參數(shù)資料
型號(hào)： LR4500
廠商： LSI Corporation
英文描述： Superscalar Microprocessor(超標(biāo)量微處理器)
中文描述： 超標(biāo)量微處理器（超標(biāo)量微處理器）
文件頁數(shù)： 44/172頁
文件大小： 1142K
代理商： LR4500
4-8
Instruction Set
Table 4.7
describes the extended computational instructions.
Table 4.7 Extended Computational Instructions
Instruction
Format and Description
Add Circular Immediate
ADDCIU rt, rs, immediate
The 16-bit immediate is sign extended and added to the contents of
general register
rs
, with the result masked by the value in CP0’s CMask
Register according to the formula:
rt = (rs
31...cmask
||(rs + signextended_imed)
cmask - 1...0)
Find First Clear Bit
FFC rd, rs
Starting at the most significant bit in register
rs
, find the first bit which is
set to 0, and return the bit number in register
rd
. If no bit is set, return
with all bits of
rd
set to 1.
Find First Set Bit
FFS rd, rs
Starting at the most significant bit in register
rs
, find the first bit which is
set to 1, and return the bit number in register
rd
. If no bit is set, return
with all bits of
rd
set to 1.
Maximum
MAX rd, rs, rt
Compare the contents of registers
rs
and
rt
as two’s complement values.
The larger value is stored in register
rd
.
Minimum
MIN rd, rs, rt
Compare the contents of registers
rs
and
rt
as two’s complement
values. The smaller value is stored in register
rd
.
Multiply/Add
MADD rs, rt
Multiply contents of registers
rs
and
rt
as two’s complement values. Add
64-bit results to the contents of the EntryLo Register and EntryHi Register,
and place the results in EntryLo and EntryHi. (The EntryLo and EntryHi
Registers are read/write registers that access the TLB.)
Multiply/Add Unsigned
MADDU rs, rt
Multiply contents of registers
rs
and
rt
as unsigned values. Add 64-bit
results to the contents of the EntryLo Register and EntryHi Register, and
place the results in EntryLo and EntryHi.
Multiply/Subtract
MSUB rs, rt
Multiply contents of registers
rs
and
rt
as two’s complement values.
Subtract the 64-bit results from the contents of the EntryLo Register and
EntryHi Register, and place the results in EntryLo and EntryHi.
Multiply/Subtract
Unsigned
MSUBU rs, rt
Multiply contents of registers
rs
and
rt
as unsigned values. Subtract the
64-bit results from the contents of the EntryLo Register and EntryHi
Register, and place the results in EntryLo and EntryHi.
(Sheet 1 of 2)
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LR4-550 功能描述:可復(fù)位保險(xiǎn)絲 5.5A 20V 100A Imax RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550F 功能描述:可復(fù)位保險(xiǎn)絲 5.5A 20V 100A Imax RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550R 功能描述:可復(fù)位保險(xiǎn)絲 RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550R-2 功能描述:可復(fù)位保險(xiǎn)絲 LR4-550R-2 RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
LR4-550RAF 功能描述:可復(fù)位保險(xiǎn)絲 5.5A STRAP Polyswitch PTC RESET RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C
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