M3882 datasheet(46/62 Pages) RENESAS

46 / 62 page

Rev.1.01

Nov 14, 2005

page 46 of 60

REJ03B0089-0101

3882 Group

Fig. 41 Internal status at reset

Port P0 (P0)

Port P0 direction register (P0D)

Port P1 (P1)

Port P1 direction register (P1D)

Port P2 (P2)

Port P2 direction register (P2D)

Port P3 (P3)

Port P3 direction register (P3D)

Port P4 (P4)

Port P4 direction register (P4D)

Port P5 (P5)

Port P5 direction register (P5D)

Port P6 (P6)

Port P6 direction register (P6D)

Port P7 (P7)

Port P7 direction register (P7D)

Port P8 (P8)

Port P8 direction register (P8D)

Serialized IRQ control register (SERCON)

Watchdog timer control register (WDTCON)

Serialized IRQ request register (SERIRQ)

Prescaler 12 (PRE12)

Timer 1 (T1)

Timer 2 (T2)

Timer XY mode register (TM)

Prescaler X (PREX)

Timer X (TX)

Prescaler Y (PREY)

Timer Y (TY)

Data bus buffer register 0 (DBB0)

Data bus buffer status register 0 (DBBSTS0)

LPC control register (LPCCON)

Data bus buffer register 1 (DBB1)

Data bus buffer status register 1 (DBBSTS1)

Port control register 1 (PCTL1)

Port control register 2 (PCTL2)

Interrupt source selection register (INTSEL)

Interrupt edge selection register (INTEDGE)

CPU mode register (CPUM)

Interrupt request register 1 (IREQ1)

Interrupt request register 2 (IREQ2)

Interrupt control register 1 (ICON1)

Interrupt control register 2 (ICON2)

LPC0 address register L (LPC0ADL)

LPC0 address register H (LPC0ADH)

LPC1 address register L (LPC1ADL)

LPC1 address register H (LPC1ADH)

Port P5 input register (P5I)

Port control register 3 (PCTL3)

Processor status register

Program counter

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)

(21)

(22)

(23)

(24)

(25)

(26)

(27)

(28)

(29)

(30)

(31)

(32)

(33)

(34)

(35)

(36)

(37)

(38)

(39)

(40)

(41)

(42)

(43)

(44)

(45)

(46)

(47)

(48)

(49)

(50)

(51)

003A16

003B16

003C16

003D16

003E16

003F16

0FF016

0FF116

0FF216

0FF316

0FF816

0FF916

(PS)

(PCH)

(PCL)

Address

0016

Address Register contents

000016

000116

000216

000316

000416

000516

000616

000716

000816

000916

000A16

000B16

000C16

000D16

000E16

000F16

001016

001116

001D16

001E16

001F16

002016

002116

002216

002316

002416

002516

002616

002716

002816

002916

002A16

002B16

002C16

002E16

002F16

003916

0016

FF16

0116

FF16

0016

FF16

0016

Note : X : Not fixed

Since the initial values for other than above mentioned registers and

RAM contents are indefinite at reset, they must be set.

XXXXX X XX

00111 111

FFFD16 contents

FFFC16 contents

01 001 0 0 0

XX X X X X X X

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