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Text File  |  1995-05-05  |  3KB  |  53 lines
  1. 　　　　　表5.1.1(i) I/Oメモリマップ(00FF48H～00FF4AH)
  2.  
  3. ｱﾄﾞﾚｽ   ﾋﾞｯﾄ  名称　　　        機　能              1　　0　　SR　R/W　注釈
  4. 00FF48   D7   -         -                           -    -    -        読み出し
  5.                                                                        時は"0"
  6.          D6   EPR       ﾊﾟﾘﾃｨｲﾈｰﾌﾞﾙﾚｼﾞｽﾀ          ﾊﾟﾘﾃｨ ﾊﾟﾘﾃｨ 0   R/W  調歩同期
  7.                                                   付き  なし           式のみ
  8.          D5   PMD       ﾊﾟﾘﾃｨﾓｰﾄﾞ選択             奇数  偶数  0   R/W
  9.          D4   SCS1      ｸﾛｯｸ源選択                            0   R/W  ｸﾛｯｸ同期
  10.                          SCS1 SCS0     ｸﾛｯｸ源                          式ｽﾚｰﾌﾟ
  11.                           1    1   ﾌﾟﾛｸﾞﾗﾏﾌﾞﾙﾀｲﾏ                       ﾓｰﾄﾞでは
  12.          D3   SCS0        1    0   fosc3/4                    0   R/W  外部ｸﾛｯｸ
  13.                           0    1   fosc3/8                             が選択
  14.                           0    0   fosc3/16                            される
  15.          D2   SMD1      ｼﾘｱﾙI/Fﾓｰﾄﾞ選択                       0   R/W
  16.                          SMD1 SMD0     ﾓｰﾄﾞ
  17.                           1    1   調歩同期式8ﾋﾞｯﾄ
  18.          D1   SMD0        1    0   調歩同期式7ﾋﾞｯﾄ            0   R/W
  19.                           0    1   ｸﾛｯｸ同期式ｽﾚｰﾌﾟ
  20.                           0    0   ｸﾛｯｸ同期式ﾏｽﾀ
  21.          D0   ESIF      ｼﾘｱﾙI/Fｲﾈｰﾌﾞﾙﾚｼﾞｽﾀ        ｼﾘｱﾙ I/O    0   R/W
  22.                                                   I/F  ﾎﾟｰﾄ
  23. 00FF49   D7   -         -                           -    -    -        読み出し
  24.                                                                        時は"0"
  25.          D6   FER       ﾌﾚｰﾐﾝｸﾞｴﾗｰﾌﾗｸﾞ       R    ｴﾗｰ  ｴﾗｰ    0   R/W  調歩同期
  26.                                                        なし            式のみ
  27.                                              W    ﾘｾｯﾄ 無効
  28.                                                   (0)
  29.          D5   PER       ﾊﾟﾘﾃｨｴﾗｰﾌﾗｸﾞ         R    ｴﾗｰ  ｴﾗｰ    0   R/W
  30.                                                        なし
  31.                                              W    ﾘｾｯﾄ 無効
  32.                                                   (0)
  33.          D4   OER       ｵｰﾊﾞｰﾗﾝｴﾗｰﾌﾗｸﾞ       R    ｴﾗｰ  ｴﾗｰ    0   R/W
  34.                                                        なし
  35.                                              W    ﾘｾｯﾄ 無効
  36.                                                   (0)
  37.          D3   RXTRG     受信ﾄﾘｶﾞ/ｽﾃｰﾀｽ       R    受信 停止   0   R/W
  38.                                                   中   中
  39.                                              W    ﾄﾘｶﾞ 無効
  40.          D2   RXEN      受信許可                  許可 禁止   0   R/W
  41.          D1   TXTRG     送信ﾄﾘｶﾞ/ｽﾃｰﾀｽ       R    送信 停止   0   R/W
  42.                                                   中   中
  43.                                              W    ﾄﾘｶﾞ 無効
  44.          D0   RXEN      送信許可                  許可 禁止   0   R/W
  45. 00FF4A   D7   TRXD7     送受信ﾃﾞｰﾀD7(MSB)
  46.          D6   TRXD6     送受信ﾃﾞｰﾀD6
  47.          D5   TRXD5     送受信ﾃﾞｰﾀD5
  48.          D4   TRXD4     送受信ﾃﾞｰﾀD4              High  Low   X   R/W
  49.          D3   TRXD3     送受信ﾃﾞｰﾀD3
  50.          D2   TRXD2     送受信ﾃﾞｰﾀD2
  51.          D1   TRXD1     送受信ﾃﾞｰﾀD1
  52.          D0   TRXD0     送受信ﾃﾞｰﾀD0(LSB)
  53.