M3885 datasheet(69/103 Pages) RENESAS

69 / 103 page

3885 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

Fig. 67 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)

I2C data shift register (S0)

I2C address register (S0D)

I2C status register (S1)

I2C control register (S1D)

I2C clock control register (S2)

I2C start/stop condition control register (S2D)

Transmit/Receive buffer register (TB/RB)

Serial I/O status register (SIOSTS)

Serial I/O control register (SIOCON)

UART control register (UARTCON)

Baud rate generator (BRG)

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)

Comparator data register (CMPD)

Port control register 1 (PCTL1)

Port control register 2 (PCTL2)

PWM0H register (PWM0H)

PWM0L register (PWM0L)

PWM1H register (PWM1H)

PWM1L register (PWM1L)

AD/DA control register (ADCON)

A-D conversion register 1 (AD1)

D-A1 conversion register (DA1)

D-A2 conversion register (DA2)

A-D conversion register 2 (AD2)

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)

Flash memory control register (FMCR)

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)

(52)

(53)

(54)

(55)

(56)

(57)

(58)

(59)

(60)

(61)

(62)

(63)

(64)

(65)

(66)

(67)

(68)

(69)

(70)

(71)

(72)

(73)

002516

002616

002716

002816

002916

002A16

002B16

002C16

002D16

002E16

002F16

003016

003116

003216

003316

003416

003516

003616

003716

003816

003916

003A16

003B16

003C16

003D16

003E16

003F16

0FF016

0FF116

0FF216

0FF316

0FF816

0FF916

0FFE16

(PS)

(PCH)

(PCL)

Address

FF16

0016

Address Register contents

000016

000116

000216

000316

000416

000516

000616

000716

000816

000916

000A16

000B16

000C16

000D16

000E16

000F16

001016

001116

001216

001316

001416

001516

001616

001716

001816

001916

001A16

001B16

001C16

001D16

001E16

001F16

002016

002116

002216

002316

002416

0016

FF16

0116

FF16

0016

FF16

X X XXX XXX

00 0 1 0 0 0 X

XXXXXXXX

XXXXX X XX

000 1 1 0 1 0

10000 000

11100 000

00111 111

XXXXXXXX

XXXX XXXX

XXXXXXXX

XXXX XXXX

00 0000 X X

FFFD16 contents

FFFC16 contents

01 001 0 0 0

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.

XXXXXXXX

X0 X X X X X X

X 0 XXXXXX

00 0 0 1 0 0 0

M3885 Datasheet(PDF) 69 Page - Renesas Technology Corp

M3885 Datasheet(HTML) 69 Page - Renesas Technology Corp

Html Pages

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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL