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|  | The uM-FPU V3.1 floating point coprocessor is easily interfaced with the PICAXE family of microcontrollers to provide support for 32-bit floating point and 32-bit long integer operations. The PICAXE is interfaced to the uM-FPU V3 using an I2C connection. |  | 
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| uM-FPU64 |  |  | 
| Documentation and Support Software | 
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| uM-FPU64 Datasheet Functional description and hardware specifications for uM-FPU64 floating point coprocessor.
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| uM-FPU64 Instruction Set Description of all uM-FPU64 instructions.
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| Using uM-FPU64 with PICAXE Microcomputers Support software for using uM-FPU64 with PICAXE microcontrollers.
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| See Application Notes  for descriptions and sample programs that
show how to use the uM-FPU in various applications. | 
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| See uM-FPU64 IDE for a description of the uM-FPU64 Integrated Development Environment (IDE). The uM-FPU64 IDE  provides support for compiling, debugging, and programming the uM-FPU64 floating point coprocessor. | 
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| uM-FPU V3.1 |  |  | 
| Documentation and Support Software | 
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| uM-FPU V3.1 Datasheet Functional description and hardware specifications for uM-FPU V3.1 floating point coprocessor.
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| uM-FPU V3.1 Instruction Set Description of all uM-FPU V3.1 instructions.
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| Using uM-FPU V3.1 with PICAXE Reference guide and support software for using uM-FPU V3.1 with PICAXE microcontrollers.
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| See Application Notes  for descriptions and sample programs that
show how to use the uM-FPU in various applications. | 
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| See uM-FPU V3 IDE for a description of the uM-FPU V3 Integrated Development Environment (IDE). The uM-FPU V3 IDE provides support for compiling, debugging, and programming the uM-FPU V3.1 floating point coprocessor | 
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| uM-FPU V2 |  |  | 
| Documentation and Support Software | 
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| uM-FPU V2 Datasheet Functional description and hardware specifications for uM-FPU V2 floating point coprocessor.
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| uM-FPU V2 Instruction Set Description of all uM-FPU V3.1 instructions.
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| Using uM-FPU V2 with PICAXE Reference guide and support software for using uM-FPU V2 with PICAXE microcontrollers.
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| See Application Notes  for descriptions and sample programs that
show how to use the uM-FPU in various applications. | 
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| See uM-FPU V2 IDE for a description of the uM-FPU V2 Integrated Development Environment (IDE). The uM-FPU V2 IDE provides support for compiling, debugging, and programming the uM-FPU V2 floating point coprocessor | 
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