User’s Manual U13850EJ4V0UM
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CHAPTER 3 CPU FUNCTIONS
The CPU of the V850/SB1 and V850/SB2 is based on RISC architecture and executes most instructions in one
clock cycle by using a 5-stage pipeline.
3.1 Features
•
Minimum instruction execution time:
V850/SB1: 50 ns (@ 20 MHz internal operation)
V850/SB2: 79 ns (@ 12.58 MHz internal operation)
•
Address space: 16 MB linear
•
Thirty-two 32-bit general-purpose registers
•
Internal 32-bit architecture
•
Five-stage pipeline control
•
Multiplication/division instructions
•
Saturated operation instructions
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One-clock 32-bit shift instruction
•
Load/store instruction with long/short format
•
Four types of bit manipulation instructions
• SET1
• CLR1
• NOT1
• TST1