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型號(hào)：	E5550F-DOW
廠商：	TEMIC SEMICONDUCTORS
元件分類：	通信及網(wǎng)絡(luò)
英文描述：	SPECIALTY TELECOM CIRCUIT, UUC7
封裝：	DIE-7
文件頁(yè)數(shù)：	132/1069頁(yè)
文件大?。?/td>	14303K
代理商：	E5550F-DOW

SAM4CP [DATASHEET]

43051E–ATPL–08/14

The SMLSD instruction interprets the values from the first and second operands as four signed halfwords. This

instruction:

Optionally rotates the halfwords of the second operand.

Performs two signed 16 × 16-bit halfword multiplications.

Subtracts the result of the upper halfword multiplication from the result of the lower halfword multiplication.

Adds the signed accumulate value to the result of the subtraction.

Writes the result of the addition to the destination register.

The SMLSLD instruction interprets the values from

as four signed halfwords.

This instruction:

Optionally rotates the halfwords of the second operand.

Performs two signed 16 × 16-bit halfword multiplications.

Subtracts the result of the upper halfword multiplication from the result of the lower halfword multiplication.

Adds the 64-bit value in

to the result of the subtraction.

Writes the 64-bit result of the addition to the

Restrictions

In these instructions:

Do not use SP and do not use PC.

Condition Flags

This instruction sets the Q flag if the accumulate operation overflows. Overflow cannot occur during the multiplications or

subtraction.

For the Thumb instruction set, these instructions do not affect the condition code flags.

SMLSD R0, R4, R5, R6 ; Multiplies bottom halfword of R4 with bottom

; halfword of R5, multiplies top halfword of R4

; with top halfword of R5, subtracts second from

; first, adds R6, writes to R0

SMLSDX R1, R3, R2, R0 ; Multiplies bottom halfword of R3 with top

; halfword of R2, multiplies top halfword of R3

; with bottom halfword of R2, subtracts second from

; first, adds R0, writes to R1

SMLSLD R3, R6, R2, R7 ; Multiplies bottom halfword of R6 with bottom

; halfword of R2, multiplies top halfword of R6

; with top halfword of R2, subtracts second from

; first, adds R6:R3, writes to R6:R3

SMLSLDX R3, R6, R2, R7 ; Multiplies bottom halfword of R6 with top

; halfword of R2, multiplies top halfword of R6

; with bottom halfword of R2, subtracts second from

; first, adds R6:R3, writes to R6:R3.

相關(guān)PDF資料	PDF描述
E5551A-DIT	SPECIALTY TELECOM CIRCUIT, UUC7
E5551A-DOW	SPECIALTY TELECOM CIRCUIT, UUC7
E5551A-FP008	SPECIALTY TELECOM CIRCUIT, PDSO8
E5551A-FP008	SPECIALTY TELECOM CIRCUIT, PDSO8
E5551A-DOW	SPECIALTY TELECOM CIRCUIT, UUC7

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
E5550F-S8	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder
E5551A-DIT	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder
E5551A-DOW	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder
E5551A-FP008	制造商:未知廠家制造商全稱:未知廠家功能描述:TRANSPONDER\|CMOS\|SOP\|8PIN\|PLASTIC
E5552	制造商:未知廠家制造商全稱:未知廠家功能描述:Transponder

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