upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 23

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upd70f3422gj-gae-qs-ax

Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
Chapter 1 Introduction
1.1 General
(1)
(2)
Preliminary User’s Manual U17566EE1V2UM00
The V850E/Dx3 is a product line in NEC Electronics’ V850 family of single-chip
microcontrollers designed for automotive applications.
The V850E/Dx3 single-chip microcontroller devices make the performance
gains attainable with 32-bit RISC-based controllers available for embedded
control applications. The integrated V850 CPU offers easy pipeline handling
and programming, resulting in compact code size comparable to 16-bit CISC
CPUs.
The V850E/Dx3 provide an excellent combination of general purpose
peripheral functions, like serial communication interfaces (UARTs, Clocked
Serial Interfaces), timers, and measurement inputs (A/D Converter), with
dedicated CAN network support.
The devices offer specific power-saving modes to manage the power
consumption effectively under varying conditions.
Thus equipped, the V850E/Dx3 product line is ideally suited for automotive
applications, like dashboard or body. It is also an excellent choice for other
applications where a combination of sophisticated peripheral functions and
CAN network support is required.
V850E CPU
The V850E CPU core is a RISC processor. Through the use of basic
instructions that can be executed in one clock period combined with an
optimized pipeline architecture, it achieves marked improvements in instruction
execution speed.
In addition, to make it ideal for use in digital control applications, a 32-bit
hardware multiplier enables this CPU to support multiply instructions,
saturated multiply instructions, bit operation instructions, etc.
Through two-byte basic instructions and instructions compatible with high level
languages, the object code efficiency in a C compiler is increased, and
program size can be reduced.
Further, because the on-chip interrupt controller provides high-speed interrupt
response and processing, this device is well suited for high level real-time
control applications.
On-chip flash memory
The V850E/Dx3 microcontrollers have on-chip flash memory. It is possible to
program the controllers directly in the target environment where they are
mounted.
With this feature, system development time can be reduced and system
maintainability after shipping can be markedly improved.
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