24
Chapter 1
Introduction
Preliminary User’s Manual U17566EE1V2UM00
(3)
A full range of software development tools
A development system is available that includes an optimized C compiler,
debugger, in-circuit emulator, simulator, system performance analyzer, and
other elements.
1.2 Features Summary
The following table provides a quick summary of the most outstanding
features.
Table 1-1
V850E/Dx3 features summary (1/4)
CPU
Core
V850E1
Number of instructions
81
Minimum instruction execution time
•
19.841 ns (@
φ
= 50.4 MHz) (µPD70F3424,
µPD70F3425, µPD70F3426, µPD70F3427)
•
39.683 ns (@
φ
= 25.2 MHz) (µPD70(F)3420,
µPD70(F)3421, µPD70(F)3422, µPD70F3423)
General registers
32 registers (32 bits each)
Instruction set
V850E (compatible with V850 plus additional powerful instructions for reducing code and increasing execution
speed)
Signed multiplication (16 bits
×
16 bits
→
32 bits or 32 bits
×
32 bits
→
64 bits): 1 to 2 clocks
Saturated operation instructions (with overflow/underflow detection)
32-bit shift instructions: 1 clock
Bit manipulation instructions
Load/store instructions with long/short format
Signed load instructions
Internal flash memory
Size
•
2 MB (µPD70F3426)
•
1 MB (µPD70F3427, µPD70F3425)
•
512 KB (µPD70F3424, µPD70F3423)
•
384 KB (µPD70F3422)
•
256 KB (µPD70F3421)
•
128KB (µPD70F3420)
Flash protection
•
N-Wire security function
•
external programmer security function
Secure self programming
Internal mask ROM memory
Size
•
384 KB (µPD703422)
•
256 KB (µPD703421)
•
128 KB (µPD703420)
electronic components distributor
