4524 Datasheet, PDF(65/161 Page) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4524 Datasheet, PDF (65/161 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4524 Group

â¢ Key-on wakeup control register K0 .................................................................0......0......0......0...

â¢ Key-on wakeup control register K1 .................................................................0......0......0......0...

â¢ Key-on wakeup control register K2 .................................................................0......0......0......0...

â¢ Pull-up control register PU0 ...........................................................................0.......0......0......0...

â¢ Pull-up control register PU1 ...........................................................................0.......0......0......0...

â¢ Port output structure control register FR0 ......................................................0......0......0.......0..

â¢ Port output structure control register FR1 ......................................................0......0......0.......0..

â¢ Port output structure control register FR2 ......................................................0......0......0.......0..

â¢ Port output structure control register FR3 ......................................................0......0......0.......0..

â¢ Carry flag (CY) ....................................................................................................................0..

â¢ Register A .......................................................................................................0.......0......0.......0..

â¢ Register B .......................................................................................................0.......0......0.......0..

â¢ Register D ..............................................................................................................â......â.......â..

â¢ Register E ..............................................................................â......â.......â......â......â.......â......â.......â..

â¢ Register X .......................................................................................................0.......0......0.......0..

â¢ Register Y .......................................................................................................0.......0......0.......0..

â¢ Register Z ....................................................................................................................â.......â..

â¢ Stack pointer (SP) .................................................................................................1......1.......1..

â¢ Operation source clock .......................................................... On-chip oscillator (operating)

â¢ Ceramic resonator circuit ..................................................................................... Operating

â¢ RC oscillation circuit ...................................................................................................... Stop

â¢ Quartz-crystal oscillator ........................................................................................ Operating

âââ represents undefined.

Fig. 51 Internal state at reset

Rev.2.00 Jul 27, 2004 page 65 of 159

REJ03B0091-0200Z

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