參數(shù)資料
型號： 20726
英文描述： 3DNow!? Technology Manual AMD-K6 Processor Multimedia Technology
中文描述： 3DNow！？技術(shù)手冊的AMD - K6處理器多媒體技術(shù)
文件頁數(shù)： 33/120頁
文件大?。?/td> 1284K
代理商： 20726
MMX Instruction Set
27
20726D/0—January 2000
AMD-K6 MMX Enhanced Processor Multimedia Technology
Preliminary Information
Functional Illustration of the PACKUSWB Instruction
The following list explains the functional illustration of the PACKUSWB instruction:
I
Bits 63–48 of the source operand (mmreg2/mem64) are packed into bits 63–56 of
the destination operand (mmreg1). The result is saturated to the largest possible
8-bit positive number because the 16-bit positive source operand (0112h) exceeds
the capacity of an unsigned 8-bit destination operand.
Bits 47–32 of the source operand are packed into bits 55–48 of the destination
operand. The result is not saturated because the 16-bit positive source operand
(008Bh) does not exceed the capacity of an unsigned 8-bit destination operand.
Bits 31–16 of the source operand are packed into bits 47–40 of the destination
operand. The result is saturated to the largest possible 8-bit positive number
because the 16-bit positive source operand exceeds the capacity of an unsigned
8-bit destination operand.
Bits 15–0 of the source operand are packed into bits 39–32 of the destination
operand. The result is saturated to 00h because the source operand (FF88h) is a
negative value.
Bits 63–48 of the destination operand are packed into bits 31–24 of the destination
operand (mmreg1). The result is not saturated because the 16-bit positive source
operand (0002h) does not exceed the capacity of an unsigned 8-bit destination
operand.
Bits 47–32 of the destination operand are packed into bits 23–16 of the destination
operand. The result is saturated to the largest possible 8-bit positive number
I
I
I
I
I
01
mmreg1
(Unsigned)
mmreg2/mem64
(Signed)
mmreg1
(Signed)
0
0
0
63
63
63
12h
31
32
31
32
31
32
47
48
15
16
47
48
15
16
47
48
15
16
7
8
23
24
39
40
55
56
00
8Bh
0F
80h
FF
88h
00
02h
02
3Ah
00
7Eh
FF
F8h
FFh
FFh
02h
7Eh
8Bh
00h
FFh
00h
Indicates a saturated value
相關(guān)PDF資料
PDF描述
20736 Enhanced Am486DX Family Data Sheet? 1.87MB (PDF)
2075 data delay devices
208-501-21-38 LED TELEFONSOCKEL T6.8 12V ROT
208-521-21-38 LED TELEFONSOCKEL T6.8 12V GELB
208-532-21-38 LED TELEFONSOCKEL T6.8 12V GRUEN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
20727 制造商:Schneider Electric 功能描述:CIRCUIT BREAKER DECLIC 20A 制造商:Schneider Electric 功能描述:CIRCUIT BREAKER 1 POLE + NEUTRAL 20 A
20728 制造商:Schneider Electric 功能描述:CIRCUIT BREAKER 1 POLE + NEUTRAL 25 A
207289-000 制造商:TE Connectivity 功能描述:CE-14-06000-P-ABRAS-WHEEL 制造商:TE Connectivity 功能描述:CE-14-06000-P-ABRAS-WHEEL - Bulk
20729 制造商:Schneider Electric 功能描述:CIRCUIT BREAKER DECLIC 32A 制造商:Schneider Electric 功能描述:CIRCUIT BREAKER 1 POLE + NEUTRAL 32 A
207292-1 功能描述:標(biāo)準(zhǔn)環(huán)形連接器 CPC RECP 17-16 RoHS:否 制造商:Hirose Connector 系列:EM-W 產(chǎn)品類型:Accessories 位置/觸點(diǎn)數(shù)量:1 觸點(diǎn)類型: 觸點(diǎn)電鍍: 安裝風(fēng)格:Cable 外殼材質(zhì): 端接類型:Clamp 電壓額定值:
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