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PCF5083 Fiches technique(PDF) 57 Page - NXP Semiconductors |
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PCF5083 Fiches technique(HTML) 57 Page - NXP Semiconductors |
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57 / 136 page ![]() 1996 Oct 29 57 Philips Semiconductors Objective specification GSM signal processing IC PCF5083 Table 47 TCH/H2.4 The following table shows the user data block for half rate data channel at 2.4 kbit/s (and less). The 4 × 36 data bits shown correspond to 4 modified CCITT V.110 36-bit frames according to GSM 04 21. FACCH flag 34 facch_flag − Rxqual_ber 35 rxqual_ber_low − 36 rxqual_ber_high − DESCRIPTION OFFSET DOWNLINK DATA UPLINK DATA Block size 0 24 21 Valid flag 1 1 1 Modified CCITT frame 1 2 rb8 to rb1 rb8 to rb1 3 rb16 to rb9 rb16 to rb9 4 rb24 to rb17 rb24 to rb17 5 rb32 to rb25 rb32 to rb25 6 rb36 to rb33 rb36 to rb33 Modified CCITT frame 2 7 rb8 to rb1 rb8 to rb1 8 rb16 to rb9 rb16 to rb9 9 rb24 to rb17 rb24 to rb17 10 rb32 to rb25 rb32 to rb25 11 rb36 to rb33 rb36 to rb33 Modified CCITT frame 3 12 rb8 to rb1 rb8 to rb1 13 rb16 to rb9 rb16 to rb9 14 rb24 to rb17 rb24 to rb17 15 rb32 to rb25 rb32 to rb25 16 rb36 to rb33 rb36 to rb33 Modified CCITT frame 4 17 rb8 to rb1 rb8 to rb1 18 rb16 to rb9 rb16 to rb9 19 rb24 to rb17 rb24 to rb17 20 rb32 to rb25 rb32 to rb25 21 rb36 to rb33 rb36 to rb33 FACCH flag 22 facch_flag − Rxqual_ber 23 rxqual_ber_low − 24 rxqual_ber_high − DESCRIPTION OFFSET DOWNLINK DATA UPLINK DATA |
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