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User’s Manual U16580EE3V1UD00
Chapter 1
Introduction
The V850E/PH2 (PHOENIX-F
Note
) is a product of the NEC Electronics single-chip microcontrollers
“V850 series™”. This chapter gives a short outline of the V850E/PH2 microcontroller.
1.1 Outline
The V850E/PH2 is a 32-bit single-chip microcontroller that realizes high-precision inverter control of a
motor due to high-speed operation. It uses the V850E1 CPU (NU85EFC) of the V850 Series including
single-precision floating point unit, and has on-chip ROM, RAM, bus interface, DMA controller, a real-
time pulse unit including 3-phase PWM timer for inverter control, various serial interfaces including
AFCAN, and peripheral facilities such as A/D converters, as well as an on-chip debug interface.
(1)
V850E1 CPU
The V850E1 CPU (NU85EFC) supports a RISC instruction set that enhances the performance of
the V850 CPU, which is the CPU core integrated in the V850 Series, and has added instructions
supporting high-level languages, such as C-language switch statement processing, table look-up
branching, stack frame creation/deletion, and data conversion. This enhances the performance of
both data processing and control. It is possible to use the software resources of the V850 CPU
integrated system since the instruction codes of the V850E1 are upwardly compatible at the object
code level with those of the V850 CPU.
In addition, the V850E1 CPU (NU85EFC) incorporates a single-precision floating point unit, which
supports high speed floating point arithmetic operations.
(2)
External memory interface function
The V850E/PH2 microcontroller features n on-chip external memory interface including separately
configured address (22 bits) and data (32 bits) buses. SRAM and ROM can be connected.
(3)
On-chip flash memory
The V850E/PH2 microcontroller has a quickly accessible flash memory on-chip, that can shorten
system development time since it is possible to rewrite a program with the V850E/PH2
microcontroller mounted in an application system. Moreover, it can greatly improve maintain ability
after system ships.
(4)
A full range of development environment products
A development environment system that includes an optimized C compiler, debugger, in-circuit
emulator, simulator, system performance analyser, and other elements is also available.
Note:
PHOENIX-F is the European name of the V850E/PH2 microcontroller.
Содержание V850E/PH2
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Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO...
Страница 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO...
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