 156 80 11 CP_rx_normal_burst (CCH_CMI_BUFF1, tsc, agc_gain) [CM_decoder_CCH( )]; note 3 CP_power_measure (agc_gain1) 14 149 156 80 |
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