M38C37ECAFP datasheet(36/62 Pages) MITSUBISHI

36 / 62 page

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

38C3 Group

0016

FF16

002A16

002B16

002C16

002D16

002E16

002F16

003116

X: Not fixed

Since the initial values for other than above mentioned registers and RAM contents are indefinite at reset, they must be set.

In the M version, bit 0 of the port P5 direction register becomes “1.”

Address Register contents

0016

FF16

0016

000016

000116

000216

000416

000516

000616

000816

000916

000A16

000B16

000C16

000D16

000E16

000F16

001016

001116

001616

001716

001816

001916

001A16

002016

002116

002216

002316

002416

002516

002816

Timer 4

Port P0

Port P0 direction register

Port P1

Port P2

Port P2 direction register

Port P3

Port P4

Port P4 direction register

Port P5

Port P5 direction register

Port P6

Port P6 direction register

Port P7

Port P7 direction register

Port P8

Port P8 direction register

Port P8 output selection register

Serial I/O control register 1

Serial I/O control register 2

Timer 1

Timer 2

Timer 3

Timer 5

Timer 6

Timer 12 mode register

(1)

(2)

(3)

(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)

0016

002916

Timer 34 mode register

(30)

(32)

(33)

(34)

(35)

(36)

(37)

(38)

Timer 56 mode register

φ output control register

Timer A (low-order)

Timer A (high-order)

Compare register (low-order)

Compare register (high-order)

Timer A mode register

Timer A control register

1016

0016

003216

003816

003B16

003C16

003D16

003E16

003F16

(39)

(40)

(43)

(44)

(45)

(46)

(47)

A-D control register

Segment output enable register

CPU mode register

Interrupt request register 1

Interrupt request register 2

Interrupt control register 1

Interrupt control register 2

0016

PULL register A

PULL register B

(31)

FFFC16 contents

(PS)

(PCH)

(PCL)

(65)

(66) Program counter

Processor status register

FFFD16 contents

003016

0016

0F16

0016

FF16

0116

FF16

01 00 10

0016

000316

Port P1 direction register

(4)

003A16

(41)

(42)

LCD mode register

Interrupt edge selection register

0016

003916

0016

FF16

0F0116

0F0216

0F0316

0F0416

(48)

(49)

(50)

(51)

ROM correct enable register 1

ROM correct high-order address

ROM correct low-order address

ROM correct high-order address

FF16

0F0516

0F0616

0F0716

(52)

(53)

(54)

ROM correct low-order address

FF16

ROM correct high-order address

ROM correct low-order address

FF16

0F0816

0F0916

0F0A16

(55)

(56)

(57)

ROM correct high-order address

ROM correct low-order address

ROM correct high-order address

FF16

0F0B16

0F0C16

0F0D16

(58)

(59)

(60)

ROM correct low-order address

FF16

ROM correct high-order address

ROM correct low-order address

FF16

0F0E16

0F0F16

0F1016

(61)

(62)

(63)

ROM correct high-order address

ROM correct low-order address

ROM correct high-order address

FF16

0F1116

(64) ROM correct low-order address

Fig. 39 Internal status at reset

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