基于CML的高速数据传输电路设计-电子器件.PDF

绗?9鍗 绗?鏈 鐢 瀛 鍣 浠 Vol饊啺39 No. 1 2016骞?鏈 ChineseJournalofElectronDevices Feb. 2016 DesignofHigh-SpeedDataTransmissionCircuitBasedontheCML MAFang锛孯ENYongfeng 锛孲HANYanhu锛孭ENGQiaojun* 锛圢orthUniversityofChina锛孲tateKeyLaboratoryofElectronicTestingTechnology锛孴aiyuan030051锛孋hina锛 Abstract锛欰designofhigh-speeddatatransmissioncircuitbasedontheCMLdatatransferstandardwasproposed锛 whichisanimportantdevelopingforthepresentsituationoftheincreasinglylargeramountofdataandfasterdata transmissionspeed.ThecircuitcombinesFPGAcontrollerandTLK1501asprotocolchipwhoseinternalencoding methodis 8bit/10bitandinterfacestandardsisCMLtorealizehighspeeddatatransmission.Itamendedthelogic controlduetothetimingconstraintsoftheclocksignalandsolvedtheproblemofbiterrorsduetothedistortionof theinternalclock.Theexperimentalresultsshowthatthecircuithasahighstabilityandreliability. Keywords锛欳ML锛汿imingconstraints锛?b/10bencoding锛汿LK1501 EEACC锛?210 doi锛?0.3969/j.issn.1005-9490.2016.01.020 鍩轰簬CML鐨勯珮閫熸暟鎹紶杈撶數璺璁 椹 鏀撅紝浠诲媷宄 锛屽崟褰﹁檸锛屽江宸у悰* 锛堜腑鍖楀ぇ瀛︾數瀛愭祴璇曟妧鏈浗瀹堕噸鐐瑰疄楠屽锛屽お鍘?30051锛 鎽 瑕侊細閽堝鐜颁唬鏁版嵁浼犺緭閫熷害瓒婃潵瓒婂揩銆佹暟鎹噺瓒婃潵瓒婂ぇ鐨勭幇鐘讹紝鎻愬嚭浜嗗熀浜嶤ML鏁版嵁浼犺緭鏍囧噯鐨勯珮閫熸暟鎹紶杈撶數璺殑璁 璁°€備互FPGA涓轰富鎺у埗鍣紝鍗忚鑺墖閫夌敤鎺ュ彛鏍囧噯涓篊ML鐨勫唴閮ㄧ紪鐮佹柟寮忎负8b/10b缂栫爜鐨凾LK1501鑺墖锛屼互姝ゅ疄鐜伴珮閫熸暟 鎹紶杈撱€傚湪FPGA 涓鏃堕挓淇″彿杩涜浜嗘椂搴忕害鏉熷疄鐜伴€昏緫鎺у埗鐨勪慨姝ｏ紝瑙ｅ喅浜嗗洜鍐呴儴鏃堕挓鍗犵┖姣斿け鐪熻€屽鑷翠骇鐢熻鐮佺殑闂 棰樸€傜數璺粡璇曢獙楠岃瘉锛屽叿鏈夎緝楂樼殑绋冲畾鎬у拰鍙潬鎬с€ 鍏抽敭璇嶏細CML锛涙椂搴忕害鏉燂紱8b/10b缂栫爜锛汿LK1501 涓浘鍒嗙被鍙凤細TN91 鏂囩尞鏍囪瘑鐮侊細A 鏂囩珷缂栧彿锛?005-9490锛?016锛?1-0094-04 鍦ㄨ绉颁负鈥滄暟鎹椂浠ｂ€濈殑浠婂ぉ锛屼负閫傚簲鏁版嵁鍖栫殑 淇″彿鎽嗗箙灏辨槸VCCV锝?VCC-0.4)V锛屽樊鍒嗚緭鍑轰俊鍙 楂橀€熷彂灞曪紝澶氬獟浣撱€侀珮閫熷鐞嗗櫒銆佺綉缁滄妧鏈互鍙婅櫄鎷 鐨勬憜骞呬负800mV銆侰ML杈撳嚭鏅朵綋绠″伐浣滃湪鏀惧ぇ鍖 鐜板疄瀵规暟鎹俊鍙风殑甯﹀瑕佹眰瓒婃潵瓒婂ぇ锛屽淇￠亾搴旂敤 鍩燂紝杩欐牱浣垮緱 CML 淇″彿姣旈噰鐢ㄩケ鍜岀姸鎬佹搷浣滅殑 锛?锛 鏃ョ泭鏅強锛屽浜