4502_M datasheet(86/214 Pages) RENESAS

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Skip condition

Number of

cycles

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words

Instruction

code

Flag CY

Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

INSTRUCTIONS

1-74

Rev.2.01

Feb 02, 2005

4502 Group

HARDWARE

REJ09B0193-0201

SNZ0 (Skip if Non Zero condition of external 0 interrupt request flag)

0000111000

038

–

V10 = 0: (EXF0) = 1

Grouping:

Interrupt operation

Description: When V10 = 0 : Skips the next instruction

when external 0 interrupt request flag EXF0

is “1.” After skipping, clears (0) to the EXF0

flag. When the EXF0 flag is “0,” executes

the next instruction.

When V10 = 1 : This instruction is equiva-

lent to the NOP instruction.

Operation:

V10 = 0: (EXF0) = 1 ?

After skipping, (EXF0)

← 0

V10 = 1: SNZ0 = NOP

(V10 : bit 0 of the interrupt control register V1)

SNZCP (Skip if Non Zero condition of Port C)

1010001001

289

–

Grouping:

Input/Output operation

Description: Skips the next instruction when the con-

tents of port C is “1.”

Executes the next instruction when the con-

tents of port C is “0.”

Operation:

SNZAD (Skip if Non Zero condition of A/D conversion completion flag)

1010000111

287

–

V22 = 0: (ADF) = 1

Grouping:

A/D conversion operation

Description: When V22 = 0 : Skips the next instruction

when A/D conversion completion flag ADF

is “1.” After skipping, clears (0) to the ADF

flag. When the ADF flag is “0,” executes the

next instruction.

When V22 = 1 : This instruction is equiva-

lent to the NOP instruction.

Operation:

V22 = 0: (ADF) = 1 ?

After skipping, (ADF)

← 0

V22 = 1: SNZAD = NOP

(V22 : bit 2 of the interrupt control register V2)

SNZI0 (Skip if Non Zero condition of external 0 Interrupt input pin)

0000111010

03A

–

I12 = 0 : (INT) = “L”

I12 = 1 : (INT) = “H”

Grouping:

Interrupt operation

Description: When I12 = 0 : Skips the next instruction

when the level of INT pin is “L.” Executes

the next instruction when the level of INT

pin is “H.”

When I12 = 1 : Skips the next instruction

when the level of INT pin is “H.” Executes

the next instruction when the level of INT

pin is “L.”

Operation:

I12 = 0 : (INT) = “L” ?

I12 = 1 : (INT) = “H” ?

(I12 : bit 2 of the interrupt control register I1)

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

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