KX-TDA0158CE - Panasonic PBX Service Manual (repair manual). Page 8

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8
KX-TDA0158CE
4.2.4.
FPGA
FPGA (IC103) has the following features.
(1) Voice data transmission
        Extracts voice data from digital data and provides to BBIC.
(2) Superframe detection, delay compensation
         Detects super frame synchronization signal and compensates time difference of delay caused by the different cable length
from DHLC(DLC) card, then provides to PSYNC pin of BBIC.
(3) Address decoder, internal registers
        Address decoder to generate chip select signal for other ICs and internal registers to set  FPGA operation.
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