Cpu Register Set - NEC PD703114 User Manual

V850e/ia2 32-bit single-chip microcontrollers

Table of Contents

3.2 CPU Register Set

The registers of the V850E/IA2 can be classified into two categories: a general-purpose program register set and a

dedicated system register set. The width of all the registers is 32 bits.

For details, refer to V850E1 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

(2) System register set

User's Manual U15195EJ5V0UD

(Status saving register during interrupt)

(Status saving register during NMI)

(Interrupt source register)

(Program status word)

(Status saving register during CALLT execution)

(Status saving register during exception/debug trap)

(CALLT base pointer)