M30240F5 Ver la hoja de datos (PDF) - Mitsumi

Número de pieza

componentes Descripción

Lista de partido

M30240F5

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Mitsumi 

Preliminary Specifications REV. E

Specifications in this manual are tentative and subject to change

Mitsubishi microcomputers

M30240 Group

Processor Mode

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2.2 Processor Mode

Figure 1.7 shows the processor mode registers 0 and 1.

Processor mode register 0 (Note 1)

b7 b6 b5 b4 b3 b2 b1 b0

0

000 0

Symbol

PM0

Address

000416

When reset

0016 (Note)

Bit symbol

Reserved bit

Bit name

Function

RW

Must always be set to "0"

PM03

Software reset bit

The device is reset when this bit is set

to “1”. The value of this bit is “0” when

read.

Nothing is assigned. These bits can neither be set nor reset. When read,

their contents are indeterminate.

Note : Set bit 1 of the protect register (address 000A 16) to “1” when writing new

values to this register.

Processor mode register 1 (Note)

b7 b6 b5 b4 b3 b2 b1 b0

0

00

Symbol

PM1

Address

000516

When reset

00XXXXX02

Bit symbol

Bit name

Function

RW

Reserved bit

Must always be set to “0”

Nothing is assigned.

These bits can neither be set nor reset. When read, their contents are

indeterminate.

PM17

Wait bit

0 : No wait state

1 : Wait state inserted

Note : Set bit 1 of the protect register (address 000A 16) to “1” when writing new values

to this register.

Figure 1.7: Processor mode registers 0 and 1

1-14

Share Link: