E202075_HD404889 Datasheet, PDF(175/202 Page) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit

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E202075_HD404889 Datasheet, PDF (175/202 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit

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HD404889/HD404899/HD404878/HD404868 Series

Table 38 ROM Address Instructions

Operation

Mnemonic Operation Code

Branch on status 1

BR b

Long branch on status 1 BRL u

Long jump

unconditionally

Subroutine jump on

status 1

JMPL u

CAL a

1 1 b7 b6 b5 b4 b3 b2 b1 b0

0 1 0 1 1 1 p3 p2 p1 p0

d9 d8 d7 d6 d5 d4 d3 d2 d1 d0

0 1 0 1 0 1 p3 p2 p1 p0

d9 d8 d7 d6 d5 d4 d3 d2 d1 d0

0 1 1 1 a5 a4 a3 a2 a1 a0

Long subroutine jump

on status 1

Table branch

Return from subroutine

CALL u

TBR p

RTN

0 1 0 1 1 0 p3 p2 p1 p0

d9 d8 d7 d6 d5 d4 d3 d2 d1 d0

0 0 1 0 1 1 p3 p2 p1 p0

0 0 0 0 0 10 0 0 0

Return from interrupt

RTNI

0 0 0 0 0 10 0 0 1

Function

1 â IE,

carry restored

Words/

Status Cycles

1/1

2/2

1/2

2/2

1/1

1/3

1/1

Table 39 Input/Output Instructions

Operation

Set discrete I/O latch

direct

Reset discrete I/O latch

direct

Test discrete I/O latch

direct

Load A from R-port

Load B from R-port

Load R-port register

from A

Load R-port register

from B

Pattern generation

Mnemonic Operation Code

SED

0 0 1 1 1 00 1 0 0

SEDD m

1 0 1 1 1 0 m3 m2 m1 m0

Function

1 â D (Y)

1 â D (m)

RED

REDD m

0 0 0 1 1 00 1 0 0

1 0 0 1 1 0 m3 m2 m1 m0

0 â D (Y)

0 â D (m)

TDD m

0 0 1 1 1 00 0 0 0

1 0 1 0 1 0 m3 m2 m1 m0

LAR m

1 0 0 1 0 1 m3 m2 m1 m0 R (m) â A

LBR m

1 0 0 1 0 0 m3 m2 m1 m0 R (m) â B

LRA m

1 0 1 1 0 1 m3 m2 m1 m0 A â R (m)

LRB m

1 0 1 1 0 0 m3 m2 m1 m0 B â R (m)

0 1 1 0 1 1 p3 p2 p1 p0

Words/

Status Cycles

1/1

D (Y) 1/1

D (m) 1/1

1/1

1/2

173

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