ST10F271B datasheet(51/180 Pages) STMICROELECTRONICS

部品番号	ST10F271B

部品情報	16-bit MCU with 128 Kbyte Flash memory and 8/12 Kbyte RAM

PDF	180 Pages

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メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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ST10F271B/ST10F271E

Central processing unit (CPU)

51/180

7.3

MAC co-processor specific instructions

The

Table 27 lists the MAC instructions of the ST10F271. The detailed description of each

instruction can be found in the “ST10 Family Programming Manual”. Note that all MAC

instructions are encoded on 4 Bytes.

Table 27.

MAC instruction set summary

Mnemonic

Description

CoABS

Absolute Value of the Accumulator

CoADD(2)

Addition

CoASHR(rnd)

Accumulator Arithmetic Shift Right & Optional Round

CoCMP

Compare Accumulator with Operands

CoLOAD(-,2)

Load Accumulator with Operands

CoMAC(R,u,s,-,rnd)

(Un)Signed/(Un)Signed Multiply-Accumulate & Optional Round

CoMACM(R)(u,s,-,rnd)

(Un)Signed/(Un)Signed Multiply-Accumulate with Parallel Data

Move & Optional Round

CoMAX / CoMIN

Maximum / Minimum of Operands and Accumulator

CoMOV

Memory to Memory Move

CoMUL(u,s,-,rnd)

(Un)Signed/(Un)Signed multiply & Optional Round

CoNEG(rnd)

Negate Accumulator & Optional Round

CoNOP

No-Operation

CoRND

Round Accumulator

CoSHL / CoSHR

Accumulator Logical Shift Left / Right

CoSTORE

Store a MAC Unit Register

CoSUB(2,R)

Substraction

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