MSM66591 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM66591

CMOS 16-bit microcontroller

Oki Electric Industry 

Classification

n Numeric value

n Unit

n Terminology

Notation

xxH

xxb

Word, W

byte, B

nibble, N

mega-, M

kilo-, K

kilo-, k

milli-, m

micro-, m

nano-, n

second, s

“H” level

“L” level

Opcode trap

n Register description

Register name Invalid bit

Notation

Description

Represents a hexadecimal number

Represents a binary number

1 word = 16 bits

1 byte = 2 nibbles = 8 bits

1 nibble = 4 bits

106

210 = 1024

103 = 1000

10-3

10-6

10-9

second

The signal level of the high side of the

voltage;

indicates the voltage level of VIH and VOH

described in the electrical characteristics.

The signal level of the low side of the

voltage; indicates voltage level of VIL and

VOL described in the electrical characteristics.

Operation code trap. Occurs when an empty

area that has not been assigned an

instruction is fetched, or when an instruction

code combination that does not contain an

instruction is addressed.

Fixed bit

Bit name Bit number

7

6

5

4

3

2

1

0

ADCON0L — SCNC0 SNEX0 ADRUN0 "0" ADSNM02 ADSNM01ADSNM00

Invalid bit

Fixed bit

: Indicates that the bit does not exist. Writing into this bit is invalid.

: When writing, always write the specified value. If read, the specified

value will be read. Values of fixed bits are specified as “0” or “1”.

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