MC81F4204 Datasheet, PDF (52/150 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

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