Renesas R8C/17 Betriebsanweisung PDF herunterladen (Seite 31)

SmartBook for Renesas R8C/Tiny Microcontrollers

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3.3 Instruction Set:

The instruction set of the R8C/Tiny contains 89 discreet instructions. Of

these, 20 instructions require only one clock cycle for the execution. 75% of

the instructions require less than five cycles for the execution. Following list

indicates all these instructions arranged in different categories:

3.4 Data Transfer (14 instructions):

Transfer

(MOV)

Save effective address

(PUSHA)

Transfer effective address

(MOVA)

Save multiple registers

(PUSHM)

Transfer four bit data

(MOVDir)

Transfer from extended data area

(LDE)

Restore register

(POP)

Transfer to extended data area

(STE)

Restore multiple registers

(POPM)

Conditional transfer

(STNZ, STZ, STZX)

Save register

(PUSH)

Exchange

(XCHG)

3.5 Arithmetic (21):

Absolute value

(ABS)

Decimal subtract with borrow

(DSBB)

Add with carry

(ADC)

Decimal subtract without borrow

(DSUB)

Add with carry flag

(ADCF)

Extend sign

(EXTS)

Add without carry

(ADD)

Increment

(INC)

Compare

(CMP)

Signed multiply

(MUL)

The instruction set

of the R8C/Tiny

contains 89 dis-

creet instruc-

tions. Of these,

20 instruc-

tions require only one clock

cycle for the execution. 75%

of the instructions require

less than five cycles

for the execu-

tion.

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 96 97

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