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MC81F4204M Datasheet(PDF) 52 Page - Finechips |
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MC81F4204M Datasheet(HTML) 52 Page - Finechips |
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52 / 150 page  MC81F4204 52 October 19, 2009 Ver.1.35 Address Register Name Mnemonic R/W Initial value Hex 00DCH R3 Port Control Register High Byte R3CONH R/W – – 0 0 0 0 0 0 00DDH R3 Port Control Register Low Byte R3CONL R/W 1 0 0 1 1 – – – 00E1H RAM Page Selection Register RPR R/W – – – – – – – 0 00E5H Buzzer Control Register BUZR R/W 1 1 0 0 – – – – 00E6H Buzzer Period Data Register BUPDR R/W 1 1 1 1 1 1 1 1 00E7H SIO Control Register SIOCR R/W – – 0 0 0 0 0 0 00E8H SIO Data Register SIODAT R/W 0 0 0 0 0 0 0 0 00E9H SIO Prescaler Register SIOPS R/W 0 0 0 0 0 0 0 0 00EAH Interrupt Enable Register High Byte IENH R/W 0 0 0 0 0 0 – – 00EBH Interrupt Enable Register Low Byte IENL R/W – 0 – – – 0 – 0 00ECH Interrupt Request Register High Byte IRQH R/W 0 0 0 0 0 0 – – 00EDH Interrupt Request Register Low Byte IRQL R/W – 0 – – – 0 – 0 00EEH Interrupt Flag Register High Byte INTFH R/W 0 0 0 0 0 0 – – 00F1H Basic Timer Counter Register BTCR R X X X X X X X X 00F2H Clock control Register CKCTLR R/W – – – 1 0 1 1 1 00F3H Power On Reset Control Register PORC R/W 0 0 0 0 0 0 0 0 00F4H Watchdog Timer Register WDTR R/W 0 1 1 1 1 1 1 1 00F5H Stop & Sleep Mode Control Register SSCR R/W 0 0 0 0 0 0 0 0 00F6H Watchdog Timer Status Register WDTSR R/W 0 0 0 0 0 0 0 0 00F7H Watchdog Timer Counter Register WDTCR R X X X X X X X X Table 9-2 Control Register 2/4 |
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