参数资料
型号: RM7965A-900UI
厂商: PMC-SIERRA INC
元件分类: 微控制器/微处理器
英文描述: 64-BIT, 900 MHz, MICROPROCESSOR, PBGA256
封装: 27 X 27 MM, 1.62 MM HEIGHT, MO-192BAL-2, CSBGA-256
文件页数: 14/60页
文件大小: 508K
代理商: RM7965A-900UI
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January,
2011
02:34:04
AM
RM7965A-900UI 900 MHz 64-bit Microprocessor Data Sheet
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
21
Document No.: PMC-2100294, Issue 2
divide
square root
reciprocal
reciprocal square root
conditional moves
conversion between fixed-point and floating-point format
conversion between floating-point formats
floating-point compare
Table 6 gives the latencies of the floating-point instructions in internal processor cycles.
Table 6 Floating Point Latencies and Repeat Rates
Operation
Latency
single/double
Repeat Rate
single/double
fadd
4
1
fsub
4
1
fmult
4/5
1/2
fmadd
4/5
1/2
fmsub
4/5
1/2
fdiv
21/36
19/34
fsqrt
21/36
19/34
frecip
21/36
19/34
frsqrt
38/68
36/66
fcvt.s.d
4
1
fcvt.s.w
6
3
fcvt.s.l
6
3
fcvt.d.s
4
1
fcvt.d.w
4
1
fcvt.d.l
4
1
fcvt.w.s
4
1
fcvt.w.d
4
1
fcvt.l.s
4
1
fcvt.l.d
4
1
fcmp
1
fmov, fmovc
1
fabs, fneg
1
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