[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-562808-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-562808-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","mos-integrated-circuit-pd78f9177-data-sheet-flash-memory-microcontroller","MOS INTEGRATED CIRCUIT µPD78F9177 - Data Sheet - Flash Memory Microcontroller","","MOS integrated circuit data sheet for the 8-bit single-chip microcontroller family featuring the µPD78F9177 and µPD78F9177Y in the 78K/0S Series. The µPD78F9177 uses flash memory to replace internal ROM, and µPD78F9177Y replaces ROM with flash, enabling electric write/erase directly on the board. The document specifies key device capabilities such as flash and RAM sizes, A/D converter performance, I/O and serial interfaces, timers, watchdog features, power supply range, and typical applications like power windows and side air bags.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/mos-integrated-circuit-pd78f9177-data-sheet-flash-memory-microcontroller/562808/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/mos-integrated-circuit-pd78f9177-data-sheet-flash-memory-microcontroller/562808.png","ImageObject",300,407,{"name":42,"@type":43},"anakgang17","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-13","2026-10-12",true,{"@type":52,"interactionType":53,"userInteractionCount":26},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What is the main difference between µPD78F9177 and µPD78F9177Y?","Question",{"text":62,"@type":63},"µPD78F9177 replaces the internal ROM with flash memory, while µPD78F9177Y replaces the corresponding ROM with flash memory (including SMB support for µPD78F9177Y only).","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Which key hardware features are highlighted in the datasheet?",{"text":67,"@type":63},"It lists flash memory size, high-speed RAM, configurable instruction execution time range, an 8-channel 10-bit A/D converter, multiple I/O ports, serial interfaces, timers, watchdog timer, and an on-chip 16-bit multiplier.",{"name":69,"@type":60,"acceptedAnswer":70},"Why is flash memory described as ideal for development and production stages?",{"text":71,"@type":63},"Flash memory allows programs to be written and erased electrically with the device mounted on the board, supporting system development evolution, small-scale production, and rapid new product development.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},562808,1791885031,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":92,"show_sort_weight":93,"slug":94},"Exam",70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":102,"slug":103},6,50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":101,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":26,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":139,"language":140,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":12,"update_tm":144,"read_time":145},962090883568,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","DATA SHEET  \nMOS INTEGRATED CIRCUIT  \nµPD78F9177 , 78F9177Y  \n8-BIT SINGLE-CHIP MICROCONTROLLER  \nThe µPD78F9177 and µPD78F9177Y are µPD789177, 789177Y Subseries (small, general-purpose) in the 78K/0S Series.  \nThe µPD78F9177 replaces the internal ROM of the µPD789176 and µPD789177 with flash memory, while the µPD78F9177Y replaces the ROM of the µPD789176Y and µPD789177Y with flash memory.  \nBecause flash memory allows the program to be written and erased electrically with the device mounted on the board, this product is ideal for the evolution stages of system development, small-scale production and rapid development of new products.  \nDetailed function descriptions are provided in the following user’s manuals. Be sure to read them before designing.  \nµPD789167, 789177, 789167Y, 789177Y Subseries User’s Manual: U14186E  \n78K/0S Series User's Manual Instruction: U11047E  \nFEATURES  \n• Pin compatible with mask ROM version (except VPP pin)  \n• Flash memory: 24 Kbytes  \n• High-speed RAM: 512 bytes  \n• Minimum instruction execution time can be changed from high-speed (0.4 µs: @5.0-MHz operation with main system clock) to ultra-low-speed (122 µs: @ 32.768-kHz operation with subsystem clock)  \n• 10-bit resolution A/D converter: 8 channels  \n• I/O ports: 31  \n• Serial interface: 2 channels  \n• 3-wire serial I/O mode / UART mode: 1 channel  \n • SMB (µPD78F9177Y only): 1 channel  \n• Timers: 6 channels  \n• 16-bit timer: 1 channel  \n• 8-bit timer/event counter: 2 channels  \n• 8-bit timer: 1 channel  \n• Watch timer: 1 channel  \n• Watchdog timer: 1 channel  \n• On-chip 16-bit multiplier  \n• Power supply voltage: VDD = 1.8 to 5.5 V  \nThe information in this document is subject to change without notice. Before using this document, please  \nconfirm that this is the latest version.  \nNot all devices/types available in every country. Please check with local NEC representative for  \navailability and additional information.  \nDocument No. U14022EJ1V0DS00 (1st edition) Date Published August 2000 NS CP(K) Printed in Japan  \n[www.DataSheet4U.net](www.DataSheet4U.net)  \nThe mark  shows major revised  \n©  2000  \nAPPLICATIONS  \nPower windows, battery management unit, side air bags, etc  \nORDERING INFORMATION  \n(1) µPD78F9177  \nPart Number Package  \nµPD78F9177GB-8ES 44-pin plastic QFP (10 × 10)  \n (2) µPD78F9177Y  \nPart Number Package  \nµPD78F9177YGB-8ES  \nµPD78F9177YGA-9EU  \n44-pin plastic LQFP (10 X 10)  \n48-pin plastic TQFP (fine pitch) (7 X 7)  \n2 Data Sheet U14022EJ1V0DS00  \n 78K/0S SERIES DEVELOPMENT  \nThe products in the 78K/0S Series are listed below. The names enclosed in boxes are subseries names.  \n Products under mass production  Products under development Y subseries supports SMB.  \nSmall, general-purpose  \n44 pins 42/44 pins  \n28 pins  \n\n| µPD789046 \u003Cbr>µPD789026  |\n| --- |\n| µPD789014  |\n\nSmall, general-purpose + A/D  \nFor inverter control  \nFor driving LCD  \n44 pins  \n80 pins  \n80 pins  \n64 pins  \n64 pins  \n64 pins  \n64 pins  \n64 pins  \n64 pins  \nµ PD789842  \nµ PD789436  \nµ PD789426  \nµ PD789316  \nµ PD789306  \nµ PD789456  \nµ PD789446  \nµPD789417A  \nµPD789407A  \nFor driving Dot LCD  \n144 pins  \n88 pins  \n52 pins  \n52 pins  \n44 pins  \n44 pins  \n20 pins  \n20 pins  \nµ PD789835  \nµ PD789830  \nFor ASSP  \n~~ µ PD789467 ~~  \nµ PD789327  \nµ PD789800  \n~~µ PD789840~~  \n~~µ PD789861~~  \nµ PD789860  \nµPD789026 with subsystem clock added  \nµPD789014 with timer reinforced and ROM and RAM expanded UART. Low-voltage (1 .8-V) operation  \nµPD789167 with improved A/D  \nµ PD789104A with improved timer  \nµPD789146 with improved A/D  \nµPD789104A with EEPROM added  \nµPD789124A with improved A/DRC oscillation model of µPD789104A  \nµPD789104A with improved A/D  \nµPD789026 with A/D and multiplier added  \nInternal inverter control circuit and UART  \nµ PD789407A with improved A/D  \nµ PD789456 with improved I/O  \nµ PD789446 with improved A/D  \nµ PD789426 with improved display output  \nµ PD789426 with improved A/D  \nµ PD789306 with A/D added  \nRC oscillation model of ","cbCaiheEmNt5xTFC","https://ap.wps.com/l/cbCaiheEmNt5xTFC","pdf",339800,56,"English","# Features\n## Applications\n## Ordering Information\n## 78K/0S Series Development\n## Major Differences Between Subseries","[{\"question\":\"What is the main difference between µPD78F9177 and µPD78F9177Y?\",\"answer\":\"µPD78F9177 replaces the internal ROM with flash memory, while µPD78F9177Y replaces the corresponding ROM with flash memory (including SMB support for µPD78F9177Y only).\"},{\"question\":\"Which key hardware features are highlighted in the datasheet?\",\"answer\":\"It lists flash memory size, high-speed RAM, configurable instruction execution time range, an 8-channel 10-bit A/D converter, multiple I/O ports, serial interfaces, timers, watchdog timer, and an on-chip 16-bit multiplier.\"},{\"question\":\"Why is flash memory described as ideal for development and production stages?\",\"answer\":\"Flash memory allows programs to be written and erased electrically with the device mounted on the board, supporting system development evolution, small-scale production, and rapid new product development.\"}]","MOS INTEGRATED CIRCUIT µPD78F9177 - Data Sheet - Flash Memory Microcontroller | PDF",1791809770,141]