M34282M2-XXXGP View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

M34282M2-XXXGP

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

Renesas Electronics 

4282 Group

BA a (Branch to address a + Accumulator)

Instrunction D8

D0

code

000000001

2

1 1 a6 a5 a4 a3 a2 a1 a0

2

Operation: (PCL) ← a6–a4, A3–A0

Number of Number of Flag CY

words

0 0 1 16

2

1

8

+a

a

16

Grouping:

cycles

2

–

Branch operation

Skip condition

–

Description: Branch within a page : Branches to address

(a6 a5 a4 A3 A2 A1 A0) determined by replac-

ing the low-order 4 bits of the address a in

the identical page with register A.

BL p, a (Branch Long to address a in page p)

Instrunction D8

D0

code

0 0 0 1 1 p3 p2 p1 p0

2

Operation:

1 1 a6 a5 a4 a3 a2 a1 a0 2

(PCH) ← (P)

(PCL) ← a6–a0

Number of Number of Flag CY

03p

words

cycles

16

2

2

–

1

8

+a

a 16 Grouping:

Branch operation

Skip condition

–

Description: Branch out of a page : Branches to address

a in page p.

Note:

p is 0 to 7 for M34282M1,

p is 0 to 15 for M34282M2/E2.

BLA p, a (Branch Long to address a in page p)

Instrunction D8

D0

code

000010000

2

Operation:

1 1 a6 a5 a4 p3 p2 p1 p0 2

(PCH) ← (P)

(PCL) ← (a6–a4, A3–A0)

Number of Number of Flag CY

010

words

cycles

16

2

2

–

Skip condition

–

1

8

+a

p

16

Grouping:

Branch operation

Description: Branch within a page : Branches to address

(a6 a5 a4 A3 A2 A1 A0) determined by replac-

ing the low-order 4 bits of the address a in

page p with register A.

Note:

p is 0 to 7 for M34282M1,

p is 0 to 15 for M34282M2/E2.

BM a (Branch and Mark to address a in page 2)

Instrunction

code

D8

10

D0

a6 a5 a4 a3 a2 a1 a0

2

Number of Number of Flag CY

1aa

words

cycles

16

1

1

–

Skip condition

–

Operation:

(SK(SP)) ← (PC)

(SP) ← (SP) + 1

(PCH) ← 2

(PCL) ← a6–a0

Grouping: Subroutine call operation

Description: Call the subroutine in page 2 : Calls the

subroutine at address a in page 2.

Rev.1.33 Mar 18, 2004 page 28 of 67

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