Cpu Register Set - NEC V850ES/SA2 UPD703201 Manual

32-bit single-chip microcontrollers

Table of Contents

CPU Register Set

The registers of the V850ES/SA2 and V850ES/SA3 can be classified into two types: general-purpose program

registers and dedicated system registers. All the registers are 32 bits wide.

For details, refer to the V850ES Architecture User's Manual.

(1) Program register set

(Zero register)

(Assembler-reserved register)

(Stack pointer (SP))

(Global pointer (GP))

(Text pointer (TP))

(Element pointer (EP))

(Link pointer (LP))

(Program counter)

CHAPTER 3 CPU FUNCTION

Preliminary User's Manual U15905EJ1V0UD

(2) System register set

(Interrupt status saving register)

(NMI status saving register)

(Interrupt source register)

(Program status word)

(CALLT execution status saving register)

(Exception/debug trap status saving register)

(CALLT base pointer)