[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-detail-563059-en":59,"doc-seo-563059-105":81},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":5,"data":60},{"doc_id":61,"user_id":62,"nickname":63,"user_avatar":64,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":66,"doc_content":67,"file_id":68,"file_url":69,"file_type":70,"file_size":71,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":72,"language":73,"language_code":74,"site_id":75,"html_lang":74,"table_of_contents":76,"faqs":77,"seo_title":78,"seo_description":66,"update_tm":79,"read_time":80},563059,687212988360,"MrHarris58","https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","LOw VOLTAGE SINGLE-CHIP MICROCOMPUTER WITH BUILT-IN PRESCALER PLL FREQUENCY SYNTHESIZER AND LCD DRIVER - Specification Overview","μPD1715 is a 1-chip digital tuning 4-bit CMOS microcomputer integrating a high-frequency prescaler (up to 130 MHz), a PLL frequency synthesizer, and an LCD driver for 1/3 duty and 1/2 bias operation. It supports a 2.0–3.6 V single power supply in PLL mode and low-power CMOS operation, with a programmable memory system (ROM 16 bits × 1528 steps, RAM 4 bits × 96 words), versatile 4-bit arithmetic and composite judge instructions, and multiple specialized I/O ports. It also provides timer and interval pulse outputs plus selectable AM/FM frequency inputs.","# LOw VOLTAGE SINGLE-CHIP MICROCOMPUTER WITH BUILT-INPRESCALER PLL FREQUENCY SYNTHESIZER AND LCD DRIVER\n\n## DESCRIPTION\n\nThe μPD1715 is a 1-chip digital tuning 4-bit CMOS microcomputer that includes a prescaler operative up to 130MHz,a PLL frequency synthesizer,and an LCD driver(1/3 duty.1/2 bias).  \nThe CPU includes 4-bit parallel add and subtract functions(AD,SU,etc.),logical operations (EXL,etc.J,a multi-bit test function (TMT,etc.),carry F/F set and reset functions(STC,etc.),and a timer function.The μPD1715 ismanufactured in a52-pin flat package provided with various ports.These ports include a 4-bit input/output (I/O)port controlled by input/output instructions (IN,OUT,etc.),a 1kHz/3kHz modulated signal output port foralarms,a variable duty port (VDP)available as a simplified D/A converter,an input port dedicated to key switchinputs,and others.  \n## FEATURES\n\n● Digital tuning4-bit microcomputer  \n·Integrated prescaler(fixed 1/2 divider or 1/4 divider+two modulus prescaler:MAX.130 MHz)  \n● 2.0 to 3.6V single power source (when PLL operation)  \n·CMOSwith low power requirement (maximum 30μA when only CPU is resonator)  \n● Easy data memory(RAM}backup (via CE pin)  \n● Program memory(ROM):16 bits×1528 steps  \n● Data memory(RAM):4 bitsx96 words  \n● 76 powerful instructions(each occupying one word)  \n● Instruction execution time of 40μs (when connected to 75kHz crystal resonator)  \n·Versatile add and subtract instructions(12 add and subtract instructions,respectively)  \n● Strong composite judge instructions(TMT一TMF,ete.)  \n● Storage-to-storage data transfer possible in the same row address  \n● Indirect register transfer(MVRD,MVRS,etc.)  \n● 16 useful general registers fin the RAM space)  \nStack level:1 level  \n● Integrated LCD driver(1/3 duty,1/2 bias,driven with 3.1 V,frame frequency:100 Hz)  \n● Integrated Programmable Logic Array(PLA)to display LCD patterns.  \n● Clock can be stopped with an instruction(CKSTP).  \n·14 powerful 1/O ports IPA₃to PAo:Available for bitunit input/output;PB₃to PBo,PC₃to PCo,VDP,CGP:Dedicated to output)  \nInput ports K3 to Ko dedicated to key inputs  \n·Output ports LCDg to LCD16 dedicated to key source  \n● 1kHz or 3kHz modulated signal output port (CGP)  \n● Variable Duty Port(VDP)available as a simplified D/A converter  \n● Powerful I/O instructions(IN and OUT instructions)  \n● Input and output port states can be tested with TPT and TPF instructions.  \n● Integrated timer F/F(to be set at 125ms intervals.The timer function can be easily executed.)  \n● Integrated interval pulse output (internal output):200 Hz,duty 60%,output at 5 ms intervals,can be testedwith TIP instruction.  \nD  \n● PLL lock state can be tested with TUL instrustion.  \n● Dividing factor,dividing method,and reference frequency data can be transferred to the PLL section with a PLLinstruction.  \n● The AM and FM frequency input pins are provided separately(maximum input frequencies:40 MHz for VCOLpin in HF mode and 130 MHz for VCOH pin in VHF mode).  \n● Pulse swallowing method and direct dividing method can be selected by the program(VHF,HF,and MF modes).  \n● Two independent error outputs(EO₁and EO₂pins)  \n● Six reference frequencies can be selected by the program(1,3,5,6.25,12.5,and 25kHz)  \n## ORDERING INFORMATION\n\n\n| Order Code   | Package   |\n| --- | --- |\n| μPD1715G·XXX-22   | 54-pin plastic QFP   |\n| μPD1715G·XXX-21   | 54-pin plastic QFP(Straight lead type)   |\n| μPD1715G-XXX-24   | 54-pin plastic QFP(Reverse bent type)   |\n\n## PIN CONFIGURATION(Top View)\n\nThis pin is internally connected to Pin 20.NC No connection.  \n## PIN DESCRIPTION\n\n\n| PIN NO.   | SYMBOL   | NAME   | DESCRIPTION   | OUTPUT  \u003Cbr>TYPE   |\n| --- | --- | --- | --- | --- |\n| 14  \u003Cbr>15  \u003Cbr>16  \u003Cbr>17   | Vss3  \u003Cbr>CAP₂  \u003Cbr>Vss2   | Doubler  \u003Cbr>Capacitor  \u003Cbr>Connecting  \u003Cbr>Pin   | Used to connect the capacitors for the doubler circuit to generate  \u003Cbr>the LCD drive voltage(3.1V TYP.).  \u003Cbr>Connect them as follows:  \u003Cbr>0.1μF×2  \u003Cbr>Vss  \u003Cbr>CAP₂  \u003Cbr>0.01μF   | -   ","cbCaikmHHM4dgASn","https://ap.wps.com/l/cbCaikmHHM4dgASn","pdf",1279510,63,"English","en",105,"## Description\n## Features\n## Ordering Information\n## Pin Configuration (Top View)\n## Pin Description","[{\"question\":\"What key functions are integrated in the μPD1715?\",\"answer\":\"It integrates a prescaler (up to 130 MHz), a PLL frequency synthesizer, and an LCD driver supporting 1/3 duty and 1/2 bias operation.\"},{\"question\":\"What power supply range does the μPD1715 support?\",\"answer\":\"It uses a single power source of 2.0 to 3.6 V when operating with PLL, and operates with a CPU-only supply range stated for the device.\"},{\"question\":\"How can the device output alarm and clock-related signals?\",\"answer\":\"It includes a 1 kHz/3 kHz modulated signal output port for alarms and a clock generator output port (CGP) whose port specification can be selected by program.\"}]","LOw VOLTAGE SINGLE-CHIP MICROCOMPUTER WITH BUILT-IN PRESCALER PLL FREQUENCY SYNTHESIZER AND LCD DRIVER - Specification Overview | PDF",1791810438,159,{"code":4,"msg":82,"data":83},"ok",{"site_id":75,"language":74,"slug":84,"title":65,"keywords":85,"description":66,"schema_data":86,"social_meta":140,"head_meta":142,"extra_data":144,"updated_unix":145},"low-voltage-single-chip-microcomputer-with-built-in-prescaler-pll-frequency-synthesizer-and-lcd-driver-specification-overview","",{"@graph":87,"@context":139},[88,102,122],{"@type":89,"itemListElement":90},"BreadcrumbList",[91,95,97,100],{"item":92,"name":93,"@type":94,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":96,"name":9,"@type":94,"position":14},"https://docshare.wps.com/document/",{"item":98,"name":30,"@type":94,"position":99},"https://docshare.wps.com/document/technology/",3,{"item":101,"name":65,"@type":94,"position":19},"https://docshare.wps.com/document/low-voltage-single-chip-microcomputer-with-built-in-prescaler-pll-frequency-synthesizer-and-lcd-driver-specification-overview/563059/",{"url":101,"name":65,"@type":103,"image":104,"author":109,"headline":65,"publisher":111,"fileFormat":114,"inLanguage":74,"description":66,"dateModified":115,"datePublished":116,"encodingFormat":114,"isAccessibleForFree":117,"interactionStatistic":118},"DigitalDocument",{"url":105,"@type":106,"width":107,"height":108},"https://docshare.wps.com/thumbnails/low-voltage-single-chip-microcomputer-with-built-in-prescaler-pll-frequency-synthesizer-and-lcd-driver-specification-overview/563059.png","ImageObject",300,407,{"name":63,"@type":110},"Person",{"url":92,"name":112,"@type":113},"DocShare","Organization","application/pdf","2026-10-13","2026-10-12",true,{"@type":119,"interactionType":120,"userInteractionCount":14},"InteractionCounter",{"@type":121},"ViewAction",{"@type":123,"mainEntity":124},"FAQPage",[125,131,135],{"name":126,"@type":127,"acceptedAnswer":128},"What key functions are integrated in the μPD1715?","Question",{"text":129,"@type":130},"It integrates a prescaler (up to 130 MHz), a PLL frequency synthesizer, and an LCD driver supporting 1/3 duty and 1/2 bias operation.","Answer",{"name":132,"@type":127,"acceptedAnswer":133},"What power supply range does the μPD1715 support?",{"text":134,"@type":130},"It uses a single power source of 2.0 to 3.6 V when operating with PLL, and operates with a CPU-only supply range stated for the device.",{"name":136,"@type":127,"acceptedAnswer":137},"How can the device output alarm and clock-related signals?",{"text":138,"@type":130},"It includes a 1 kHz/3 kHz modulated signal output port for alarms and a clock generator output port (CGP) whose port specification can be selected by program.","https://schema.org",{"og:url":101,"og:type":141,"og:title":65,"og:site_name":112,"og:description":66},"article",{"robots":143,"canonical":101},"index,follow",{"doc_id":61,"site_id":75},1791863342]