Knowledge

H8 Family

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The entire line was sold to Renesas in 2003. Renesas continues to sell the designs as of 2023, but only to existing customers. An administrator on the Renesas user community boards commented in 2011 that there are no plans for further development of H8 based products. H8 was supported in the
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Both H8/300H and H8S have eight 32-bit registers, each of which can be treated as one 32-bit register, two 16-bit registers, or two 8-bit registers, with the H8S having an internal 32-bit configuration. Several companies provide
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Subfamilies include the 8/16-bit H8/300 and H8/500, the 16/32-bit H8/300H and H8S and the 32-bit H8SX series, each with dozens of different variants, varying by speed, selection of built-in
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which further expanded the registers to allow 32-bit operations and was optimized for low-power/high-performance roles. Many variations exist.
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Please help improve this article by looking for better, more reliable sources. Unreliable citations may be challenged and removed.
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that expanded the instructions to become a full 16-bit machine while being optimized for low cost, and the
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family of 32-bit RISC-like microcontrollers, which have largely replaced the H8.
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that allowed some 16-bit operations. Two upgraded versions were introduced, the
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for various games it made in the late 1990s, notably those using its
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starting with version 4.2 but support was removed in version 5.19.
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Now integrated into other Hitachi divisions or business groupings
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The family is continued with the H8SX 32-bit controllers.
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The basic architecture of the H8 is patterned after the
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For higher performance needs, Hitachi introduced their
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and DB60XG daughterboards and the SW60XG ISA PC card.
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Git pull request for the H8 port on the LKML archives
321:H8/500 was being also used on a Nokia 2110 phone. 2094: 1313: 609: 498: 239:for the H8 family, and there is a complete 1320: 1306: 616: 602: 505: 491: 87: 871:Johnson Controls-Hitachi Air Conditioning 57:Learn how and when to remove this message 261: 131:, originating in the early 1990s within 99: 690:Hitachi Construction Machinery (Europe) 512: 202:to 1024 KB, and RAM from 512  2095: 1301: 597: 486: 1327: 1280: 473:Online training for Renesas products 294:, music synthesizers and in various 15: 913:Casio Hitachi Mobile Communications 879:Tata Hitachi Construction Machinery 787:Hitachi Global Storage Technologies 418:Renesas H8S/2161BV on ThinkWiki.org 13: 429:Renesas H8S/2116V on ThinkWiki.org 247:. There are also various hardware 14: 2114: 1942:High voltage parallel programming 461: 1279: 1268: 1267: 804: 20: 2026:List of common microcontrollers 1936:High-voltage serial programming 1017:Stacked Volumetric Optical Disk 257: 2056:List of Wi-Fi microcontrollers 1169:Hitachi Kashiwa Soccer Stadium 962:Adaptable Modular Storage 2000 677:Hitachi Construction Machinery 433: 422: 411: 387: 366: 355: 330: 1: 2077:Programmable logic controller 1918:In-circuit serial programming 324: 1343:Single-board microcontroller 1215:Hitachi Data Systems History 7: 1930:Program and Debug Interface 1210:Hitachi 3Tours Championship 667:Hitachi Canadian Industries 623: 169: 135:. The original design, the 10: 2119: 1027:Universal Storage Platform 2064: 2018: 1966: 1910: 1903: 1871: 1702: 1625: 1479: 1428: 1419: 1356: 1348:Special function register 1335: 1248: 1192: 1161: 1130: 1035: 944: 935: 890: 830:GE Hitachi Nuclear Energy 822: 813: 802: 764: 640: 631: 520: 478:A community support forum 278:handheld computers, some 86: 74: 2103:Renesas microcontrollers 659:Hitachi Cable Manchester 2082:List of microprocessors 1979:Joint Test Action Group 866:Hitachi-LG Data Storage 725:Hitachi Medical Systems 29:Some of this article's 1220:The Hitachi Foundation 267: 105: 1924:In-system programming 751:Horizon Nuclear Power 265: 133:Hitachi Semiconductor 112:is a large family of 103: 1993:In-circuit debugging 703:Hitachi Data Systems 310:architecture and by 270:H8S may be found in 216:, with eight 16-bit 2049:Renesas Electronics 1999:In-circuit emulator 1078:Hitachi Flora Prius 923:Renesas Electronics 715:Hitachi Electronics 514:Renesas Electronics 468:Renesas Electronics 399:Renesas Electronics 300:LEGO Mindstorms RCX 214:PDP-11 architecture 71: 1230:Hitachi SunRockers 982:Hitachi Magic Wand 936:Products, services 814:Joint ventures and 743:Hitachi Rail Italy 698:Hitachi Consulting 268: 266:Renesas H8S-2110BV 243:port, including a 129:Renesas Technology 106: 69: 2090: 2089: 2014: 2013: 1899: 1898: 1580:PIC10/12/16/17/18 1295: 1294: 1148:Hiroaki Nakanishi 1126: 1125: 1088:Hitachi Hatsukaze 972:Hitachi Starboard 931: 930: 800: 799: 591: 590: 186:, and amounts of 98: 97: 82: 81: 67: 66: 59: 2110: 2030:By manufacturer 1974:Nexus (standard) 1908: 1907: 1426: 1425: 1329:Microcontrollers 1322: 1315: 1308: 1299: 1298: 1283: 1282: 1271: 1270: 1262: 1174:Hitachi, Ibaraki 1153:Takashi Kawamura 1002:Hitachi TrueCopy 942: 941: 903:Alaxala Networks 883: 875: 840: 834: 820: 819: 808: 807: 745: 738: 736:Hitachi Rail STS 711: 692: 685: 661: 638: 637: 618: 611: 604: 595: 594: 507: 500: 493: 484: 483: 456: 455: 453: 452: 443:. Archived from 437: 431: 426: 420: 415: 409: 408: 406: 405: 391: 385: 384: 382: 381: 370: 364: 359: 353: 352: 350: 348: 334: 298:subsystems. The 222:addressing modes 206:to 512 KB. 178:such as timers, 125:microcontrollers 91: 84: 83: 72: 68: 62: 55: 51: 48: 42: 24: 16: 2118: 2117: 2113: 2112: 2111: 2109: 2108: 2107: 2093: 2092: 2091: 2086: 2072:Embedded system 2060: 2010: 2005:In-target probe 1962: 1895: 1867: 1698: 1621: 1475: 1415: 1352: 1331: 1326: 1296: 1291: 1259:Western Digital 1252: 1244: 1225:Hitachi Sundiva 1188: 1157: 1122: 1031: 937: 927: 918:Nippon Columbia 886: 881: 873: 838: 837:Hitachi Astemo 832: 815: 809: 805: 796: 760: 741: 734: 705: 688: 681: 672:Hitachi Capital 657: 633: 627: 622: 592: 587: 516: 511: 464: 459: 450: 448: 439: 438: 434: 427: 423: 416: 412: 403: 401: 393: 392: 388: 379: 377: 372: 371: 367: 360: 356: 346: 344: 336: 335: 331: 327: 292:chess computers 272:digital cameras 260: 172: 94: 63: 52: 46: 43: 40: 25: 12: 11: 5: 2116: 2106: 2105: 2088: 2087: 2085: 2084: 2079: 2074: 2068: 2066: 2062: 2061: 2059: 2058: 2053: 2052: 2051: 2046: 2041: 2036: 2028: 2022: 2020: 2016: 2015: 2012: 2011: 2009: 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1292: 1290: 1289: 1277: 1264: 1263: 1249: 1246: 1245: 1243: 1242: 1240:Kashiwa Reysol 1237: 1235:Hitachi Rivale 1232: 1227: 1222: 1217: 1212: 1207: 1205:HDMI Licensing 1202: 1196: 1194: 1190: 1189: 1187: 1186: 1181: 1176: 1171: 1165: 1163: 1159: 1158: 1156: 1155: 1150: 1145: 1140: 1138:Namihei Odaira 1134: 1132: 1128: 1127: 1124: 1123: 1121: 1120: 1115: 1110: 1105: 1100: 1095: 1093:Hitachi SR2201 1090: 1085: 1080: 1075: 1070: 1065: 1060: 1055: 1050: 1045: 1039: 1037: 1033: 1032: 1030: 1029: 1024: 1019: 1014: 1009: 1004: 999: 997:Hitachi SR8000 994: 989: 987:Multiple units 984: 979: 974: 969: 964: 959: 954: 948: 946: 939: 933: 932: 929: 928: 926: 925: 920: 915: 910: 905: 900: 898:Agility Trains 894: 892: 888: 887: 885: 884: 876: 868: 863: 862: 861: 856: 851: 846: 835: 826: 824: 817: 811: 810: 803: 801: 798: 797: 795: 794: 789: 784: 779: 774: 768: 766: 762: 761: 759: 758: 753: 748: 747: 746: 739: 727: 722: 720:Hitachi Energy 717: 712: 700: 695: 694: 693: 686: 674: 669: 664: 663: 662: 650: 644: 642: 635: 629: 628: 621: 620: 613: 606: 598: 589: 588: 586: 585: 580: 575: 570: 565: 560: 555: 550: 545: 540: 535: 530: 524: 522: 518: 517: 510: 509: 502: 495: 487: 481: 480: 475: 470: 463: 462:External links 460: 458: 457: 432: 421: 410: 386: 365: 354: 328: 326: 323: 259: 256: 171: 168: 104:Hitachi H8/323 96: 95: 93:Hitachi H8/323 92: 80: 79: 76: 65: 64: 31:listed sources 28: 26: 19: 9: 6: 4: 3: 2: 2115: 2104: 2101: 2100: 2098: 2083: 2080: 2078: 2075: 2073: 2070: 2069: 2067: 2063: 2057: 2054: 2050: 2047: 2045: 2042: 2040: 2039:NXP/Freescale 2037: 2035: 2032: 2031: 2029: 2027: 2024: 2023: 2021: 2017: 2006: 2003: 2000: 1997: 1994: 1991: 1986: 1983: 1982: 1980: 1977: 1975: 1972: 1971: 1969: 1965: 1959: 1956: 1954: 1951: 1949: 1946: 1943: 1940: 1937: 1934: 1931: 1928: 1925: 1922: 1919: 1916: 1915: 1913: 1909: 1906: 1902: 1892: 1889: 1887: 1884: 1882: 1879: 1878: 1876: 1874: 1870: 1864: 1861: 1859: 1856: 1854: 1851: 1849: 1846: 1844: 1841: 1839: 1836: 1834: 1831: 1829: 1826: 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1397: 1394: 1392: 1389: 1387: 1384: 1382: 1379: 1377: 1374: 1372: 1369: 1367: 1364: 1363: 1361: 1359: 1358:Architectures 1355: 1349: 1346: 1344: 1341: 1340: 1338: 1334: 1330: 1323: 1318: 1316: 1311: 1309: 1304: 1303: 1300: 1288: 1287: 1278: 1276: 1275: 1266: 1265: 1261: 1260: 1255: 1251: 1250: 1247: 1241: 1238: 1236: 1233: 1231: 1228: 1226: 1223: 1221: 1218: 1216: 1213: 1211: 1208: 1206: 1203: 1201: 1198: 1197: 1195: 1191: 1185: 1182: 1180: 1179:Hitachi Tower 1177: 1175: 1172: 1170: 1167: 1166: 1164: 1160: 1154: 1151: 1149: 1146: 1144: 1143:Kenichi Ohmae 1141: 1139: 1136: 1135: 1133: 1129: 1119: 1116: 1114: 1111: 1109: 1106: 1104: 1101: 1099: 1096: 1094: 1091: 1089: 1086: 1084: 1083:Hitachi G1000 1081: 1079: 1076: 1074: 1071: 1069: 1066: 1064: 1061: 1059: 1056: 1054: 1051: 1049: 1046: 1044: 1041: 1040: 1038: 1034: 1028: 1025: 1023: 1020: 1018: 1015: 1013: 1010: 1008: 1005: 1003: 1000: 998: 995: 993: 990: 988: 985: 983: 980: 978: 975: 973: 970: 968: 965: 963: 960: 958: 955: 953: 950: 949: 947: 943: 940: 938:and standards 934: 924: 921: 919: 916: 914: 911: 909: 908:Japan Display 906: 904: 901: 899: 896: 895: 893: 889: 880: 877: 872: 869: 867: 864: 860: 857: 855: 852: 850: 847: 845: 842: 841: 836: 831: 828: 827: 825: 821: 818: 816:shareholdings 812: 793: 790: 788: 785: 783: 780: 778: 777:Euclid Trucks 775: 773: 770: 769: 767: 763: 757: 754: 752: 749: 744: 740: 737: 733: 732: 731: 728: 726: 723: 721: 718: 716: 713: 709: 704: 701: 699: 696: 691: 687: 684: 680: 679: 678: 675: 673: 670: 668: 665: 660: 656: 655: 654: 653:Hitachi Cable 651: 649: 646: 645: 643: 639: 636: 632:Divisions and 630: 626: 619: 614: 612: 607: 605: 600: 599: 596: 584: 581: 579: 576: 574: 571: 569: 566: 564: 561: 559: 556: 554: 551: 549: 546: 544: 541: 539: 536: 534: 531: 529: 526: 525: 523: 519: 515: 508: 503: 501: 496: 494: 489: 488: 485: 479: 476: 474: 471: 469: 466: 465: 447:on 2014-06-09 446: 442: 441:"FS1R Inside" 436: 430: 425: 419: 414: 400: 396: 390: 375: 369: 363: 358: 343: 339: 333: 329: 322: 319: 317: 313: 309: 305: 301: 297: 293: 289: 286:controllers, 285: 281: 277: 273: 264: 255: 252: 250: 246: 242: 238: 232: 230: 229:byte ordering 227: 223: 219: 215: 212: 207: 205: 201: 197: 193: 189: 185: 181: 177: 167: 165: 160: 158: 152: 150: 146: 142: 138: 134: 130: 126: 123: 119: 115: 111: 102: 90: 85: 77: 73: 61: 58: 50: 38: 37: 32: 27: 23: 18: 17: 1886:ARM Cortex-R 1783: 1757:ARM Cortex-R 1663: 1574: 1284: 1272: 1256: 1253: 1103:Hitachi TR.1 1068:Hitachi 6309 1047: 967:Hitachi DX07 730:Hitachi Rail 634:subsidiaries 572: 449:. Retrieved 445:the original 435: 424: 413: 402:. Retrieved 389: 378:. Retrieved 376:. p. 53 368: 357: 345:. Retrieved 341: 332: 320: 269: 258:Applications 253: 233: 208: 192:flash memory 184:serial ports 173: 161: 157:Linux kernel 153: 148: 144: 136: 109: 107: 53: 47:October 2020 44: 33: 1911:Programming 1674:PIC24/dsPIC 1610:Rabbit 2000 1421:Word length 1098:Hitachi T.2 1063:HITAC S-810 992:Hitachi 917 977:Locomotives 648:GlobalLogic 288:smart cards 282:notebooks, 251:available. 176:peripherals 34:may not be 1948:Bootloader 1904:Interfaces 1184:Tsūtenkaku 1118:Travelstar 1113:Microdrive 451:2014-08-19 404:2018-05-12 395:"H8S/2116" 380:2023-12-20 338:"H8はどうなるの" 325:References 296:automotive 226:big-endian 180:interrupts 110:Hitachi H8 1985:debugWIRE 1967:Debugging 1891:PowerPC64 1828:Propeller 1536:MELPS 740 1200:DKB Group 1048:H8 Family 342:Cafe Rene 308:System 12 249:emulators 245:simulator 237:compilers 218:registers 78:8, 16, 32 2097:Category 2065:See also 2044:Infineon 1838:TLCS-900 1804:ColdFire 1725:Cortex-M 1689:TLCS-900 1615:TLCS-870 1274:Category 1257:Sold to 1073:Deskstar 563:R8C Tiny 521:Products 314:for the 280:ThinkPad 170:Variants 127:made by 36:reliable 1987:(Atmel) 1981:(JTAG) 1843:TriCore 1816:PowerPC 1712:Am29000 1585:ST6/ST7 1466:TMS1000 1461:TLCS-47 1286:Commons 1053:HD64180 1036:Defunct 945:Current 839:(66.6%) 823:Current 772:Clarion 708:BlueArc 683:Bradken 641:Current 625:Hitachi 347:24 July 284:printer 149:H8/300H 145:H8/300L 1944:(HVPP) 1938:(HVSP) 1920:(ICSP) 1873:64-bit 1863:Z80000 1858:Xtensa 1833:SuperH 1821:MPC5xx 1704:32-bit 1669:MSP430 1659:CR16/C 1640:68HC12 1635:65C816 1627:16-bit 1531:65C265 1526:65C134 1504:68HC11 1499:68HC08 1494:68HC05 1471:μCOM-4 1443:COP400 1438:Am2900 1406:RISC-V 1396:MPS430 1162:Places 1131:People 1022:SuperH 891:Former 859:Tokico 849:Nissin 844:Keihin 792:Maxell 782:Fabrik 765:Former 543:SuperH 316:DB50XG 312:Yamaha 276:Cybiko 274:, the 164:SuperH 137:H8/300 122:32-bit 118:16-bit 2034:Intel 2019:Lists 2007:(ITP) 2001:(ICE) 1995:(ICD) 1958:aWire 1932:(PDI) 1926:(ISP) 1811:PIC32 1799:68000 1794:MN103 1762:AVR32 1745:STM32 1730:EFM32 1694:Z8000 1649:80186 1558:XC800 1481:8-bit 1456:S1C6x 1451:PPS-4 1447:MARC4 1430:4-bit 1366:68000 1193:Other 1058:HITAC 1043:D-VHS 957:EMIEW 882:(60%) 874:(40%) 854:Showa 833:(40%) 583:IEBus 538:RH850 304:Namco 114:8-bit 1848:V850 1789:M32R 1784:H8SX 1777:FR-V 1684:RL78 1654:C166 1605:eZ80 1590:STM8 1570:COP8 1553:8051 1548:8048 1521:6502 1514:RS08 1489:6800 1391:MIPS 1371:8051 1336:Main 1007:LS-R 952:ALiS 756:JECS 568:M32R 548:V850 528:RL78 349:2018 194:and 182:and 120:and 108:The 75:Bits 1953:ROM 1881:ARC 1767:CRX 1750:XMC 1740:SAM 1735:LPC 1722:ARM 1717:ARC 1679:R8C 1664:H8S 1600:Z80 1565:AVR 1543:78K 1509:S08 1411:x86 1401:PIC 1386:AVR 1381:ARM 1376:ARC 578:740 558:R8C 553:78K 241:GCC 211:DEC 196:RAM 188:ROM 141:ALU 2099:: 1853:RX 1772:FR 1644:16 1595:Z8 1575:H8 1108:M6 1012:M8 573:H8 533:RX 397:. 340:. 290:, 231:. 200:KB 190:, 116:, 70:H8 1642:/ 1321:e 1314:t 1307:v 710:) 706:( 617:e 610:t 603:v 506:e 499:t 492:v 454:. 407:. 383:. 351:. 204:B 60:) 54:( 49:) 45:( 39:.

Index


listed sources
reliable
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8-bit
16-bit
32-bit
microcontrollers
Renesas Technology
Hitachi Semiconductor
ALU
Linux kernel
SuperH
peripherals
interrupts
serial ports
ROM
flash memory
RAM
KB
B
DEC
PDP-11 architecture
registers
addressing modes
big-endian
byte ordering
compilers

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