CHAPTER 1.Overview OfficeServ 500 Wireless LAN Service Manual/Ed.00Page 1-8 © SAMSUNG Electronics Co., Ltd.3.2.3 8WLI BlockIntroduces the block diagram of 8WLI card and the functions of each block.Figure 1.2 8WLI Block DiagramFWR CTL.DASLDASLDASLDASLDASLDASLDASLDASLDMC0STL7052EFWR CTL.FWR CTL.FWR CTL.SignallingData Comm.(16Kbps)LINEINTERFACEFWR CTL.DASLDASLDASLDASLDASLDASLDASLDASLDMC1STL7052EFWR CTL.FWR CTL.FWR CTL.SignallingData Comm.(16Kbps)CPUMC68302SIORS-232CFlashROM.512KBSRAM512KWordsSRAM512KBDPRAMCY7C631CPLDEPM7064ClockGeneratorOSC16,384TCXODJT.10m600mDJT, DASL, DEK, DTK//A1~23UART19200bpsSF_DTAC32Ch,EchoCanceller(ZL50232)HWx/HWR HWx/HWR
