参数资料
型号: TSC21020F-20SBSL3
英文描述: IC CYCLONE III FPGA 55K 484FBGA
中文描述: 数字信号处理器| 32位|的CMOS | RAD数据通信硬| QFL | 256PIN |陶瓷
文件页数: 25/51页
文件大小: 763K
代理商: TSC21020F-20SBSL3
25
TSC21020F
4153F
AERO
06/03
Multiplier Compute
Operations
Rn, Rx, Ry
Fn, Fx, Fy F15-F0; register file location, floating-point
MRxF
MR2F, MR1F, MR0F; multiplier result accumulators, foreground
MRxB
MR2B, MR1B, MR0B; multiplier result accumulators, background
(
|
x-input
|
|
y-input
|
|
data format
|
)
|
rounding
|
S
Signed input
U
Unsigned input
I
Integer input(s)
F
Fractional input(s)
FR
Fractional inputs, Rounded output
(SF)
Default format for 1-input operations
(SSF)
Default format for 2-input operations
R15-R0; register file location, fixed-point
Rn
MRF
MRB
Rn
Rn
MRF
MRB
Rn
Rn
MRF
MRB
= Rx *
Ry(
S
U
S
U
F
I
FR
)
Fn = Fx * Fy
=
=
=
=
=
=
=
=
MR F
MR B
MR F
MR B
SAT M RF
SAT M RB
SAT M RF
SAT M RB
+ Rx * Ry S
U
S
U
F
I
FR
)
Rn
Rn
MR F
MRB
Rn
Rn
MR F
MRB
=
=
=
=
MR F
MR B
MR F
MR B
RND MRF
RND MRB
RND MRF
RND MRB
Rx * Ry (
S
U
S
U
F
I
FR
(SI)
(UI)
(SF)
(UF)
(SF)
(UF)
MRF
MRB
MRxF
MRxB
= 0
= Rn
Rn = MR
MRxB
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