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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� PIC16F877A-I/L 寤犲晢锛� Microchip Technology 鏂囦欢闋佹暩(sh霉)锛� 234/234闋� 鏂囦欢澶�?銆�?/td> 0K 鎻忚堪锛� IC MCU FLASH 8KX14 EE 44PLCC 鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio妯欐簴鍖呰锛� 27 绯诲垪锛� PIC® 16F 鏍稿績铏曠悊鍣細 PIC 鑺珨灏哄锛� 8-浣� 閫熷害锛� 20MHz 閫i€氭€э細 I²C锛孲PI锛孶ART/USART 澶栧湇瑷倷锛� 娆犲妾㈡脯/寰╀綅锛孭OR锛孭WM锛學DT 杓稿叆/杓稿嚭鏁�(sh霉)锛� 33 绋嬪簭瀛樺劜鍣ㄥ閲忥細 14KB锛�8K x 14锛� 绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 闁冨瓨 EEPROM 澶�?銆�?/td> 256 x 8 RAM 瀹归噺锛� 368 x 8 闆诲 - 闆绘簮 (Vcc/Vdd)锛� 4 V ~ 5.5 V 鏁�(sh霉)鎿�(j霉)杞夋彌鍣細 A/D 8x10b 鎸暕鍣ㄥ瀷锛� 澶栭儴 宸ヤ綔婧害锛� -40°C ~ 85°C 灏佽/澶栨锛� 44-LCC锛圝 褰㈠紩绶氾級 鍖呰锛� 绠′欢 鐢�(ch菐n)鍝佺洰閷勯爜闈細 641 (CN2011-ZH PDF) 閰嶇敤锛� AC164309-ND - MODULE SKT FOR PM3 44PLCC
444-1001-ND - DEMO BOARD FOR PICMICRO MCU
309-1040-ND - ADAPTER 44-PLCC ZIF TO 40-DIP
309-1039-ND - ADAPTER 44-PLCC TO 40-DIP鍏跺畠鍚嶇ū锛� PIC16F877AI/L 绗�1闋�绗�2闋�绗�3闋�绗�4闋�绗�5闋�绗�6闋�绗�7闋�绗�8闋�绗�9闋�绗�10闋�绗�11闋�绗�12闋�绗�13闋�绗�14闋�绗�15闋�绗�16闋�绗�17闋�绗�18闋�绗�19闋�绗�20闋�绗�21闋�绗�22闋�绗�23闋�绗�24闋�绗�25闋�绗�26闋�绗�27闋�绗�28闋�绗�29闋�绗�30闋�绗�31闋�绗�32闋�绗�33闋�绗�34闋�绗�35闋�绗�36闋�绗�37闋�绗�38闋�绗�39闋�绗�40闋�绗�41闋�绗�42闋�绗�43闋�绗�44闋�绗�45闋�绗�46闋�绗�47闋�绗�48闋�绗�49闋�绗�50闋�绗�51闋�绗�52闋�绗�53闋�绗�54闋�绗�55闋�绗�56闋�绗�57闋�绗�58闋�绗�59闋�绗�60闋�绗�61闋�绗�62闋�绗�63闋�绗�64闋�绗�65闋�绗�66闋�绗�67闋�绗�68闋�绗�69闋�绗�70闋�绗�71闋�绗�72闋�绗�73闋�绗�74闋�绗�75闋�绗�76闋�绗�77闋�绗�78闋�绗�79闋�绗�80闋�绗�81闋�绗�82闋�绗�83闋�绗�84闋�绗�85闋�绗�86闋�绗�87闋�绗�88闋�绗�89闋�绗�90闋�绗�91闋�绗�92闋�绗�93闋�绗�94闋�绗�95闋�绗�96闋�绗�97闋�绗�98闋�绗�99闋�绗�100闋�绗�101闋�绗�102闋�绗�103闋�绗�104闋�绗�105闋�绗�106闋�绗�107闋�绗�108闋�绗�109闋�绗�110闋�绗�111闋�绗�112闋�绗�113闋�绗�114闋�绗�115闋�绗�116闋�绗�117闋�绗�118闋�绗�119闋�绗�120闋�绗�121闋�绗�122闋�绗�123闋�绗�124闋�绗�125闋�绗�126闋�绗�127闋�绗�128闋�绗�129闋�绗�130闋�绗�131闋�绗�132闋�绗�133闋�绗�134闋�绗�135闋�绗�136闋�绗�137闋�绗�138闋�绗�139闋�绗�140闋�绗�141闋�绗�142闋�绗�143闋�绗�144闋�绗�145闋�绗�146闋�绗�147闋�绗�148闋�绗�149闋�绗�150闋�绗�151闋�绗�152闋�绗�153闋�绗�154闋�绗�155闋�绗�156闋�绗�157闋�绗�158闋�绗�159闋�绗�160闋�绗�161闋�绗�162闋�绗�163闋�绗�164闋�绗�165闋�绗�166闋�绗�167闋�绗�168闋�绗�169闋�绗�170闋�绗�171闋�绗�172闋�绗�173闋�绗�174闋�绗�175闋�绗�176闋�绗�177闋�绗�178闋�绗�179闋�绗�180闋�绗�181闋�绗�182闋�绗�183闋�绗�184闋�绗�185闋�绗�186闋�绗�187闋�绗�188闋�绗�189闋�绗�190闋�绗�191闋�绗�192闋�绗�193闋�绗�194闋�绗�195闋�绗�196闋�绗�197闋�绗�198闋�绗�199闋�绗�200闋�绗�201闋�绗�202闋�绗�203闋�绗�204闋�绗�205闋�绗�206闋�绗�207闋�绗�208闋�绗�209闋�绗�210闋�绗�211闋�绗�212闋�绗�213闋�绗�214闋�绗�215闋�绗�216闋�绗�217闋�绗�218闋�绗�219闋�绗�220闋�绗�221闋�绗�222闋�绗�223闋�绗�224闋�绗�225闋�绗�226闋�绗�227闋�绗�228闋�绗�229闋�绗�230闋�绗�231闋�绗�232闋�绗�233闋�鐣跺墠绗�234闋�2003 Microchip Technology Inc.DS39582B-page 97PIC16F87XA9.4.7BAUD RATE GENERATORIn I2C Master mode, the Baud Rate Generator (BRG)reload value is placed in the lower 7 bits of theSSPADD register (Figure 9-17). When a write occurs toSSPBUF, the Baud Rate Generator will automaticallybegin counting. The BRG counts down to 0 and stopsuntil another reload has taken place. The BRG count isdecremented twice per instruction cycle (TCY) on theQ2 and Q4 clocks. In I2C Master mode, the BRG isreloaded automatically.Once the given operation is complete (i.e., transmis-sion of the last data bit is followed by ACK), the internalclock will automatically stop counting and the SCL pinwill remain in its last state.demonstratesclockratesbasedoninstruction cycles and the BRG value loaded intoSSPADD.FIGURE 9-17:BAUD RATE GENERATOR BLOCK DIAGRAMTABLE 9-3:I2C CLOCK RATE W/BRGSSPM3:SSPM0BRG Down CounterCLKOFOSC/4SSPADD<6:0>SSPM3:SSPM0SCLReloadControlReloadFCYFCY*2BRG ValueFSCL(2 Rollovers of BRG)10 MHz20 MHz19h400 kHz(1)10 MHz20 MHz20h312.5 kHz10 MHz20 MHz3Fh100 kHz4 MHz8 MHz0Ah400 kHz(1)4 MHz8 MHz0Dh308 kHz4 MHz8 MHz28h100 kHz1 MHz2 MHz03h333 kHz(1)1 MHz2 MHz0Ah100 kHz1 MHz2 MHz00h1 MHz(1)Note 1:The I2C interface does not conform to the 400 kHz I2C specification (which applies to rates greater than100 kHz) in all details, but may be used with care where higher rates are required by the application.
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